THE INSECT PEST SURVEY
Volume 16 June 1, 1936 Number 4
ENTOMOLOGY AND PLANT QUARANTINE
DEPARTMENT OF AGRICULTURE
THE STATE ENTOMOLOGICAL
INSECT PEST SURVEY B BULLETIN
Vol. 10 June 1, 1936 No. 4
THE MORE IMPORTANT ENTOMOLOGICAL RECORDS FOR MAY 1936
The periodical cicada began emerging shortly after the middle of May, with the peak of emergence in the Middle Atlantic States occurring during the last week of May. Reports indicate that this brood will reappear throughout the greater part of the territory infested.
Grasshoppers were reported as being extremely abundant in western, southwestern, and southern Iowa, and in parts of North Dakota, Nebraska, Oklahoma, Colorado, Utah, Wyoming, and California. Reports received too late to be included in the body of the bulletin indicate that young grasshoppers are more abundant in the vicinity of Manhattan, Kans., and in central Illinois than they have been for several years.
The Mormon cricket was appearing in outbreak numbers in several counties in Utah, eastern Nevada, Oregon, Montana, and Idaho.
Unusual numbers of cutworms were reported over a great part of the
country, from Virginia and Georgia westward through the East Central States to Utah. In Utah, the pale western cutworm had occasioned a loss of over 7,500 acres of wheat. An inusal situation developed in Mississippi, where the variegated cutworm from ditch banks and adjoining alfalfa fields migrated into cotton, seriously damaging the stand. This species is also occurring in abundance in western Kansas.
Cool weather protracted the period of wireworm injury in Washington, where considerable damage was done to truck crops.
Heavy losses to evergreen seed beds occasioned by white grubs were reported from Wisoonsin.
The common red spider emerged earlier than usual in the apple-growing sections of Washington, becoming so abundant as to require treatment.
Chinch bug infestation in the East Central States is very spotted. In some localities populations are heavy enough to produce considerable damage.
The spring brood of hessian fly was quite numerous in Indiana and
Illinois. Considerable damage is reported from the western and southwestern parts of the latter State.
An unusually heavy infestation of corn ear worm in tomatoes was reported from Mississippi. Damage to corn silk was reported from California.
Sod webworms were very abundant in parts of Iowa and Missouri. Many cornfields were so badly infested as to require replanting.
Rather serious outbreaks of the sugarcane beetle were reported from limited areas in Tennessee and Mississippi.
Codling moth emergence reached its peak in Virginia, southern Illinois, and Indiana by May 10. In Delaware, Pennsylvania, northern Indiana, and northern Illinois the peak of emergence was reached about the middle of the month. In Ohio and Missouri the peak was apparently somewhat later. In the Pacific Northwest emergence began on May 4k and was heavy during the period May 10-13.
Eastern tent caterpillar was reported quite generally from the southern New Enoland and Middle Atlantic States westward to Tennessee.
Various fruit aphids were generally prevalent in the Ne,,w England and Middle Atlantic States.
The peak of first-brood plum curculie larvae emerging from peach drops occurred in Georgia on May 4, 6 days later than last year. In the Fort Valley section the infestation was moderate. In Indiana, Illinois, and Missouri infestations were heavier than last year. The insect was also reported from Tennessee, Mississippi, and Minnesota.
Rather severe damage to pecans by the nut case bearer was reported from Mississippi and Louisiana.
The six-spotted mite has been more injurious to grapefruit in Florida than for many years. In some groves 50 percent of the leaves dropped.
Flea beetle injury to truck gardens was qu ite generally reported from the Middle Atlantic, East Central, and Mississippi Valley States. Severe injury by flea beetles was also reported from San Francisco Bay region of Cal1 i f o r ni ia.
The spotted cucumber beetle was observed attacking a variety of truck crops in the South Atlantic and lower Mississippi Valley States. Fields of watermelons and corn were being completely destroyed in parts of Mississippi and Texas.
Mexican bean beetles appear to be quite scarce from Virginia northward, possibly owing to the severe winter experienced in this part of the country. Beetles were starting to emerge in Georgia during the firstwekithmoh but were still quite scarce in that State up to the third week.
The beet leafhopper was reported as having passed the winter
successfully at Billings, M.ont.
Boll weevil populations were generally reported as light throughout
the Cotton Belt, with the exception of Texas, in which State there were more
boll weevils than at this time of year during the past 3 years.
The first specimens of the cotton leaf worm were seen on May 5 near Port Tobacco, Tex.
Canker worms attacking both forest and shade trees, and occasionally apples,were very abu.rdant throughout the iTew England, Miiddle Atlantic, and eastern part of the East Central States.
Forest tent caterpillars were generally abundant throughout New
England southward to New! Jersey. Heavy infestation is also reported from
Minnesota and Lanother from Mississippi and Louisiana. Considerable feeding by tent caterpillars is also reported from Utah end Washington.
Three cases of Rocky Mountain spotted fever have been reported from Maryland, in the vicinity of the District of Columbia.
During the month large numbers of irfestatiins of household properties by termites were reported from tne Uc w England, Middle Atlantic, and East Central States westward to Nebraska and Oklahcma.
oe wish to take this opportunity to thank the collaborators for collecting June beetles for P. Luginbill. Further collections will be
appreciated and if collections could be made weekly they would be more valuable.--J. A. Hyslop.
G E N E R AL F E E D E R S
Wisconsin. E. L. Chambers (May 20): Melano-us mexi!anus Sauss. was
observed hatching in quite large numbers in spots located in light sand
areas of northern Wisconsin, where there has been little or no rain
Iowa. C. J. Drake (May 20): Grasshoppers are extremely abundant in western,
southwestern, and southern Iowa. They are probably more abundant than they have been at any time during the past 20 years. The heaviest infestation is along the Missouri River and in the southwestern corner of
the State. On Muscatine Island, in the Mississippi River, the hoppers
have completely wiped out a number of truck patches. Fairly heavy infestations have been reported at Ottumwa and Waterloo.
Missouri. L. Haseman (May 23): Grasshopper young appearing in swarms on dry
ground. Apparently most of them are the common Carolina locust
(Schistocerca americana Drury), although we have not closely checked
nymphs for specific determination.
North Dakota. F. 07. Butcher (May 19): Recent field observations indicate
that grasshopper infestations correspond closely to earlier forecasts.
Some eggs are reported hatching in the southern counties. Predators
have been responsible for the destruction of a small percentage of eggs,
but otherwise practically all of the eggs are viable.
Nebraska. 0. S. Bae (May 19): Hatching of eggs is proceeding at a rapid
rate and the young hoppers are appearing in great numbers along roadsides, pasture edges, ditch, cut banks, and sod fence rows.
M. H. Swenk (May 20): On April 23 an inquiry was received from
Webster County regarding the control of grasshoppers.
Oklahoma. C. F. Stiles and F. A. Fenton (May 25): Grasshoppers have been
reported as very numerous in pastures in northern Oklahoma. They are moving to alfalfa and row crops. (May 26): We visited Osage County
and found four species of grasshoppers very numerous. Alfalfa is being
severely damaged. M. femur-rubrum DeG. is the predominant species and
M. difforentialis Thos. is quite abundant.
Colorado. G. M. List (May 22): Eggs have hatched well, and if the weather
is favorable the infestation will be rather heavy for the egg population
observed last fall, Poisoning is now under way in several counties.
Utah. C. J. Sorenson (May 20): Grasshoppers have been hatching during the
past 2 weeks at Kanosh and are very abundant.
G. F. Knowlton (May 11): Grasshopper nymphs are causing moderate
damage to dewberries at Orem, in Utah County, and to wheat near Lehi.
Second- and third-instar nymphs are moderately abundant on the
foothills 6 miles west of Lehi. They are less abundant in most agricultural sections of northern Utah County. (May 19): Grasshopper nymphs are abundant in parts of the L- *-Ceda- Valley area and some
injury to wheat and garden crops has >wn observed. Injury to dewberry
foliage was observed at Granite and Pleasant Grove.
California. S. Lockwood (May 23): Undetermined species of grasshoppers are
now causing damage in Butte, Sacramento, San Joaquin, and Solano Counties.
MORMON CRICKET (Anabrus simplex Hald.)
Utah. C. J. Sorenson (May 20): Mormon cricket outbreaks of third to sixth
instars, have been noted as follows: Oak Creek mountains end range,
east of Oak City, north of Holden, west of Scipio, also ih a few fields
near Oak City, Millard County; foothills, canyon, and nearby dry-farm
fields southeast of Nephi, Juab County; foothills and adjoining dry-farm
alfalfa and wheat fields northwest of Fountain Green, Sanpete County;
Settlement Canyon and nearby fields southeast of Toocle, Tooele County.
Virginia. W. S. Hough (May 19): Climbing cutworms are very abundant in a
number of orchards and have caused much damage to young apple trees by completely defoliating them. On bearing trees defoliation has not been
complete but considerable damage has resulted from the outbreak. In several orchards cotton bands have been used successfully to keep the
larvae from climbing the trees and in some instances poisoned-bran mash
has been used in addition to banding the trees.
Georgia. 0. I. Snapp (April 29): Cutworms are more abundant than usual at
Fort Valley, especially in vegetable and flower gardens. They have cut down many little peach trees in our nursery. Precipitation during the
spring has been considerably heavier than usuel.
Ohio. T. H. Parks (May 25): Some cutworm injury is reported to corn in
central Ohio though the damage is not severe. Late plowing of corn land
prevented the farmers from fighting this pest in the usual way and
enabled more of the worms to survive.
Indiana. J. J. Davis (May 23): Cutworms (ELxoa sp.) were reported on May 15
to be attacking apple at Bristol to the extent of at least $1,000 damage.
The bronzedcutworm (Nephelodes emmedonia Cram.) was reported from
Aurora on May 19 as damaging bluegrass but not attacking any adjoining
Michigan. R. Hutson (May 9): Cutworms have been reported as being particular
numerous at Big Rapids, South Haven, and Sodus. Adults of Agrotis c-nigrur
L. have been very numerous at windows here in East Lansing. (May 20):
Climbing cutworms are extremely abundant throughout the fruit district.
Reports of extensive damage have been received from Hartford, Albion,
Stockbridge, Charlotte, Grand Rapids, South Haven, Northville, St.
Joseph, and Paw Paw. Additional infestations have been found at Hastings,
Odessa, Mentha, Petoskey, and Lake City.
Wisconsin. E. L. Chambers (May 20): Cutworms are being reported quite
generally throughout the northern part of the State as injuring garden
Minnesota. A. G. Rugglcs (May 22): Cutworms are moderately abundant.
Iowa. C. J. Drake (May 20): Cutworms have been doing a considerable amount
of damage in garden truck areas near Des Moines.
Missouri. L. Haseman (May 23): Cutworms have been abundant during the month
but seem less developed than usual for the season and few farmQrs have complained of them. They have injured corn and cotton next to fields
of alfalfa recently cut in southeastern Missouri.
Nebraska. M. H. Swenk (May 20): From Garfield and Frontier Counties came
inquiries on May 2 and 14, respectively, as to the control of cutworms
0. S. Bare (May 19): Very little trouble has been reported from
cutworms, but moths of the variegated cutworm (Lycophotia margaritosa
saucia Hbn.) have been very plentiful.
Kansas. H. R. Bryson (May T4): The pale western cutworm (Porosagrotis
orthogonia Morr.) is very abundant in many fields in Rawlins County as
reuortod by E. G. Kelly, D. A. Wilbur, and H. H. Walkden. Twenty
thousand acres badly injured in Rawlins County. Near Atwood several fields showed that 75 percent of the plants were destroyed. As many
as 20 to 50 larvae per square yard were found. The county agent of
Meade County reported local infestations in that county. It was also
reported from Ellis, Cheyenne, Rush, Barton, and Logan Counties.
Chorizafrotis auxiliaris Grote is plentiful in gardens in Rawlins
County. Further reports of damage were received from Lincoln, Cheyenne,
Riley, and Kearny Counties.
Mississippi. C. Lyle (May 23): The variegated cutworm (L. m rrgaritosa
saucia) has been unusually destructive in the Yazoo-Mississippi Delta for several weeks, especially in fields where winter cover crops were
plowed under. This is undoubtedly the worst outbreak in several years.
Cotton has suffered the heaviest damage, but fields of alfalfa have also been injured. Many complaints have been received from various
sections of the Delta. On May 9 Agrotis ypsilon Rott. was found associated with the variegated cutworm on alfalfa and cotton at Greenwood,
but in much fewer numbers.
Texas. K. P. Ewing & R. L. McGarr (May 1): Very little damage to cotton
this year by cutworms in the vicinity of Port Lavaca has been reported,
in contrast to widespread damage last year.
Utah. G. F. Knowlton (LiMy 19): Cutworms have caused moderate injuy t,0
newly set tomato plants in vurioi: pr ts', of north.rij Utah.
C. J. Sorenson (May 20): The pale western cutworm (Porosagrotis
orthogonia Morr.) is abundant in Cedar Valley and vicinity in Utah County. Loss is estimated at 7,500 acres of fall-planted dry-farm
wheat. The pest is also found in a few fields of irrigated wheat
on M1apleton Bench and near Lehi, Utah County, and at Bluffdale,
Salt Lake County. On Levan Ridge, Juab County, approximately 500 acres of fall-planted dry-farm wheat had been destroyed by May 15.
ARMYWORM (Cirphis unipuncta Haw.)
Virginia. H. G. Walker (May 25): Near Norfolk armyworms are very abundant
in some small grain and alfalfa fields where they are migrating to
other fields, being especially injurious to young corn.
Illinois. W. P. Flint (May 1S): Light trap records at Urbana show a considerable flight of armyworms starting about the 19th of April and
continuing in greater or lesser numbers, according to the temperature.
Moths were flying in large numbers on the nights of May 8 to 12,
SEED CORN MAGGOT (Hylemyia cilicrura Rend.)
New York. L. E. Curtis (May 18): Seed corn maggot injury was observed on
young onions grown from seed on muck near Savannah in Wayne County.
The larvae werc found working in the young developing bulb of the onion.
Iowa. C. J. Drake (May 20): The seed corn maggot is doing considerable
damage here and there in the southern half of the State. Heavy infestations have been reported near Leon.
Missouri. L. Haseman (May 23): Seed corn maggots are doing their usual damage
in wet, cold soil in northern Missouri.
South Carolina. F. F. Bondy and C. F. Rainwater (May 2): A few wireworm
larvae have boon found feeding on cotton roots at Florence. Numerous adults were on a tanglefoot screen 2 days after it was put up in the
center of a cotton field that was planted to corn last year.
Georgia. T. L. Bissell (May 21): Wireworms are rather abundant, attacking
small corn and cotton at Experiment. Injury to the latter seems
unimportant. A pupa, species unknown, was observed in soil yesterday.
Mississippi. D. W. Grimes (May 22): Wireworms are causing damage to corn and
popcorn at Durant.
Missouri. L. Haseman (May 23): Only the usual number of complaints of wireworms.
Utah. G. F. Knowlton (May 19): Wireworms were moderately abundant in several
wheat fields examined in the area northwest of Lehi.
Vashington. H. P. Lanchcster (May): Injury by Limonius caxus Lec. and L.
californicus Mann. to lettuce and spring-planted and transplanted onions has been general at Walla Walla. The continuance of cool'nights has extcnded the period of intensive injury until some fields of these crops
have been entirely destroyed, while most fields show considerable damage.
The plantings of cabbage and corn are not so extensive, nevertheless the injury has been vory serious. Some damage has also been noted in newly
planted asparagus fields. The various species appeared more nearly at
the same time than in the past several yearsnand the period of their
flight has been short, being practically over for this season.
K. E. Gibson (May): Plantings of sugar beets at Presser were
destroyed by wireworm (L. canus and L. californicus) feeding, while
spring-planted wheat was severely damaged.
California. R. E. Campbell (May 1): Populations of L. californicus in many
Orange County fields are much increased over last year, ranging in numerous counts from 3 to 75 per 10 feet of bait row (rows 2-} feet
apart), and averaging 23. Last year's average at this time was 9. This
increase was anticipated, owing to the large adult population last spring.
WHITE GRUBS (Phyllophaga spp.)
Vermont. H. L. Bailey (May 25): May beetles have been scarce up to this date,
but are more plentiful than last year. The first specimen was noted on
May 5.Delaware. D. MacCreary (May 17): The first large flight was observed on this
date at Newark.
Maryland. E. P. Felt (May 23): June beetles, probably P. fusca Froel.,
are reported as very abundant and injurious on large oaks at Monkton.
Georgia. T. L. Bissell (May 5): May beetles are unusually.abundant at Griffin,
feeding on loaves of oak, particularly red oak.
Kentucky. W. A. Price (May 26): May beetles have been very abundant in the
bluegrass district of Kentucky. Many pin oaks and bur oaks have been
defoliated. Elm, walnut, hackborryand willow have also been attacked.
Common species are P. hirticula Knoch, P. futilis Lec., P. tristis Fab., P. invcrsa Horn, P. fusca Froel., P. bipartita Horn, and P, horni Smith.
Wisconsin. E. L. Chambers (May 20): Heavy flights have been observed in
Dane, Sauk, Portage, La Crosse, and Monroe Counties. All stages of white
grubs are abundant in some of the northern nurseries in spots, and where
no treatment was followed heavy losses have resulted to evergreen seed
C. L. Fluke (May 20): A heavy flight of P. tristis.Fab. began
about the first week in May throughout southern and western counties, especially Jeffdrson, Lafayette, Iowa, Dane, Trempealeau, and Pepin.
Minnesota. A. G. Ruggles (May): W. G. Werner reports white grubs as very
abundant in a lawn infestation at Kasson, in Dodge County.
Mississippi. C. Lyle and assistants (May 23): Injury to the foliage and
buds of pecan trees has been observed in several sections of the State,
especially near Grenada, Jackson, and Brookhaven.
Louisiana. W. C. Pierce (May 15): It has been difficult to collect specimens
of Phyllophaga feeding on new growth of pecan trees in the vicinity of
Shreveport since the first adult appearance on the night of March 24.
Heavy infestations of the beetles are known to occur around the towns of De Ridder, Elizabeth, and Trout. In the De Ridder vicinity damage
to pecans is confusing, owing to the combined attack of May beetles, the leaf case bearer (Acrobasis juglandis LeB.), and a lepidopterous
larva of undetermined species. Most damage occurred to yard trees and
outside rows of commercial plantings. Very few pecan trees were noticed around Trout, and these showed practically no injury. The beetles seem
to prefer feeding on sweetgum and oak trees, which were almost defoliated.
Conditions are about the same around all of these points of outbreak.
The towns are located in cut-over pine land sections, with very little of-tho land in cultivation. The outbreak at Trout is widely separated
from those at Elizabeth and De Ridder.
JAPANESE BEETLE (Popillia japonica New..)
United States. C. H. Hadley (April): In the monthly report for March 1936
a preliminary statement was made on larval mortality due to the cold weather in January and February. Additional surveys to determine the
kill were made during the first 10 days of April. Findings in these
bear out the previous statement that mortalities have been high in some
areas in New Jersey, south of the latitude of Trenton, in the southeastern
corner of Pennsylvania, in northern Delaware, and in northeastern Maryland. In much of this area mortalities above 50 percent are indicated.
In areas where there was a heavy snow cover on the ground, as was the
case in the northern half of New Jersey and in Pennsylvania, north and
west of Philadelphia, mortalities are small, usually less than 5 percent.
ASIATIC GARDEN BEETLE (Autoserica castanea Arrow)
Pennsylvania and New Jersey. L. B. Parker (April): Numerous and well-distributed diggings in areas previously heavily infested with these grubs
indicate that the larval population is noticeably decreased this year.
This fluctuation has been observed before as a local condition, but it seems to be prevalent throughout the Philadelphia area. Less extensive
diggings point to a similar condition in Union County in northern New
ASIATIC BEETLE (Anonala orientalis Waterh.)
Connecticut. W. E. Britton (May 22): Larvae have been identified from many
lawns in New Haven and West Haven, thus considerably extending the areas
infested by this insect.
ROSE CHAFER (Macrodactylus subspinosus Fab.)
New York. C. H. Hadley (May 1): Our attention was recently called to
severe injury to several estates in the vicinity of Southampton, Long
Island. The situation was investigated by Dr. J. L. King, of this
station. Considerable injury to the turf was evident and examination showed that the injury was caused by larvae of the common rose chafer.
Larval populations running in places as high as from 6 to 12 grubs per
square foot were found.
Tennessee. G. M. Bentley (May 12): A very heavy infestation of the rose
chafer occurred in an orchard at Fayetteville. There was a heavy infestation in the orchard last year. We have never had such a heavy outbreak
of this insect before.
COMMON RED SPIDER (Tetranychus telarius L.)
Kentucky. W. A. Price (May 2k): Red spider is very common in the bluegrass
Mississippi. C. Lyle (May 23): Red spiders are fairly abundant on arborvitae
in southwestern Mississippi, according to Inspector N. D. Peets of Brookhaven. At this time they are also heavily infesting violets and junipers at State College, while correspondents report them on oak trees at New Albany, on Cedrus deodara at Ackerman, and on spinach at Lexington.
Arizona. C. D. Lebert (May 15): Considerable injury this season to arborvitae,
Italian cypress, and other evergreens in the Phoenix area. Several arborvitae and Italian cypresses have been killed and many severely injured.
Utah. G. F. Knowlton (May 6): Reports have been received that red spiders
are beginning to injure raspberry foliage in parts of Utah and Box Elder
Washington. E. J. Newcomer (May 19): This red spider emerged rather early
on account of a period of unusually warn weather from April 12 to 22,
and it has been very abundant in apple trees.
CEREAL AND FORA GE-CROP INSECTS
CHINCH BUG (Blissus leucopterus Say)
Indiana. C. IA. Packard (May 19): Chinch bugs were scarce(from none to 2
per foot of drill row) in g out of 10 fields of young wheat and rye
examined today in Tippecanoe County. In the other 2 fields spots near
favorable hibernation quarters contained from 6 to 20 adult bugs per
foot of drill row. A few eggs are now present but apparently none have
hatched. No old bugs could be found in their hibernation quarters.
Illinois. W. P. Flint (May 1): A check-up on chinch bug conditions made
during the last 2 weeks shows a very spotted infestation over the southwestern, central, and northwestern parts of the State. Adult
bugs were still flying in numbers during the week of May 10. Mating
was general in the fields but no eggs had been found. A 400-mile
check on wheat fields in the central part of the State, made on May 14-15, showed that approximately 25 percent of the wheat fields had sufficient bugs to cause moderate to heavy damage to adjoining corn,
should the next 6 weeks be dry.
C. Benton (May 11-18): In the vicinity of Sterling gradual
migration of the overwintered chinch bugs occurred during favorable
periods throughout the week. Barley showed rather light but general
infestations. Counts in several wheat, rye, and barley fields showed an average of one bug per foot of drill row. The heaviest infestation
encountered was in a pastured rye field in which the counts averaged 6 bugs per foot of drill row. MIating is in progress, but no eggs or
young have been found to date.
Iowa. C. J. Drake (May 20): The chinch bug situation is more encouraging
than it has been for 3 years. Winter mortality ranged from 45 to 85
percent in some of the most heavily infected counties. The cool weather
and late spring have greatly delayed spring migration to small-grain
fields, and this has given the small grain a good start, so that it will
be able to withstand a light to moderately heavy infestation. Surveys
indicate that chinch bugs are most abundant in the southwestern and southcentral counties and it is possible that moderate damage may occur here and there in these areas. In the extreme eastern endsoutheastern parts of the State winter mortality was so high that severe damage seems improbable; however, a number of scattered fields in this area contain
a moderate number of bugs and there may be light commercial damage in
Missouri. L. Haseman (May 23): Chinch bugs are most abundant in a strip
three or four counties wide extending across the State in a northeasterly
direction from southwestern Missouri. Young were hatching on May 15 in west-central Missouri and a week earlier eggs were abundant at Columbia.
Some fields are as severely infested with old bugs this year as in 1934.
Nebraska. M. H. Swenk (May 20): Chinch bugs were fairly abundant in barley
fields in Noneha and Richardson Counties during the week of May 11 to
0. S. Bare (May 19): During the past week chinch bugs have appeared
in considerable numbers in barley fields of Nemaha and Pawnee Counties.
Kansas. H. R. Bryson (May 19): Some counties in the southeastern corner of
the State have an abundance of chinch bugs. Coffey, Bourbon, and Wilson
Counties will no doubt need barriers at harvest time. Serious injury
may result in some counties.
Mississippi. C. Lyle and assistants (May 23): Young corn is suffering severe
injury by chinch bugs at Bay Springs, where many plants were reported to
be falling over on April 30. This is also the case in Leflore County.
Bu:fs were light on oats at Morgan.
Texas. K. P. Ewing & R. L. McGrr (May 1): In April many acres of corn were
destroyed in Calhoun County by chinch bugs, together with southern corn
root worm (Diabrotica uodecimpunctata Fab.)
HESSIAN FLY (Phytopha destructor Say)
Indiana. W. B. Noble (May 1): Observations in 16 wheat fields in Knox
and Gibson Counties showed from 4 to 75 percent of the stems infested
with lnrvae ran:-;ing in size from small to half grown, and a few eggs still being laid. (May 19): Counts were made in 10 whettt fields in
Tippecanoe County on May 19. Stem infestations ranged from 2 to 74 percent, with an average of 37 percent. Fly forms ranged from small
larvae to puparia.
Illinois. 1. P. Flint (May 19): The spring brood of the hessian fly has
been abundant and destructive in the western and southwestern parts of
the State. In the central and eastern parts of the State very little damage has occurred, either from last fall's brood or from the spring brood.
Missouri. L. Haseman (May 23): The spring brood did not get by the severe
weather apparently, as fields showing 90 percent of plants infested last fall with up to 60 flaxseeds per plant are now only moderately
infested by the spring brood, with an average of about 1 flaxseed
per culm, and not showing the expected severe damage. At the time of
the emergence of the spring brood of flies in April the cold late spring
had most to do with preventing oviposition and hatching.
Kansas. H. R. Bryson (May 25): According to observations made by E. G.
Kelly, the infestation is not so heavy this spring in Coffey County as
was anticipated last fall. The county agent of Lincoln County reported finding a number of infested plants at Barnard. Heavy infestations were
also reported in Bourbon and surrounding counties.
CORN EAR WORM (Heliothis obsoleta Fab.)
New Jersey. T. J. Headlee (May 21): Thirty-six square yards of soil 14 inches
deep were examined for pupae in April. Sweet-corn fields heavily infested
in 1935 were examined and samples were taken from the southern, central, and northern parts of the State. No live pupae were found in any of the
samples, whereas in October 1935 similar soil samples contained an
average of approximately one pupa per square yard.
Georgia. T. L. Bissell (May 18): Half-grown caterpillars have been found
at Experiment on various plants, including rose blossoms and bean
Mississippi. C. Lyle and assistants (May 23): Unusually heavy infestations
on tomatoes have been reported in Rankin, Stone, Jackson, Harrison,
Pearl River, and Hancock Counties.
Texas. R. W. Moreland (April): During April five species of plants were
examined for eggs of H. obsoleta,witbhresults as follows: Alfalfa, .9ex a mun esg 1 ,2 80
4,800 plants and 58 eggs; blue-bonnets. inus sbcarno 1,
plants and 30 eggs; blue-bonnets (L. xons i), 1,200 plants; corn,
500 plants; and false indigo, 200 plants without any eggs being found.
California. R. E. Campbell (May 1): Sweet corn co:iing into the local
markets from the Coachella Valley already shows considerable damage.
M. W. Stone (May 19): Adults were collected and eggs found on
corn and tomatoes near Santa Ana (Peters Canyon) on 1ay C. Considerable
injury to silks was noted. Eggs collected on tomato neo r Cos a Mesa and San Juan Capistrano on May 12 hatched in the insectry on ,!ay 10.
First- and second-instar larvae were also observed feedi-- on tomato
foliage at Costa Mesa on May 12.
LESSER CORNSTALK BORER (Elasmovalpus lignosellus Zell.)
Florida. J. R. Watson (May 21): Ma&ny complaints are coming in of injury to
cowpeas, corn, and, especially, beans.
SOD WEBWORMS (Crambus spp.)
Iowa. C. J. Drake (May 20): Sod webworms are unusually abundant in Iowa
this year. Corn planted on newly broken timothy and bluegrass sod is suffering damage from webworms, particularly in the southern part of
the State. Near Lamoni and Bloomfield a few cornfields have been
almost totally destroyed.
Missouri. L. Haseman (May 23): Sod webworms have been more abundant this
spring than usual and many farmers have been obliged to replant
corn because of their damage. Most of them are small and not so advanced
as usual for the season.
EUROPEAN CORN BORER (Pyrausta nubilalis Hbn.)
Connecticut. N. Turner (May 23): Moths began emerging on May 20 at Mount
Carmel. This is much earlier than usual.
CORN BILLBUGS (Calendra spp.)
Iowa. C. J. Drake (May 20): About three species of corn billbugs have been
reported from southern and northern iowa. NeaLr Algona a 40-acre cornfield was totally wiped out by them.
Kansas. H. R. Bryson (May 21): The maize billbug (C. maidis Chitt.) was reported as quite numerous in the valley of the Neosho River, but not so
abundant in Wilson County along the. Verdigris River. Some reports of
injury to young corn plants by the adults have been received.
Oklahoma. C. F. Stiles (May 21): The maize billbug has been damaging corn
in the lowlands of northeastern Oklahoma.
SUGARCANE BEETLE (Euetheola rugiceps Lee.)
Tennessee. G.M. Bentley (May 25): The rough-headed cornstalk beetle is reported as doing considerable damage to young corn in the community of
Rogersville, Hawkins County. It has also been reported in Bledsoe
County in the vicinity of Pikeville. Every few years we have a serious
outbreak of this beetle and, by its starting early, we anticipate
considerable damage this year.
Mississippi. C. Lyle and assistants (May 23): The sugarcane beetle has been
found at Durant around corn and has been reported from other points in
the Durant district, while complaints of serious damage to corn have been
received during the past month from Cruger, Oakland, Kosciusko, and
Hermanville. On May 22 the county agent at Calhoun City reported many
complaints concerning this pest.
CORN FLEA BEETLE (Chaetocnema pulicaria Melsh.)
Virginia. H. G. Walker (May 25): Very abundant in many cornfields around
Norfolk and on the Eastern Shore of Virginia.
ALFALFA AND CLOVER
ALFALFA WEEVIL (Hypera postica Gyll.)
California. A. E. Michelbacher (May 21): Larvae of the alfalfa weevil are
becoming rather scarce throughout its entire range in middle lowland
California. Serious injury occurred in only one field in the Patterson
area of the San Joaquin Valley. After the cutting of the first crop,
alfalfa started immediate growth over one-half of the field and now it
is being cut for the second time. Over tha other half of the field
newly emerged adults apparently fed so heavily on the crowns that the
alfalfa is only a few inches tall. The larvae are heavily parasitized
by Bath.3rlectes curculionis Thos., the parasitization in many placce
being 99 percent or more.
Utah. C. J. Sorenson (May 20): The alfalfa weevil is moderately abundant
and noticeable damage is in evidence in Millard County.
Colorado. G. M. List (May 22): Adults are numerous in the alfalfa fields at
Grand Junction. On May 9 sufficient eggs and small larvae were present
to indicate rather severe injury to the first crop.
CLOVER LEAF WEEVIL (Hypera punctata Fab.)
Indiana. J. J. Davis (May 23): The clover leaf weevil was damaging clover at
Winchester on May 19. Clover injury was reported from Noblesville on
May 7 and, although the report was not accompanied by specimens, the leaf
weevil was probably responsible.
Iowa. H. E. Jaques (May): The clover leaf weevil has been reported from
the following counties: Osceola, Mills, Monroe, Wapello, Davis, Henry,
CLOVER ROOT BORER (Hylastinus obscurus Marsham)
Oregon. D. C. Mote (April): Adults of the clover root borer were reported
at Hubbard, the infestation amounting to 30 percent in one field of
Austrian winter field peas adjacent to a 3-year-old field of red clover.
PEA APHID (Illinoia pisi Kalt.)
Wisconsin. C. L. Fluke (May 20): The pea aphid is plentiful on alfalfa in
Dane County. Natural enemies such as syrphid flies, ladybeetles, and
parasites are also quite active.
Washington and Oregon. L. P. Rockwood (April 21): Low populations, rarely
exceeding 200 per 100 sweeps, were found in irrigated fields in Washington near Maryhill, Toppenish, Satus, Mabton, Touchet, and Walla Walla,
and near Milton-Freewater, Blue Mountain, Stanfield, Hermiston, Umatilla,
Irrigon, Arlington, and The Dalles in Oregon. In one irrigated field
near Echo, Oreg., with a southern exposure and protected by hills from the cold winter winds, I. pisi averaged 1,300 per 100 sweeps. Unirrigated fields near Maryhill, Wash., Weston and The Dalles, Oreg., yielded
from none to 5 per 100 sweeps, and most of those swept were immigrant alates. Coccinellid beetles, especially Hippodania convergens Guer.,
were very abundant (10-6S per 100 sweeps), except in the Yakima Valley
where the season appeared later than elsewhere. Full-grown larvae of
H. convcrgons and of the syrphid Lasiophthicus pyrastri L. were collected
at Echo, Oreg.
Oregon. L. P. Rockwood and M. M. Reeher (May 16): Aphid populations remained
at practically the same low levels as in March on fell-sowun annual
legumes in Washington and Clackamas Counties until April ]0 during cool
weather. After that date, they multiplied rapidly, 'pecially on
Austrian field peas, during a 10-day period of abnor 1l warm weather
without precipitation. This was also a period of re '~- ly fast growth of all crops. By May 6 the populations in some fielo were 100 times as great as they had been on April 10, attaining 3,000 er 100 .weeps in one
field. During the first week of May, during a period of moderate but
daily precipitation following a similar period in the last week of April,
the entomogenous fungus Entom:nophthora a hidir attained epidemic proportions among aphids in early fall-sown fields. As a result, the aphid
populations were reduced 38 percent in some fields.
Maryland. E. N. Cory (May 25): A severe outbreak< of spittlebugs is occurring
in Cecil, Harford, 3altimore, and Kent Counties on clover, alfalfa, and
weeds. Farmers have been advised to mow hay at once.
Delaware. L. A. Stearns (May 14): A spittlebug, probably Philaenus leucophthalmusL., is abundant in nymphal stages on clover and alfalfa at Odessa
and Middletown. Several varieties are present.
Oregon. D. C. Mote (May): P. leucophthalmus was hatching in considerable
numbers on April 25 in the W7illamette Valley. The first adult was observed
on May 19. Reported by W7. D. Edwards.
COWPEA CTJCULI (Chalcodermus aeneus Boh.)
Georgia. T. L. Bissell (May 21): Weevils have been found on volunteer
covmeas at Experiment since May 5. They are feeding somewhat on
leaves and stems.
MADOW PLANT BUG (Miris dolabratus L.)
Kentucky. W. A. Price (May 26): The. meadow plant bug is abundant on
bluegrass in Fayette, Scott, Woodford, Bourbon, and Clark Counties.
FALSE CHINCH BUG (Nysius ericae Schill.)
North Dakota. J. A. Munro (May 27): The wingless nymphs are present in
countless numbers in a 40- to 50-acre field of flax 7 miles west of
Lisbon, Ransom County. The owner of the field states that a week ago the rows of flax were showing over the entire field. Yesterday when
we saw the field it was completely bare except for a few low spots.
The field had been in grass and weeds for the last 10 years and was plowed just prior to seeding flax this spring. A grassland pasture
adjoining the field is also overrun by the bugs.
NET YORK VEEVIL (Ithycerus noveboracensis Forst.)
Connecticut. M. P. Zappe (May 23): Adults rather abundant on peach twigs
near Cheshire, where they are gnawing into the bases of new shoots.
North Carolina. C. H. Brannon (May 20): New York weevil attacking apple
trees in a large orchard in Alexander County.
FLOWER THRIPS (Frankliniella tritici Fitch)
Delaware. P. L. Rice (oIiy 7): This thrips, which appeared in abundance on
young fruit and leaves of apple shortly after petal fall in 1935, was
found in a number of orchards in Kent and Sussex Counties early in May.
Infestations were very light, as compared with those of 1935.
Michigan. R. Hutson (May 20): F. tritici is abundant beneath the shucks
and on the leaves of poach trees in the vicinity of Sodus, in Berrien
EUROPEAN FRUIT LEOANTIU1 (Lecanium. corni Bouche)
Michigan. R. Hutson (May 20): Adults of the European fruit lecanium are
very abundant in the vicinity of LansiK;.
Oklahoma. F. A. Fenton (May 23): The European fruit lccani-Ua continues to
be the outstanding insect pest of the State. It is found principally
on elms, but is also recorded as occurring on Osage orange and soft
maple. The pest is still in the egg stage.
CODLING MOTH (Carpocapsa pomonolla L.)
New York. N. Y. State Coll. Agr. News Letter (May 25): The first codling
moths of the season were collected in bait traps on the night of May 22 in the Hudson River Valley. On this night 25 moths were caught in 52 traps in orchards in the vicinity of Poughkeepsie. Night temperatures during the month indicate thtrt this was the first moth-flight period of the season. Of a few specimens examined on May 22 it was determined that less than 30 percent of the overwintered larvae had
Pennsylvania. H. E. Hodgkiss (May 27): The first peak of emergence occurred
between May 15 and 18 in Cumberland and York Counties. In Union County
in the north-central area the first peak was on May 17 and 18, and a second large emergence started on May 22. Flight records were taken
from bait pails.
Delaware. L. A. Stearns (May 23): Emergence of the spring brood is 75
percent complete; first brood larvae hatched May 17; development earlier
Maryland. E. N. Cory (May 12): Firct emergence of the codling moth on
Eastern Shore, May 7; western Maryland, iy 9; and emergence from cages
Virginia. W. J. Schoene (May 26): The emergence of the codling moth reached
a definite peak on May 9 at Crozet. The emergence of unusually large numbers of adults within a short period was evidently due to the very
Ohio. T. H. Parks (Maj 25): Moth emergence in Lawrence County began Mny 9;
at Columbus and Wooster, May 17; and in the lakeshore counties on May 18. It is unusual for emergence along the lake to so closely parallel
that in central Ohio. First cover sprays have been recommended for
all sections based on this emergence and the daily evening temperatures.
Bait paxs at Columbus have caught fairly large numbers of moths nightly
since May 21. The first larval entrances were observed in Lawrence
County on May 20.
Indiana. L., F. Steiner (May 7): The first moth appeared in traps at Bicknell
on May 4. The daily catch has increased slowly until 90 were captured
today in 33.S baited trees. (May 21): Spring-brood emergence began April 30 at Elberfeld. Bait-trap catches at Vincennes and Bicknell reached their peaks on May 16 and 17. Small numbers of larvae were
hatch ng by May 14.
J. J. Davis (May 23): Codling moths are emerging in noticeable
numbers in some localities. G. E. Marshall found the first adults at
Orleans on M1ay 4. The peak of emergence for southern Indiana was
from May 9 to 14. Bait traps are located at the following points in
the northern half of Indiana, and the dotes of first codling moth
catches are: La Fayette, May 16; Denver, May 16; Saint Joe, May 16;
La Porte, May 20; Bristol, none to date.
Illinois. W. P. Flint (May 1): There was a heavy emergence of adults from
overwintering larvae at all points in the southern half of the State, starting Mly 5 and reaching a peak in southern Illinois between May 9 and 10. Newly hatched larvae were first found entering the fruit in
extreme southern Illinois on May 13.
Michigan. R. Hutson (May 9): On May S, in field observations at Mason,
50 percent of the codling noth larvae were found pupated.
Missouri. L. Haseman (May 23): The codling moth began emerging the last
days of April in southern Missouri and by the end of the first week
emergence was general over most of the State. First worms entered
fruit in southern Missouri between May 11 and 15. Bait-trap catches
indicate only a moderate number of first-brood moths in orchards.
Heaviest emergence in southern Missouri was from May 5 to 15 and in
northern Missouri from May 10 to 20.
H. Baker (May 26): The first codling moths were caught in bait
traps at Saint Joseph on May 7, and large catches were taken during the
period May 14-22. Only a few scattering worm entrances have been
observed to date.
Colorado. G. M. List (May 22): The first codling moths were taken in traps
at Paonia by J. H. Newton on May 3. There was a low winter mortality
of the overwintering larvae in that section.
Washington. E. J. Newcomer (May 19): Emergence of moths began on May 4 in
the Yakima Valley with large numbers emerging from the 10th to the 13th.
This is about the same time as last year, although the development of
the apples is about a week ahead of last year.
EASTERN TENT CATERPILLAR (Malacosoma americana Fab.)
Connecticut. W. E. Britton (May 19): Nests arb very numerous in some
localities. Caterpillars are now about half grown. Gray birches along
the roadside in Wallingford were nearly defoliated on May 14.
New York. N. Y. State Coll. Agr. News Lettor (May): Infestation by tent
caterpillars is general in the Hudson River Valley and the western
New York fruit district, although probably not so intbnsive hs last year.
R. E. Horsey (May): Two tents l- inches in diameter, with larvae
Sinch in length were soon on crabapple on Ma:r 2 at Rochester. Since
then they have become very numerous, acre so than I have ever seen them.
As many as 12 nests were found on on:- -all native craba wle tree, and over 200 nests were removed from about 7 acres of ornamental and native crabapples. They were bad on Japanese quince, cotoneas _s, wild plum,
ornamental cherries, etc. A note from Gate,' on Ma- 18 s-id," have
been having quite a time with tent caterpillars in our hedge (nglish
hawthorn) and cherry trees. We thought we had them all cleared out but
found a number of large nests in one of the cherry trees today."
New Jersey. T. J. Headlee (May 21): The eastern tent caterplln r is less
abundant than last year but is still. present in co sider e n1juibors in the northern half of the State. The caterpillnis are about full
grown and many of them have gone into migration. Egg parasites were
common but not abundant in the gg;s laid last fall.
Pennsylvania. R. M. Baker (May 22): M. americana was observed hatching
as late as the last week in April in Crawford County.
H. E. Hodgkiss. (May 27): Eastern tent caterpillar is very
abundant in Bradford, Susquehanna, and Centre Counties. Elsewhere it
appears to be less abundant than in 1935.
Maryland. E. N. Cory (April 3): First noticed the tent caterpillar on
cherry and apple trees in Worcester County on April 3, in Talbot and
Queen Anne Counties on April 4, and southern Maryland on April 9.
Tennessee. G. M. Bentley (April 15): Tent caterpillars are very abundant
again this year on wild cherry and apple trees in all parts of Tennessee.
FRUIT TREE LEAF ROLLER (Cacoecia argyrospila Walk.)
Pennsylvania. H. E. Hodgkiss (May 27): Infestation of fruit tree leaf
roller severe in some orchards. Not general in the State.
APPLE APHIDS (Aphiidae)
Connecticut. P. Garman (May 19): Rosy apple aphid (.Anuraphis roseus Baker)
very abundant in some localities in New Haven County.
New York. N. Y. State Coll. Agr. News Letter (May): All three species of
the apple aphids appear to be more abundant than usual in the Hudson
River Valley. The rosy apple aphid is the predominating species in the
western fruit district. In both places syrphid flies and ladybeetlos
are holding the aphids in check.
Maryland. E. N. Cory (April 29): Rosy apple aphid observed attacking apple
at Sandy Spring.
Wisconsin. C. L. Fluke (May 20): Apple grain aphid (Rhopalosiphum prunifoliae
Fitch) infests 75 to 90 percent of terminals in Crawford County. Green
apple aphid (Aphis pomi DeG.) is practically absent in the western
apple orchards in Crawford County.
Missouri. L. Haseman (May 23): Some rosy aphid present in southwestern
Missouri and in the west-central portion but generally aphids are
less abundant than usual.
Colorado. G. M. List (May 22): The rosy apple aphid is somewhat more
numerous than usual in Delta and Mesa Counties and was reported for the
first time from Montezuma County.
LEAFHOPPERS (Cicada llidae)
Connecticut. P. Garman (May 19): It was estimated that from one-fourth
to one-half of the white apple leafhopper (Typhiocyba pomaria Mc.)
had emerged at the time of calyx spray.
Pennsylvania. H. E. Hodgkiss (May 27): T. pometaria hatching on May 13 in
Berks County. Infestation heavy in some orchards.
Missouri. L. Hasoman (May 23): There was a heavy overwintering crop of the
red-spotted (Erythroneura maculnta Gill.) and red-striped (E. obliqua Say)
leafhoppers, but in the last 2 weeks they have been less noticeable on
foliage, owing to spread and possibly dying following egg laying.
First nymphs of these seemingly beginning to show up. The white apple
leafhopper, which passes the winter in the eg.- stage, is fairly abundant
and the first-brood mating occurred from May 15-20 in central Missouri.
APPLE EDBUGS (Miridae)
New York. N. Y. State Coll. Agr. News Letter (May): Red bugs have injured
the terminal growth in several orchards in the lower Hudson River Valley.
Reports from Orleans and Wayne Counties also indicate injury.
New Jersey. T. L. Guyton (May 21): Apple redbug (Lygidea mendax Reut.)
are rather numerous in part of an apple orchard at Lebanon.
Pennsylvania. H. E. Hodgkiss (May 27): Both species, L. mendax and
Heterocordylus malinus Reut., are abundant through the State. They
were hatching on May 5 and 6.
SAN JOSE SCALE (Aspidiotus perniciosus Comst.)
Georgia. 0. I. Snapp (May 20): Most of the San Jose scales are dead in
peach orchards sprayed last winter for the control of this insect
at Fort Valley. In these orchards, crawlers and recently set-up young
are rather scarce.
Tennessee. G. M. Bentley (May): In many of our peach and apple orchards
of western Tennessee San Jose scale is showing up in appreciable
Missouri. L. Hasoman (May 23): San Jose scale is not breeding'up heavily,
'probably on account of severe winter mortality.
Wisconsin. E. L. Chambers (May 20): More than 600 city properties in
southern Wisconsin were sprayed during April with a miscible oil in a
clean-up campaign against the San Jose scale. New infestations were found following an intensive survey in 6 now localities. This insect
has not yet reached the commercial fruit-growing districts of the
North Dakota. J. A. Munro (May 1S): Examination of a cotoneaster hedge at
Fargo showed a heavy infestation of San Jose scale. All insects above
the snow line were dead, but where protection has been afforded by
snow the survival was about 5 percent.
FLAT-HEADED APPLE TREE BORER (Chrysobothris femorata Oliv.)
Missouri. L. Haseman (May 23): Adults first observed on May 1S-20. Expect
another bad siege, although some increase of parasites last year may
Nebraska. M. H. Swenk (May 20): During the period from April 21 to May 20
numerous complaints of damage to fruit and shade trees by the flatheaded apple tree borer continued to be received. Those came from Douglas, Saunders, Saline, Platte, York, Hall, Holt, and Redwillow
APPLE FLEA VEEVIL (Orchestes pallicornis Say)
Ohio. T. H. Parks (May 25): Adult flea weevils overwintered in large
numbers in some orchards and migrated to the new apple leaves in the delayed dormant stage of bud development. Prompt sprays gave fairly good control. On unsprayed trees larvae are now full grown in their
APPLE CURCULIO (Tachypterellus quadrigibbus Say)
Pennsylvania. H. E. Hodgkiss (May 27): Adults of apple curculio were
depositing eggs in apples in York County on: May 20. One larva was
found feeding in young apple.
EUROPEAN RED MITE (Paratotranychus pilosus C. & F.)
Connecticut. P. Garman (May 19): European red mites are abundant in some
orchards in New London County. Mites were mature and laying eggs at
the time of the calyx spray.
Pennsylvania. H. E. Hod
by first-generation adults hatching in Adams County on May 21.
PLUM CURCULIO (Conotrachelus nenuphar Hbst.)
Connecticut. P. Garman (May 19): Beetles of plum curculio out of hibernation in New Haven County but not working on fruit as yet.
Delaware. L. A. Stearns (May 23): The first overwinterod adults were
collected by jarring on April 17 at Bridgeville. Injury by firstbrood grubs subnormal.
Pennsylvania. H. E. Hodgkiss (May 27): First observation of plum curculio
in Lancaster County was on May 11, when they were feeding on apple and
plum. No feeding seen on peach, even where interplanted with apple.
Maryland. E. N. Cory (May 13): Plum curculio was found ovipositing on
poach on May 13 at Avanel.
Virginia. W. J. Schoene (May 26): A heavy second brood of the plum curculio
is in progress. The overwintering adults reached the orchard between
April 24 and May 25. Large numbers arrived about May 1. The wormy
peaches were dropping in large numbers on May 20-23, infestation
running as high as 95 percent. In one orchard drops in the center of the peach block averaged 50 percent wormy and those on the outside of the blocks averaged 90 percent. The fruit is very small, about 1,000
to the gallon.
Georgia. 0. I. Snapp (May 6): The peak of first-brood larval emergence
from peach drops at Fort Valley occurred on May 4, which is 6 days
later than the peak emergence in 1935. (May 25): Nearly all of the
overwintered adults are dead, as revealed by recent jarring of
commercial orchards at Fort Valley. First-generation adults have not
yet started to emerge.
Ohio. T. H. Parks (May): Scars from the plum curculio are very scarce
and no special sprays on apple have been necessary.
Indiana. L. F. Steiner (May 21): Injuries were noted at Vincennes on Ben
Davis apples as early as May 5, only a few days after petal fall. The
pest is more abundant than usual and is dcing considerable damage
throughout the district.
Illinois. W. P. Flint (May l1): Plum curculio is more abundant in southern
Illinois than it has been at any time during the past 3 years. Jarring
records made by S. C. Chtndler show a considerable increase in numbers of
adults taken during the past 2 weeks. The wet season of 1935 certainly
enabled this beetle to stage a strong comeback.
Michigan. R. Hutson (May 9): On May 8 we jarred some trees at Mason and
East Lansing. C. nenuphar was recovered at both places. These recoveries were, without doubt, due to the extremely warm weather of the
past few days. The buds are in the prepink stage.
Tennessee. G. M. Bentley (May): In peach and plum orchards where timely
sprays have not been applied a large humbor of the curculio is present
generally over the State.
Mississippi. C. Lyle (May 23): Injury by the plum curculio is rather
general in unsprayed orchards, although only light damage is reported
in the central and southwestern parts of the State. Inspector J. E.
Lee at Poplarville reports wild plums in Pearl River County heavily
infested,one count showing 94 percent infestation.
Minnesota. A. G. Rumgles (May 22): Plum curculio is moderately abundant
in Hennepin County.
Missouri. L. Haseman (May 23): In central Missouri there was an early May
appearance of curculios and both apples and stone fruits were attacked
generally, but at first punctures were mostly for feeding. In the
poach district of southwestern Missouri stone fruits were also badly
attacked with worms in fallen fruit May 20-22.
A FLEA BEETLE (Chalcoides helxines L.)
Connecticut. M. P. Zappe (May 22): Considerable feeding on leaves by adults.
Most abundant in peach orchards at Southingtcn on those trees adjoining
hedgerows containing chokecherries. Probably more beetles on chokecherries than on peach. Injury not serious on either plant.
ORIENTAL FRUIT MOTH (Grapholitha molesta Busck)
Delaware. L. A. Stearns (May 23): Emergence of spring brood practically
complete; first-brood larvae feeding in twigs are about half grown.
Pennsylvania. R. M. Baker (May 13): Terminal infestation on young peach
quite noticeable at Rutherford. Not quite so bad cn older trees.
Georgia. 0. I. Snppp (May 20): Oriental fruit moth infestation is light
at Fort Valley.
Ohio. E. W. Mendenhall (May 20): Quite bad on the peach trees in central
Ohio that are left alive fron the severe freezes of last winter. The
tips of the peach limbs are quite noticeable from their injury. Their population will be somewhat decreased on account of so many peach trees being killed last winter. They will no doubt attack other fruit trees.
Missouri. L. Haseman (May 23): Oriental fruit moth is more abundant at
Cape Girardeau than usual. The first brood is causing much damage
to tips and worms are occasionally entering green fruit.
Mississippi. C. Lyle (May 23): Oriental fruit moth injury to peach twigs
was observed by Inspector N. L. Douglass at Water Valley and Grenada
about the middle of May. At State College this injury is much lighter than in the spring of 1935. Some orchards heavily infested last year
show no injury at all this season.
PEACH BORER (Aegeria exitiosa Say)
Georgia. 0. I. Snapp (May 9): A male peach borer moth was taken at Fort
Valley this morning while trees were being jarred for the curculio.
This individual evidently emerged on May 9, as it was taken shortly
after 4 a.m., and according to our observations emergence does not
take place before 7 a.m. Furthermore, the freshly cast pupal skin
containing recently dried fluid was found on the tree next to the one
from which the individual was jarred. Moths have not been taken in
the orchards earlier than Mlay 27 before this year. (May 20): The
infestation is heavy in orchards at Fort Valley that were not treated
for this insect. Pupation is starting unusually early. Thirty-four
cocoons and 20 freshly cast pupal skins were removed during the period May 9-13 as a result of the examination of 223 trees in one commercial
orchard. In a second orchard, 1 cocoon and 1 cast pupal skin were
removed during the examination of 0 trees on May 12, and in a third orchard 4 cocoons were removed during the examination Of 103 trees on
May 15 and 13. Peach borer pupation in numbers is starting earlier than in any year since the insect has been under observation in this
PEACH TWIG BORER (Anarsia lineatella Zell.)
Utah. C. J. Sorenson (May 20): The peach twig borer is moderately abundant
in Davis County. The overwintered broods have been emerging as adults
during the past 2 weeks.
A 14GACHILID (Anthidium sp.)
Arizona. C. D. Lebert (May 19): A leaf-cutting wasp, possibly A. enarinatum Say, caused severe defoliation of peach and apricot trees in a
small grove near Higley. The peach trees had their foliage badly
riddled. Some injury to the foliage of Chinese elm and umbrella trees
GREEN PEACH APHID (Mzus porsicae Sulz.)
Pennsylvania. H. E. Hodgkiss (May 27): There is a general infestation of
green peach aphid through the State.
A LEAFHOPPER (Macropsis trimaculata Fitch)
Michigan. R. Hutson (May 20): The leafhopper, reported to be responsible
for the spread of certain virus diseases on peach, started hatching
May 10 at East Lansing.
PEAR PSYLL, (Psyllia pyricola Foerst.)
New York. N. Y. State Coll. Agr. News Letter (May): >In the Hudson River
Valley most of the eggs of pear psylla had hatched by the middle of
the month, after which date a few summer flies were observed. In
western New York hatching was well under way by the middle of the
month, but some eggs were still unmatched by the 25th.
PEAR THRIPS (Taoniothri-ps inconsequens Uzel)
Washington. I. W. Bales (May 4): Pear thrips have caused considerable
damage in Clark County this spring. Some orchards have suffered as
high as 75 percent blossom injury.
Oregon. S. C. Jones (May): In the Willanette Valley emergence of adults
stopped on April 22. The larvae have been hatching since April 17.
In the Unpqua Valley larvae have boon hatching since April 1. The
larvae were practically full grown and had left the trees by May 12.
CHETRRY LEAF BEETLE (Galerucella cavicollis Lec.)
Michigan. R. Hutson (May 20): Reported doing considerable damage to sour
cherries in the vicinity of Traverse City.
HOP APHID (Phorodon humuli Schrank) California. L. M. Smith (May l1): The production of migrants on French
prunes in the Sonoma Valley was practically complete by May 15, marking the close of an unusually heavy infestation on the trees. Large numbers
of migrants (10-50 per leaf) were found on the terminal leaves of hops,
while numerous immature alienicolae were found on the older, lower leaves
of this plant.
SAY'S BLISTER BEETLE (Pomphopoea sayi Lec.)
Ohio. T. H. Parks (May): These blister beetles were sent from New Concord
on May 1 with the statement that they were devouring plum blossoms.
RASPBERRY CANE BORER (Oberea binaculata 01iv.)
Minnesota. A. G. Ruggles and assistants (May 18): Raspberry cane borer
very abundant, causing heavy damage to raspberries in Clearwater
County, according to J. T. Barnes.
GRAPE LEAF FOLDER (Desmia funeralis Hbn.)
Missouri. L. Haseman (May 23): Bearing vines at Columbia are not showing
injury but newly set young plants were badly attacked by grape leafroller on May 15.
GRAPE ROOT '01RA (idia viticida Walsh)
Delaware. L. A. Stearns (May 22): There is a rather serious infestation
of grape root worm on Moore's Early and Concord varieties at Smyrna.
GRAPE PLUKE MOTH (0Rxyptilus periscolidactylus Fitch)
Ohio. T. H. Parks (May 21): Specimens of the larvae of grape plume moth
were received from Hamilton County with the statement that they were
feeding on grape foliage.
GRAPE LEAFHOPPER (Eyrthroneura comes Say)
Delaware. L. A. Stearns (May 13): First overwintered adults of grape
leafhopper observed on grape at Camden today.
GOOSEBERRY AND CURRENT
GOOSEBERRY FRUIT WORM (Zophodia grossulariae Riley)
New York. N. Y. State Coll. Agr. News Letter (May 4): Recently the gooseberry fruit worm has caused heavy losses in gooseberry and current
plantings in the Hudson Valley.
IMPORTED CURPRANT WORM (Pteronidea ribesii Scop.)
New York. N. Y. State Coll. Agr. News Letter (May 18): Found imported
currant worns were working on currants on May 12 in Ulster County.
Ohio. T. H. Parks (May 20): The larvae of imported currant worms are now
about half grown and are rapidly defoliating currants and gooseberries
in some plantings at Columbus.
PECAN NUT W7ORM (Acrobasis caryae Grote)
Louisiana. VW. C. Pierce (April 24): Larvae and pupae of the pecan nut case
bearer were collected in pecan shoots at the Robson Experimental
Station. The number of injured shoots ranged from two to four per tree
on 6-year-old pecan trees. On May 14 the first case-bearer eggs were
collected on young pecan. Eggs were in late stage of development with
none hatched at this time. Damage will probably be noticed by pecan
growers this year on account of the light pecan crop, which is confined
to a few varieties.
PECAN LEAF CASE BEARER (Acrobasis juglandis LeB.)
Louisiana. WJ. C. Pierce (May 7): Considerable danage has been caused by
larvae of the pecan leaf case bearer feeding on buds and new growth
of pecan in southwestern Louisiana near De Ridder.
PHYLLOXERA (Phlloxera spp.)
Mississippi. C. Lyl, and assistant (M:y 2-): h rf
damage to pecans have been received during the month. Specimens rf
P. devastatrix Perg. were received from correspondents at Rolling Fork,
Yazoo City, Charleston, Leland, and Satartin. P. notabilis Perg.
was received from Pattison, and a complaint unaccompanied by specimens
came from Vicksburg. A report was received of damage to a pecan tree
Louisiana. W. C. Pierce (May 5): The first open galls of P. devastatrix
weru observed near Shroveport on Schloy pecan trees. The gall opening
period on Stuart and Success varieties is a little later than on the Nelson and Schley varieties. Severe damage has been caused on pecan
trees at locations scattered along the Red and Miscissippi Rivers.
(May 7-15): Light infestations of Phylloxera sp. (undetermined) have
been observed on pecan trees in southwest rn Louisiana and on trees
growing along the Red and Mississippi Rivers. The most severe infestation was observed on Nelson variety, which was also attacked by
PECAN APHIDS (Aphiidae)
Georgia. T. L. Bissell (May 21): Melanocallis coryaefoliae Davis, the black
pecan aphid, is prooent in moderato numbers, small number of fending
spots being present at Ex:eriment. Monellia costalis Fitch is very
abundant at Experiment. il. niropunctata Granovsky is present in
moderate numbers on pecan at Experiment.
A SAWFLY (Periclista sp.)
Louisiana. 7. C. Pierce (May 1-15): Smoll holes in pecan leaflets caused
by the feeding of sawfly larvae.. have been observed in every pecan
orchard visited in this State. Practically no damagoc has been caused.
0BSCUE SCALE (Chrysomphalue obscurus Const.)
Mississippi. C. Lyle and assistants (Iay 23): An infestation of obscure
scale on pecan trees at Shaw was reported by Inspector N. L. Douglass,
who also stated that a few oak trees had been killed by this insect
and others severely injured. In the Delta this scale is causing damage
to pecan trees.
Louisiana. W. C. Pierce (May 7): Ten-year-old pecan trees severely encrusted
with obscure scale were observed near De Ridder. It is unusual to find pecan trees of this age heavily encrusted with this scale. In northern
Louisiana damage is confined mostly to the lower parts of trees from
20 to 30 years old or over.
C I TRUS
CALIFORNIA RED SCALE (Chvysorphalus aurantii Mask.)
Arizona. C. D. Lebert (May 19): It seems that the fumigation and scale
clean-up around Phoenix during the past season has been 100 percent
efficient. No live adult scales or crawlers have been found on either
citrus or ornamentals. Check trees in formerly infested groves
fumigated this spring were negative.
COTTONYf CUSHION SALE (Icerya purchasi Mask.)
Florida. H. T. Fernald (May 23): The fluted or cottony cushion scale is
very abundant in the Orlando section on prickly pear, but I have not
seen any on citrus.
Mississippi. C. Lyle (May 23): An infestation of cottony cushion scale on
pecan was sent in by a correspondent at Hattiesburg on May 2.
Arizona. C. D. Lebert (May 19): A light-to-mroderate infestation of this
scale was found in i grapefruit grove near Pho.nix. The Australian
ladybeetle (Rodolia cardinalis Muls.) wvas also proseit and each scale cluster had from 7 to 7 larvae around it. The beetles were building
CITRUS WHITEFLY (Dialcurodes citri Riley & How.)
Mississippi. J. E. Lo0 (May 23): The citrus whitefly very abundant in the
vicinity of Poplarville. A number of Cape-jasmine plants have been
ORANGE TORTRIX (Tortrix citrana Fern.)
Florida. J. R. Watson (May 21): W. L. Thompson, of our Citrus Station
at Lake Alfred, reports that he has seon more orange tortrix than for
A TERIPS (Frankliniolla sp.)
Florida. J. R. Watson (May 21): Thrips multiplied rapidly during this dry
period in the month of April and the first half of May.
Corrnction.--The note on page 39 of the Insect Post Survry Bulleti
volume 16, number 2 (April 1, 1936), Scirtothrips citri Moult. should
read Frankliniella sp.
CITRUS RUST MITE (Phvllocoptes oleivorus Ashm.)
Florida. J. R. Watson (May 21): Dry weather has caused rapid development
of rust mites and there has been much spraying for them.
SIX-SPOTTED MITE (Tetranychus sexmaculatus Riley)
Florida. J. R. Watson (May 21): The six-spotted mite has been more injurious to grapefruit than for many years, in most sections of the State
causing a severe leaf drop, in some cases.as much as 50 percent. The
leaves are maturing at the present time and the damage from this mite is
A CERXAvYCID (Prionus sp.)
Arizona. C. D. Lebert (May 1N): The larvae of a cerainbycid, probably
P. californicus Mots. or P. heroicus Semen, were found in date palms
and offshoots at Litchfield Park. Numerous tunnels in the mother palms and all the offshoots on three parent plants were either dead or dying.
Twenty-seven large larvae were taken from three small offshoots. The
injuries were confined to one side of the field and to four or five
NAVEL ORANGE WORM (Myelois venipars Dyar)
Arizona. P. Simmons (May 27): Moths reared from dates near Phoenix were
sent in by P. Simmons and determined by C. Heinrich as M. venipars.
VEGETABLE WEEVIL (Listroderes obliquus Klug)
Mississippi. C. Lyle and assistants (May 23): Early in the month infestations were reported on tomato at Hazlehurst and on cabbage at McCool.
This pest has been very active during the month, damaging turnips in
Hinds, Rankin, Holmes, and Yazoo Counties.
California. A. E. Michelbacher (May 21): In parts of the San Francisco
Bay region newly set tomato plants have been seriously injured.
FLEA BEETLES (Halticinae)
New York. N. Y. State Coll. Agr. News Letter (May): Flea beetles were
reported as injurious in western New York during the latter half of
Ohio. B. J. Landis (May 4): Adults of the striped cabbage flea beetle
(Phyllotreta vittata Fab.) are common on turnip and early cabbage at
Indiana. J. J. Davis (May 23): Flea beetles were damaging small radish
plants at New Haven on May 19.
Missouri. L. Haseman (May 23)! Several species of flon beetles have been
abundant and injurious in gardens in central Missouri.
Mississippi. D. 17. G-rimes (May 22): Flea beetles are causing damage to
turnips at various points.
Nebraska. 0. S. Bare (May 19): Numerous small, dark-colored, quick-jumping
beetles have riddled the leaves of radishes and cabbage.
California. A. E. Michelbacher (May 21): In parts of the San Francisco Bay
region newly set tomato plants have been seriously injured.
STRIPED CUCUMTBER BEETLE (Diabrotica vittata Fab.)
Connecticut. W. E. Britton (May 20): Severe damage to young summer squash
plants observed in one field on May 11 at Hew Haven.
N. Turner (May 23): Some cucumbers killed in East Hartford
by striped cucumber beetle, which is apparently abundant as usual.
Virginia. H. G. Walker (May 25): The striped cucumber beetle is rather
scarce in the Norfolk district.
Ohio. B. J. Landis (May 6): The first adult of the striped cucumber beetle
was observed on May 6. On May 10 adults were numerous in a woodlot
Mississippi. C. Lyle and assistants (May 23): A heavy infestation was
observed on watermelons in Jackson County and on squash at Durant,
Minnesota. A. G. Ruggles (May): Striped cucumber beetle has been reported
as moderately abundant in Morrison, Crow Wing, Rice, and Pipestone
Missouri. L. Haseman (May- 23): In central Missouri the striped cucumber
beetles are either slower in showing up or less abundant than usual, as
little damage has been done as yet.
Oklahoma. F. A. Fenton (May 23): The two-striped cucumber beetleie injuring
SPOTTED CUCU1vBER BEETLE (Diabrotica duodecimpunctata Fab.)
Virginia. L. W. Brannon (May 7): Twelve-spotted cucumber beetles were
observed feeding in the field at Norfolk on young snap beans for the first time this season on April 20. This is 6 days earlier than the
first beetles were observed feeding in 1935.
Georgia. T. L. Bissell (Mlay 5): The first injury to corn by budworms was
seen today at Experiment. Beetles were very numerous in March and
early April but very few larvae have been found on cover crops.
0. I. Snapp (May 19): The spotted cucumber beetle has been more
abundant than usual this spring, and lrge numxoers have been jarred
from peach trees at Fort Valley.
Mississippi. C. Lyle and assistants (May 21): Adult beetles are completely
destroying a field of watermelons at State C>llege. The larvae were
causing unusual damage to corn in the Abordo'ri district. (May 22):
Twelve-spotted cucumber beetles found on squash at Durant and noticed
generally in gardens on other plants.
Kentucky. W. A. Price (May 26): Spotted cucumber beetle present on beans.
Oklahoma. F. A. Fenton (May 23): The twelve-spotted cucumber beetle is
WESTERN SPOTTED CUCUMBER BETLE (Diabrotica sorer Lec.)
Oregon. D. C. Mote (May): More numerous at this time in the Willamette
Valley than for the last few years. Damage to alfalfa has been observed
in Linn County. Reported by B. G. Thompson.
STRIPED BLISTER BEETLE (Epicauta vittata Fab.)
Georgia. T. L. Bissell (May 25): Pimiento pepper beds in Butts County are
attacked by this blister booeetle.
A COCCINELLID (Coratomegilla fuscilabris Muls.)
Mississippi. J. P. Kislanko (May 23): An. unusual case of economic loss due
to this ladybeetle has been observed. A canning factory in Laurel
rejected several tons of turnip tops and spinach on account of numerous
pupae attached to the lower surface of the loaves, which rendered the
product unfit for canning.
FALSE CHINCH BUG (Nysius ericac Schill.)
California. A. E. Michelbacher (M1ay 21): In one or two places in the San
Francisco Bay region nymphs of the fire chinch bug have caused some
S. Lockwood (May 23): Outbreaks of the false chinch bug
are now appearing in Napa, Sacramento, and El Dorado Counties. In some
fields the bugs are doing considerable damage to young tomato plants
which are just now starting to grow in the field.
Nebraska. M. H. Swenk (May 20): On May 16 a Madison CounMty correspondent
reported the false chinch bug feeding on radishes, cucumbers, and other
Arizona. C. D. Lebert (May 19): On account of the dry spring and the consequent sparse growth of mustard weed there has been very little
trouble from this pest. One heavy infestation was observed in a citrus
grove near Phoenix where severe injury occurred to the young trees.
A mustard cover crop in this grove was responsible for this infestation.
Reports from Tucson state that kevoral residents were annoyed by the
presence of large numbers of thece pests late in April and early in May.
TAPRNISHED PLANT BUG (-ggus pratensis L.)
Colorado. G. M. List (May 22): The tarnished plant bug was not as abundant
on peaches during the blooming peri-d in the peach-growing districts
as usual. It has, however, been coT.paratively numerous on some garden
crops in other localities.
GREEN STINKBUG (Acrosternm im hilaris Say)
California. S. Lockwood (April 30): The green soldier bug is occurring in
large numbers again this year in Merced County. Inspections yesterday
gave evidence of far more than normal numbers of this insect.
POTATO AM VLIULTO
COLORADO POTATO BEETLE (Leptinotarsa dcemlineata Say)
New York. N. Y. State Coll. Agr. News Letter (May" 1S): The Colorado potato
beetle is laying eggs in Nassau County.
Delaware. D. MacCreary (May 12): One specimen of (folorado potato beetle
observed at Odessa.
Virginia. H. G. Walker (May 25): The Colorado potato beetle is very abundant
Georgia. T. L. Bissell (May 5): The Colorado potato boe'tle has become very
abundant and injurious on Irish potato at Griffin.
Ohio. N. F. Howard (May 1S): The potato beetle is injuring early tomatoes
in the field at South Point but is not very numerous on early potatoes.
B. J. Landis (May 7): The first adult was seen flying on May 7 at
Columbus. On May 11, 15 adult beetles were counted on a -O-foot row of potatoes. Eg mass on Solanum dulca ara was observed -n May 12.
Mississippi. C. Lyle (May 23): The Colorado potato beetle is generally
abundant over the State and practically all gardeners are fir.ding control
Missouri. L. Haseman (May 23): Reported by many growers as extreme-ly abundant,
more so than was expected, following so severe a winter.
Nebraska. 0. S. Bare (May 19): Potato bugs seem to be very plentiful this
Oklahoma. C. F. Stiles (May 21): Potato beetles are quite numerous in the
vicinity of Edmond and it will be necessary to poison most of the fields
to prevent defoliation.
POTATO FLEA BEETLE (Epitrix cucu oris Harr.)
New York. NIT. Y. State Coll. Agr. News Letter (May 1S): Some potato flea
beetle injury is howing up in Nassau County.
Pennsylvania. H. E. Hodgkiss (May 27): On May 14 potato flea beetle was
just starting on potatoes. The initial infestation is not as large as
in most years.
Kentucky. A. Price (May 26): Potato flea beetles are common and destructive over the State generally.
Iowa. H. E. Jaques (May 23): Potato flea beetle unusually abundant.
Mississippi. J. E. Lee (May 23): The heaviest infestation of potato flea
beetles in several years was noted at Purvis early in May.
Colorado. G. M. List (May 22): Flea beetles, especially E. cucuneris,
are danaring tomatoes, potatoes, and many other small plants in several
sections of the State.
TOMATO PINlJORMvI (Gnorimoschoma lycopersicolla Busck)
Florida. J. R. 7atson (May 21): Tomatoes in the Bradenton section show a
very light infestation of the pinworm.
POTATO APHID (Illinoia solanifolii Ashm.)
Virginia. H. G. 'Walker (May 25): The pink and groon potato aphid is
bei -nning to appear on potatoes at Norfolk in small numbers.
TOMALTO PSYLLID (Paratrioza cockerelli Sulc.)
Colorado. G. M. List (May 22): The tomato psyllid was taken in a"car trap"
at Grand Junction April 20 by 0. A. Hills. Adults wVere taken on native
host plants at Las Animas, by L. Sweetman on MIay 2. On May 16 eggs
were rather numerous at Fort Collins on tomato plants growing in the
MEXICAN BEAN BEETLE (Epilachna varivestis Muls.)
Virginia. H. G. Walker (May 25): The Mexican bean beetle appears to have
suffered a very heavy winter mortality, as they are very scarce in the
field and. less than 2 percent have emerged from hibernation cages at
L. VW. Brannon (May 7): The first Mexican bean beetle of the season
was found feeding in the field in the Norfolk area on April 20. Only
one beetle was found on 20 rows of snap beans 300 foot long, so the
beetle is apparently one of the first to emerge. Daily observations have
.been made since the first beans were observed on April 11.
Georgia. T. L. Bissell (May 5): One beetle found today on beans at Griffin.
Occasional beetles have been found for 2 weeks on peach trees but this
is the first on beans. (May 21): The beetle continues to be scarce
at Experiment, doubtless on account of the long-continued dry weather,
which is also keeping the beans back. A report that the beetle is
injurious at Thomasvillo has not been verified.
Ohio. N. F. Howard (9May 20): The first beetle was found in the field at
South Point on May 8 and had apparently been feeding for a day or more.
By May 18 a number of beetles were present in each field examined but
were less numerous than usual.
BEAN LEAF BEETLE (Cerotona trifurcata Forst.)
Virginia. H. G. Walker (May 25): The bean leaf beetle is very abundant at
Norfolk and it seems especially destructive because of the dry weathor,whid
has greatly retarded the growth of the beans.
Georgia. T. L. Bissell (May 5): The bean leaf beetle has severely riddled
the leaves of snap beans. Injury was first noted about 2 weeks ago at
Experiment and Griffin.
Ohio. N. F. Howard (May 18): The bean loaf beetle has been numerous on early
beans at South Point. The first leaves in some fields averaged 20-holes per loaf. Injury to trifoliate leaves is not great and the infestation
Indiana. J. J. Davis (May 23): The bean leaf beetle was reported to be
damaging garden beans in a number of localities in the southern half of the State, Torre Haute being the most northern point reported. Most of
the reports came in from May 11 to 14.
Kentucky. W. A. Price (May 26): The bean loaf beetle has booeen more destructive to the bean crop than the Mexican bean beetle, which is very
Mississippi. C. Lyle and assistants (May 23): The bean leaf beetle has been
rather uniformly destructive over the State.
BEAN APHID (Aphis runicis L.)
California. S. Lockwood (May 25): The bean aphid is causing considerable
damage to sugar beets, field peas, and horse beans in the Delta district
of Solano County.
PEA APHID (Illinoia pisi Kalt.)
New Jersey. T. J. Headlee (May 21): The first pea aphids on peas were
observed on May 18 in southern New Jersey. The infestation is confined
to those fields bordering on or near clover and alfalfa fields. Pea
fields situated some distance from clover and alfalfa fields are free
from aphids. Weekly aphid surveys ha
Virginia. L. W. Brannon (May 7): The first pea ophid of the season in the
Norfolk district was found on peas on April 13. Peas have been up in that district since the middle of March and weekly sweepinjs -nd been made since that date. On April 24 the first pea aphid of the season
on the Eastern Shore of Virginia was found in the vicinity of Caeriton.
Peas have been up in that district since the middle of 2t rch, and
weekly sweepings had been made since the first week in A il.
Ohio. B. J. Landis (May 12): Pea aphids scarce on canning peas at Chillicothe, Circleville, and Canal Winchester. (May 20): Pea aphid survey
on canning peas in Ohio: Pea fields swept are the same and bear the
same numbers as those reported May 12; no sweeps were made at Canal
Winchester; lI miles north of South Bloomfield--50 sweeps, 13 aphids;
1 mile east of Circloville--50 sweeps, 27 aphids; south edge of Circleville--50 sweeps, 59 aphids; Scippo Creek--50 sweeps, 88 aphids; in a
field north of covered bridge on Route 104--50sweeps, 47 aphids; in
field near Veteran's Hospital on Route 104--50 sweeps, 107 aphids;
2 miles west of Chillicothe--50 sweeps, 98 aphids; 2 1/8 miles west of
Chillicothe--50 sweeps, 179 aphids; south of city limits of Chillicothe-50 sweeps, 83 aphids. (May 27): lI miles north of South Bloonfield-52 aphids in 50 sweeps; 1 mile east of Circleville on Stato Route 188-130 aphids in 50 swoops; south edge of Circleville on State Route 23-171 aphids in 50 sweeps; 4 miles south of Circleville on State Route
23 at Scippo Croek--360 aphids; about 3 miles north of Chillicothe on State Route 104 at wooden bridge--85 aphids in 50 swoops; across from
Veteran's Hospital on State Route 104--170 phids in 50 sweeps;
2 miles west of Chillicothe on U. S. Route 50--172 aphids in 50 swooeeps;
1 mile west of No. 7--162 aphids in 50 sweeps; south edge of city limits
of Chillicothe--456 aphids in 50 sweeps.
Mississippi. C. Lyle (May 23): Infestations of I. pisi were observed
on English peas and sweetpeas near State College and Starkville on May
1 and 15.
California. R. E. Campbell (May 14): A 50-acre field of cannery peas in
full bloom in Marin County was quite generally infested with the pea aphid, ranging from 3 or 4 to 200 per plant. Although a few syrphid
larvae and numerous eggs were present, it was apparent that the infestation was building up and that serious injury would be caused.
IMPORTED CABBAGE WOPJRM (Ascia rapae L.)
Virginia. H. G. Walker (May 25): Cabbage worms are relatively scarce,
although there are a few imported cabbage worms and a few larvae of the diamond-back moth (Plutella maculipennis Curt.) in some fields.
Mississippi. C. Lyle (May 23): The imported cabbage worm is causing severe
injury in the Aberdeen district and is fairly abundant at State College
and in the trucking section of Copiah and Lincoln Counties.
Washington. R. S. Lehman (May): The cabbagz- butterfly is doing some damage
to cabbage near Walla Walla. Cabbage plants are usually set out in the
f'll, but a fil freeze killed all the plants, making a spring setting of plants necessary; thus, greater damage by the cabbage butterfly is
expected as the plants will mature late.
CABBAGE LOOPER (Autographa brassicae Riley)
Mississippi. L. J. Goodgame (May 23): The cabbage looper is unusually
abundant in the Aberdeen district.
CABBAGE APHID (Brevicoryno brassicae L.)
Virginia. H. G. Walker (May 25): The cabbage aphid is very abundant in some
fields of cabbage and seed kale at Norfolk.
Tennessee. G. M. Bentley (May 6): The cabbage aphid is prevalent on young
cabbage plants in the w-iestern p:art of the State in the trucking counties,
and particularly in Gibson Ccunty in the vicinity of Humboldt. These
plants were observed on May 6.
HARLEQUIN BUG (Murgantia hi strionica Hahn)
Virginia. L. W71. Brannon (May 7): Adults have been observed feeding on seedkale plants in the field at Norfolk since March 31. The first eggs
were found in the field on April 21. The date of emergence and oviposition is about normal.
Georgia. T. L. Bissell (May 12): E-ggs were found in collards today at
Mississippi. C. Lyle and assistants (May 23): The harlequin cabbage bug
was abundant in the Aberdeen district and around Jackson. Only slight
damage in southwestern Mississippi has been observed.
CABBAGE MAGGOT (Hylenyia brassicae Bouche)
Connecticut. N. Turner (May 23): Maggots reported to be much more abundant
on cabbage in the Connecticut Valley than usual. Mature larvae were
found May 22, somewhat earlier than usual. Two fields of early cabbage
showed heavy infestations and 50 percent loss.
New York. N. Y. State Coll. Agr. News Letter (May): The cabbage maggot is
more injurious to crucifers on Long Island than it has been for several
years. It is also injurious in Niagara and Onondagza Counties.
New Jersey. T. J. Headlee (May 21): The cabbage maggot has been unusually
abundant this season, especially in the northern part of the State.
Pennsylvania. H. E. Hodgkiss (May 27): Infestations as a whole are rather
light. On Mlvy 13 in Fayette County cabbage following a planting of
turnips of 1935 was very heavily infested.
CABBAGE CURCULIO (Ceutorhvnchus rap Gy.ll.)
Ohio. T. H. Parks (May): Cabboage curculios were brought to the office
with the statement that they were injuring cabbage near Cincinnati.
This insect is rarely brought to our attention.
S JUA S
SQ7ASH BU, (Anasa tristis DeG.) Mississippi. D. W. Grimes (May 22): Squash bug found on squash at Durant and
noticed generally in gardens rn other plants.
Utah. G. F. Knowlton (May 19): Squash bugs were active in the fields before
squash seed was planted this season.
ONION THIRIPS (Thrips tabaci Lind.) Virginia. H. G. Walker (M,.ay 25): Onion thrips are very abundant at orfolk. Florida. J. R. Watson (:ay 21): The onion thrips became so bad in Sarasota
County on celery that the crop was harvested 10 days or 2 weeks before it would have otherwise been cut. Several fields of beans in Sarasota
and Manatee Counties were also a total loss because of depredations of
A BLISTER BEETLE (Meloe impressus Kby.) Minnesota. A. G. Ruggles (May 22): M. impressus is damaging onions at Red
Wing, in Goodhue County.
CARROT BEETLE (Ligyrus gibbosus DoG.) Michigan. R. Hutson (May 20): The carrot beetle has been reported from
North Carolina. C. A. Brannon (May 22): This species is causing considerable
damage to carrots in Cumberland County.
STRAWBERRY WEEVIL (Anthonomus signatus Say)
Delaware. L. A. Stearns (May 13): Strawberry weevil particularly severe
in infestations about the margins of plantings adjoining woodland at
Pennsylvania. H. E. Hodgkiss (May 27)i A4 signatus is abundant in Union
and York Coiuntius, where it wiped out crops.
Michigan. R. Hutson (May 20): Strawberry weevil is abundant in the vicinity
of St. Joseph.
A BEETLE (Diplotaxis atlantis Fall) Connecticut. W. E. Britton (May 19): Moderate injury from D. atlantis on
a A--acre field at -East Haven, where in one corner the leaves had
been eaten by the adult beetles. Adult also received from New Haven.
STRA;JWBEIRY LEAF ROLLER (Ancylis comptana Froel.)
Missouri. L. Haseman (May 23): The strawberry leaf roller is abundant and
was doing much damage in some patches in central Mlissouri from May 10
Nebraska. M. H. Swenk (May 20): A. comptana reported damaging strawberry
plants in Gage County on May 18.
Colorado. G. M. List (May 22): Larvae were very numerous in two plantings
of strawberries at Grand Junction on May 8 and an occasional moth was
flying. The larvae were mostly in the second instar.
STRAVWBERRY CROWN BORER (Synanthedon bibiopennis Bdv.)
Oregon. D. C. Mote (April): W. D. Edwards reports that in the Willamette
Valley S. bibiopennis left their winter cells and began feeding on
FIELD CRICKET (qGryllus assimilis Fab.) Missouri. L. Haseman (May 23): Black field crickets are very abundant in
central and northern Missouri, injuring ripe strawberries badly.
PEPPER VWEEVIL (Anthonomus eugenii Cane) Florida. J. R. Watson (May 21): Three light infestations have been found
in Manatee County. The two most severe of these were due to a small
planting of hot peppers, which was missed last summer during the cleanup campaign.
A GELECHIID (Gnorimoschema chenopodiella Busck)
Michigan. R. Hutson (May 20): Adults are numerous in spinach plantings
at Lake Odessa.
2 RUBA3 CURCULIO (Lizus concavus Say) Michig:an. a. Hutson (May 20): Reported frcm Kalama oo, Flint, and Birmingham.
Indiana. J. J. Davis (May 23): The rhubarb curculio has been reported from
several central-Indiana localities as appreciably damaging rhubarb.
BEET LEATHOPPER (Eutettix tenellus Bak.)
Montana. J. R. Douglass and D. E. Fox (April): Surveys in the Billings
beet-growing district from April 20 to 23 revealed that a small number
of females of E. tenellus survived the past winter in that district
and that some of the host plants had germinated the previous fall.
The surviving adults were found near Billings and Warden, practically
in the center of the district where the curly-top disease of sugar
beets was most prevalent in 1934 and 1935. The fact that even a few individuals can survive winter conditions in the Billings district is
of great importance, as it demonstrates the ability of this pest to
survive a moderately severe Montana wiAter and shows at least a
temporary extension of this insect's range.
Utah. G. F. Knowlton (May 19): Beet leafhoppers survived in reasonable
abundance again in the Grantsville-Timpie area of Tooele County.
TOBACCO FLEA BEETLE (Epitrix parvula Feb.)
North Caroli-a. C. H. Brannon (May 15): Flea beetle injury to newly
set tobacco is very severe in eastern North C'nrolina.
CO TT 0 N INSECTS
BOLL WEEVIL (Anthonomus grandis Boh.) South Carolina. F. F. Bondy (&May): Emergence of the boll weevil at
Florence has booeen much lighter than usual.
Mississippi. D. W. Grimes (May 22): One specimen was found on cotton in
Leake County on May 19.
Louisiana. R. C. Gaines (May): The boll weevil emerged in much fewer
numbers than usual at Tallulah this year.
Oklahoma.C. F. Stiles (May): The emergence of the boll weevil has been
lighter than usual at Eufaula.
Texas. R. W. Moreland (May): Emergence has been about normal or a little
above normal at College Station.
K. P. Ewing and R. L. McGarr (May 9):. All indications are that there
are more boll weevils in the field this year than for the last 3 years.
More weevils have been collected from the flight screens and more have been observed from plant inspections than previously. During the week
ended May 9, three weevils were found on the flight screens and three
were found by inspection of 5,00 plants in 24 fields in Calhoun County.
Inspections were made May S in 5 fields in the Guadalupe River bottom at Victoria. Eight weevils were found on 1,600 plants in this area or
an average of 0.45 per 100 plants.
F. L. Thomas (May 29): Boll weevils were found on 15 of 35 farms
examined along the coastal plain last week. They were most abundant
in Do Witt, Goliad, and Refugio Counties.
COTTON LEAF WORM (Alabama argillacea Hbn.)
Texas. K. P. Ewing and R. L. McGarr (May 16): The first leaf worm of the
season was found on May 5 on a farm 1 mile south of Port Lavaca. The worm was about three-quarters grown. On May 15 seven leaf worms were
found on a farm about 15 miles south of Port Lavaca.
BEET ARMYWORM (Laphygma exiua Hbn.)
Arizona. T. P. Cassidy (May 2): A small area of seedling cotton in the
Buckeye Valley was found by T. C. Barber to be infested on April 30.
This is the first occurrence of this insect on cotton reported this
season. The first report in 1935 was on May 2. Although the present infestation is small, it indicates that damage may be expected again
COTTON APHIDS (Aphiidae)
South Carolina. F. F. Bondy and C. F. Rainwater (May 16): Alate and
apterous females and nymphs of Aphis mcdicaginis Koch were found
on cotton near Florence the past week. Some cotton plants were severely infested. The root aphids Trifidaphis phaseoli Pass.,
Anuraphis maidi-radicis Forbes, and Rhopalosiphum sp., were found
on cotton during the week. Much cotton has been killed in some
Texas. R. W. Moreland (May 16): In places around College Station fairly
heavi infestations of aphid, probably Aphis Zoss aii Glov., have
K. P. Ewing and R. L. McGarr (,ay 16): Aphids, probably A. gossypii,
have done considerable damage in Calhoun County. Many fields are heavily infested and in a few fields the stand of cotton has been
COTTON FLEA HOPPER (Psallus seriatus Reut.)
Texas. F. L. Thomas (May 29): Of 35 farms examined last week in 12 counties
along the coastal plain, 25 had infestations of the cotton flea hopper.
The heaviest infestations were in Goliad, Jim Wells, and Victoria
Counties. Five of the farms Ihad sufficient infestations to warrant
K. P. Ewing and R. L. McGarr (May 2): Althou.h the sasonal crgnc
records at Port Lavaca are not complete, indications are that the peak
of emergence occurred from April 27 to 30. The peak of emergence was
approximately 3 weeks later than in 1935.
Mexico. C. S. Rude (Mlay 19): Flea hoppers have -been observed in several
fields near Tlahualilo, but there is no noticoablae .ame.
South Carolina. F. F._3cdy and C. F. Rainwater (May 20): Thrips are much
more numerous now than a week ago and an appreciable infestation may develop. The infestation is unusual, according to J. G., Watts, as to
the manner of infestation and the species causing it. The infestation is centered in the terminal bud, rather than on tho small leaves, and
the attacked buds resemble those stung by the boll weevil. Four species have been found on cotton to date, namely,- Frankliniella
fusca Hinds, F. tritici Fitch, Thrips tabaci Lind., and Soriccthrips
variabilis Beach. The last-named species is responsible for 75 percent
of the.total injury.
F 0 R E S T AN D SHADE T R E E I S E C T S
CAN ERWORMS (Gcometridne)
Rhode Island. A. E. Stene (May 28): Cankerwvorms are apparently abundant
in places where they occurred last year.
Connecticut. P. Garman (Hay 19): Many cankerw'orms (Alsoj 'la pometaria
Harr.) emerged in NTew Haven Cbunty and 'erc fedn- at the time of the
pink spray, May 5 to 7. Sprays applied at that time gave almost
complete control. Shade and woodland trees are heavily infested in
New York. TN. Y. State Coll. Agr. News Letter (May 19): Cankerworms are
unusually numerous in Rocklond County; especially in the Nyack area.
They arc seriously injuring oaks, ellms, and linden trees. In Dutchess
County they are more numerous than last year.
New Jersey. T. J. Headlee (May 21): Cankerworms are abundant and causing
considerable injury to forest trees and some shade and street trees
in most of the northern half of INew Jersey. Four species of worms are
present in considerable numbers. These are A. pometaria, Paleacrita
vernata Peck, Erannis tiliaria Harr., and Ennomos subsignarius Hbn.
The caterpillars are about half grown.
Pennsylvania. H. E. Hodgkiss (May 27): Fall and spring cankerworms are
New Jersey. T. L. Guyton (May 12): Cankerworms are numerous on apple and
forest trees at Lebanon.
Ohio. T. H. Parks (May 25): Larvae of the fall cankerworm are defoliating
many elms in western Ohio. The infestation extends as far east as Madison County, though the greatest injury is reported from Greene
and Clark Counties. The outbreak is very spotted but some complete defoliation has already occurred, although the larvae are still less
than half grown.
Michigan. R. Hutson (May 20): Spring and fall cankerworms are very abundant
in the vicinity of Lansing, Grand Ledge, and Lake Odessa.
FOREST TENT CATEPILLAR (Malacosoma disstria Hbn.)
Vermont. H. L. Bailey (May 25): Forest tent caterpillars are very abundant
in the southern and western parts of the State. Reports of heavy
feeding during the week of May 1S came from -cunnk'_ton, Windsor, and
Addison Counties. The first hatching from s, noted at Middlebury on May 1. Apparently most larvae were in thD third instar on May 22-23.
Connecticut. W. E. Britton (May 19): Observed a few caterpillars crawling
on trunks of paper birch on my premises at New Haven.
Massachusetts, Connecticut, and New York. E. P. Felt (May 23): The forest
tent caterpillar is locally abundant in western Massachusetts, in
Connecticut, and in areas of New York adjacent to Massachusetts and
New Jersey. T. J. Headlee (May 21): The forest tent caterpillar has been
common but not injurious in wooded areas.
Minnesota. A. G. Ruggles (May 22): Very abundant in the Arrowhead district.
On May 20 many were hatching, although none were beyond the second
Mississippi. C. Lyle and assistants (May 23): Specimens were received
from Waveland on May 1 with the report that they were defoliating
fruit trees and roses. The heavy infestation which existed last
month has about disappeared. So many caterpillars were than present
that the grade of turpentine produced was considerably lowered.
Louisiana. T. E. Snyder (April): P. Wakeley reports that forest tent
caterpillars are defoliating several southern hardwood trees more or
less severely. This condition is general from Slidell and Pearl River
north through Talisheek and Bush to Bogalasa, and is more severe this
season than in recent years.
Utah. G. F. Knowlton (May 20): Poplars and ash are being severely damaged
in Washington County by the forest and apple tree tent caterpillar
Washington. R. S. Lehman (May): The forest tent caterpillar is doing
considerable feeding on fruit trees, especially on prunes at Walla Walla
BROWN-TAIL MOTH (Nygmia phaeorrhoea Don.)
Rhode Island. A. E. Stone (May 2S): A few nests of the brovn-tail moth
were found for the first time in over 10 years.
LEOPARD MOTH (Zeuzera pyrina L.) New York. E. P. Felt (May 23): The leopard moth is somewhat generally prevalent though not usually abundant, in shade trees on western Long Island
and in the vicinity of New York City.
A SCALE INSECT (Lecaniodiaspis uruinosa Hunter)
Colorado. G. M. List (May 22): This scale has been increasing on the el.i and
cottonwood at Rocky Ford, until it is now doing considerable injury. The
only report of this insect in the State comes from Otoro County.
CARPE.NTER WVORM (Prionoxystus robiniae Peck)
Nebraska. IvM. H. Swenk (May 20): From Saunders County on May 19 came an
inquiry as to the control of the carpenter worm in ash trees.
BANDED ASH BORER (Neoclytus caprea Say) Nebraska. .. H. Swenk (May 20): The banded ash borer was reported to be
working in ash trees in Knox and Saunders Counties on May 15 and 19,
WOOLLY BEECH APHID (Phyllanhis fagi L.) Kentucky (May 26): Woolly beech leaf aphid very common on beeches in the
vicinity of Lexington.
EUROPEAN BIRCH SAWFLY (Fenusa pumila Klug)
Connecticut. W. E. Britton (4ay 20): Adults observed on May g at Hamden.
No eggs could be found in the leaves.
A BEETLE (Diplotaxis sp.) Vermont. H. L. Bailey (May 25): Diplotaxis sp. had stripped foliage from
young transplanted white birch trees at East Haven in Essex County on
CATALPA SPHINX (Ceratomia catalpae Bdv.)
Mississippi. C. Lyle and assistants (May 23): A heavy infestation of the
catalpa sphinx is reported in the cities of Charleston and Grenada
and in the vicinity of Laurel.
ELM LEAF BEETLE (Galerucella xanthomelaena Schr.)
Vermont. H. L. Bailey (May 25): Adults in numbers reported to be emerging
from hibernating quarters about houses at Windsor the first week in May. California. H. C. Donohoc (April 28): Elm leaf beetles were observed on
April 26 to be causing serious damage to foliage in a planting of large
elm trees near Fresno.
C. S. Morley (May 4): Elm leaf beetle has been actively feeding
on elm trees for the past 3 weeks in Kern County.
PIGEON TREEX (Tremex columba L.) North Dakota. J. A. Munro (May 18): Pigeon tremex reported as common in
elm trees at Crystal in Grand Forks County.
ELM BUD GALL (Dasyneura ulmea Felt) Nebraska. M. H. Swenk (May 20): Specimens of white elm twigs having
blasted and malformed buds caused by this small gall midge were received
on April 24 from Douglas County.
MOURNING-CLOAK BUTTERFLY (Hamadryas antiopa L.)
Georgia. T. L. Bissell (May 13): The spiny elm caterpillar is present on
elm in small numbers at Experiment.
EUROPEAN ELM SCALE (Gossyparia spuria Mod.)
Wisconsin. E. L. Chambers (May 20): The European elm scale is still restricted to less than a half dozen cities in southern Wisconsin. Drastic
control campaigns were carried out in Madison and Milwaukee during March
Colorado. G. M. List (May 22): The winter mortality of the European elm
scale was comparatively low, with the result that there will be heavy
infestations in most sections of the State where spraying was not done.
HACK ERRY BUD GALL (Pachypsylla gerga Riley)
Nebraska. M. H. Swenk (May 20): Specimens of the hackberry bud gall on a
branch from a hackberry tree were sent in from Dundy County on May 18.
LARCH CASE BEALRER (Coleophora laricella Hbn.)
New York. R. E. Horsey (May): Larch case bearer is fairly n uLorous on
Dahurian, European, American, Siberian, and Japanese larches at
Rochester. They were feeding on the leaves en May 2, after a temperature of about 800 F., for a couple of days.
LINDEN BORER (Saperda vestita Say) New York and New England. E. P. Felt (May 23): The linden borer is locally
injurious to young trees in southwestern New England and on Long
LOCUST BORER (Cyllene robiniae Forst.) Oklahoma. F. A. Fenton (May 23): We have received requests for information
on control of the locust borer.
A ROOT BORER (Prionus laticollis Drury)
New York. E. P. Felt (May 23): Broad-necked Prionus grubs were found working
abundantly in the living roots of silver maples on Long Island.
GLOOMY SCALE (Chrysomphalus tenebricosus Comst.)
Mississippi. C. Lyle (May 23): A correspondent at Doddsville sent in maple
twigs heavily infested with this scale on May 1.
ANT OAK GALL (Andricus punctatus Bass.)
New Jersey. T. J. Headlee (May 21): The gouty ash gall seems to be increasim
in abundance in the State and is causing some injury to oaks in several
Pennsylvania. E. P. Felt (May 23): The gouty oak gall was found to be sowewhat abundant on oaks in the Philadelphia aronea.
AN APHID (Myzocallis walshii Monell) Georgia. T. L. Bissell (May 13): Oak aphids (M. walshii) are excoedingly
abundant on oaks at Griffin.
SOUTHERN PIE BETLE (Dendroctonus frontalis Zimm.)
Mississippi. H. Gladney (May 23): A large infestation of the southern
pine beetle was observed in Harrison County on May 12.
ETROPEAN PINE SHOOT MOTH (Rhyacionia bouliana Schiff.)
Connecticut. E. P. Felt (May 23): European pine shoot moth was found extremely abundant in Mugho pines in Greenfield Hills.
A PINE NEEDLE MINER (Paralechia pinifoliella Chamb.)
Massachusetts. E. P. Felt (May 23): The pine leaf miner was found somewhat
prevalent on pitch pine at Belmont.
PITCH-MASS BORER (Parharmonia pini Kollicott)
Massachusetts. E. P. Felt (May 23): The pitch-mass borer was somewhat
prevalent in a white pine planting at Waban.
PINE BARK APHID (Pinous strobi Htg.) New York and New Jersey. E. P. Felt (May 23): Pine bark aphid was reported
on white pine in large numbers at Peekskill, N. Y. It was also reported
present on white pine at West Orange, N. J.
Wisconsin. E. L. Chambers (May 20): Our white pine blister rust forces
are reporting the pine bark louse as being abundant on white and Norway
pine throughout the northern part of the State.
PINE NEEDLE SCALE (Chionaspis pinifoliae Fitch)
Massachusetts. E. P. Felt (May 23): The pine leaf scale was extremely
abundant on pine at Stockbridge. This insect usually favors the Austrian
Minnesota. A. G. Ruggles (May 22): Hatching at Waonsha and Fairmont on
May 15. Very abundant.
Nebraska. M. H. Swenk (May 20): On May 13 a Cherry County correspondent
reported that one of his Black Hills spruce trees was infested with
the pine-leaf scale.
SCOTCH PINE SCALE (Toumeyella nuMismaticun Pettit & McDaniel)
Wisconsin. E. L. Chambers (May 20): The Scotch pine scale, while still
prevalent in northern Wisconsin jack pine forests, is apparently less
abundant than usual this spring.
SKLTJ MITE (Paratetron, rchus uniis Ja-cobi)
Connecticut. W. E2. Britton (May 19): Leaves of s-pruco sh.-owid result of
mite injury last season at Danieis-.n, Hartfor-"7 and *,'est Haven.
PernnsyIlvania. H. E. Hcd1kss (My 21): Spruce 7,ite is very atundant in
W7ILLO074 SA7',,FL7 (Pteronidea voritralis Say)
Delaware. P. L. Rice (Ma0Y 7): A1 hoav,j infestation of the slug 7as found on
a willow treo at Georgeotcwn.
EUROPEAIN WILL0I7 BEETLE (pla.-iodera versicolora Laich.)
Pennsylvania. R. M. Baker (May 11): AIdults an', larvae are- abundant on
willow at Cam p -Hill.
A WILLOWI SC.ALE (Chionasris salicIs- ni.:z7rte W~alsh)
Minnesota. A. G.. Ruggles (M ayr 22): Cslij-jr observed in the scuthwestern part of the Stato.
I NSBEC TS A F F ECT 1 147 GRELNEHCUSE
AND ORNAMENTAL PLAN TS
A SN7FLY (Tenthredinidae)
Ohio. T. H. Parks (Mlay): Specim.-ens of saw,-fly larva-e were received from
Versailles with the statement that thcy worer infcesting- evergreens in that
OYSTER-SHELL SCALE (Lopidosaphes ulmi L.)
Indiana. J. J. Davis (M1ay 23): Oystar-shell scale began hatching tLfaet
about 11a-- 20, much earlier than usual. ga aaet
Minnesota. A. C.. Ruggles (Mayr): Oyster-shell scale is Doderately abundant
in Nicollet, Rice, Murray, Brown, 7inona, and Ramsey Co-unties.
Utah.~~~ C..Knwtn(a1):Osr-shell scale is dama inp many shade
and ornamental plants in northern Utah, plcmtts often being~ killed by
severe infestations. Serious injury to dog-wood and horsechestnut
were recently observed at Logan.
CEDAR BAiRK BEETLE (Phloeosinus dentatus Say)
New York. E. P. Felt (May 23): Arborvitae twigs showing; work of cedar bark
beetle wore received from Babylon, Long Island.
AZALEA SCALE (Eriococcus azalea Comst.)
Mississippi. C. Lyle and assistants (May 23): An infestation of the
azalea scale was found this month at Kosciusko but the source of the plants
could not be determined. An infestation was also found in Bay St. Louis.
On May 19 the scale was found for the first time in the Durant district.
CRAPEMYRTLE APHID (Myzocallis kahawaluokalani Kirk.)
Georgia. T. L. Bissell (May 17): The crapemyrtle aphid is very abundant
on crapemyrtle at Griffin.
AN APHID (Aphis sambucifoliae Fitch) Mississippi. J. P. Kislanko (May 23): A heavy infestation on older at
Hattiesburg, causing the leaves to turn yellow, was observed on May 2.
JUNIPER WVEBWORM (Dichomoris marginellus Fab.)
Pennsylvania. E. P. Felt (May 23): The juniper webworn was found to be
injuring junipers in the Philadelphia district.
LILAC BORER (Podosesia syringe Harr.) Michigan. R. Hutson (May 20): The lilac borer has been reported from Flint.
A CURCULIONID (Prionomerus calceatus Say)
Mississippi. H. Gladney (May 23): Several of these beetles were collected
on a nagnolia at Ocean Springs on May 9.
MA&GNOLIA SCALE (INeolocanim~ cornupnrvum. Thro)
Maryland. E. NT. Cory (April 15): MaEgnoJlia scale wao found attackine- magnolia
at Pncomokj o City.
HEMISPHERICAL SCALE \'Scissetia hcmisplhacrica Tar-.)
Mississippi. J. G. Hester (May 23): Oleanlders infested17 with this scale
wxere found in Loui~ville on M4ay 2.
ROSE SA79FLY (Calirca aethiops. Fab.) New Jersey. J. S. King (May 10): Adults ofj" the 'Europear. rose slug were
abundant in the. lato afternoon on rose, leaves at Riv,;erton. Larvae
were also present in all1 stages up to 5/16 J-0 iu length on tea roses.
OBLIq.UE-BAIYDED LA ROLLER (Cacoecia roa~onHarr.)
Ohio. E. '1. Mendenhall (May 22): The rose roller is queite bad already in
rose -,ardens in Coliiibus.
Mississippi. C. Lyle and assistants (May 23): !Lv:,=orous complaints of thrips
on roses have been received from various parts of the State, including
Louisville,,Coffeeville, Cleveland, Ocean String;s, nnd Jackson.
ROSE LEAF BEETLE (I',Tdonota punctcollis Say)
Maryland. 47. A. Hyslop (May 30): ?~~c~yevery blossom of rose and
peony in my garden at Avanel is ruined by this beetle. As many as 40
beetles occur in a single peony flovier and as miany as 12 in a rose.
SPIRE.ZA APHID (Aphis spiroL)ecola Patch) Maryland. E. X. Cory (i..-y );Anhids taken on spirea en April 5 at Collcee
Park were determine(' by P. Wi'. Mason as A. spiraecola.
CHRYSkj\TTHIvgJUv LEAF TMIIER (Naponyza chrysanthemi Kowarz)
Mississippi. C. Lyle (May 25): 'gas causing-,, considerable damag-e to verbena
leaves at State College on May 9.
INSECTS ATTAC K ING MAN AND
DO MEST I C ANIMALS
BUCK MOTH (Henileuca maia Drury)
Texas. 0. G. Babcock (May 18): Oak leaf spiny caterpillar first appeared
on live oaks 31 miles southeast of Sonora about April 1, but is now
grown and about gone. Many cases of local poisoning have been reported.
A few parasites are appearing this year.
BEDBUG (Cinex lectularius L.)
Indiana. J. J. Davis (May 23): Bedbugs have been reported from a number
of localities in the State as abundant in homes and poultry houses.
Nebraska. M. H. Swenk (May 20): Complaints of the infestation of houses
by the bedbug were received from Dodge, Madison, Merrick, Custer, and
Frontier Counties from April 21 to May 20.
Colorado. G. M. List (May 22): The hat bedbug' (C. pilosellus Horv.) has
been brought in during the last 2 weeks from Greeley, Loveland, and
Fort Collins. In all cases these were taken in dwellings and were confused with the com-on bedbug.
Delaware. D. MacCreary (May 3): The peak of the flight of Aedes cantator
Coq. in Delaware City occurred on the above date.
Indiana. J. J. Davis (May 23): Mosquitoes have been quite annoying at
Lafayette the past week.
Utah. G. F. Knowlton (May 19): Mosquitoes have been very abundant and
annoying in various parts of northern Utah near niuerous ponds left
by subsiding flood water along various streams and rivers.
Texas. H. E. Parish (jay). Mosquitoes have not yet made their appearar
in numbers to be of economic importance.
SALDFLIES (Culicoides spp.)
Delaware. D. MacCreary (May 12): Sandflies are very abundant and annoying
in salt marshes near Odessa.
Georgia. J. B. Hull (May 25): During the first 3 weeks of April sandflies,
especially C. canithorax Hoff., were numerous around the marshes near
Savannah. There was a marked decrease in the number of adults during tb
last week of April, indicating the end of the heavy spring emergence.
Florida. F. C. Bishopp (May 25): Reports from the east coast of Florida
show that sandflies were unusually bad in that locality during the
entire winter and spring.
TICKS (Dernacentor spp.)
Massachusetts and Maryland. F. C. Bishopp (May 25): The American dog tick (D.
variabilis Say) is rapidly increasing in abundance in Maryland in the
vicinity of Washington, D. C. This species is the carrier of the
eastern form of Rocky Mornmtain spotted fever, and three cases of this diseoso have already been reported this season. Unusual abundance of
the tick] has been reported from eastern Massachusetts.
North Dakota. J. A. Munro (May 18): Rocky Mountain wood tick (D. venustus
Marx.) reported from Amidon (Slope County) by D. E. Lawrence.
(Dot. by C. B. Philips.)
SCREW WORM (Cochliomyia americana C. & P.)
General. F. C. Bishopp (May 25): Hibernation studies show that the primary
screw worm fly overwintered as far north as Valdosta, Ga., and Uvaldo, Del Ri c, Gonzales, and New Braunfels, Tcx. With the coming of warmer
weather the usual northward spread of the post is taking place,
infestations having been reported from Mcnard and Sonora on about April
15, Round Mountain on May 8, and from Adamsville southward on May 21.
Adults were taken at Johnson City on May S. No cases have been reported
this season in Texas as far north as Dallas. The population in the
vicinity of Uvalde built up rapidly during April. One ranchman reported
120 infestations among his animals. By May 21 infestations had become
quite numerous throughout the county.
H. E. Parish (May): C. americana is quite active in Menard County,
Tex., and several collections of larvae have been made from the southern
part of Kimble County. Practically all calves and lambs develop cases
of myiasis. The first infestation of C. americana at Monard was recorded
Puerto Rico. H. L. Dozier (May 25): On May 2, with the opening up of warmer
weather, screw wviorns were becoming more active over the island. A number
of cases were observed in the vicinity of Mlayaguez.
STABLE FLY (Stomoxys calcitrans L.)
Texas. H. E. Parish (May): Stable flies are causing a great deal of annoyance
to livestock in the vicinity of Menard.
A BLOWFLY (Phormia sp.)
Oklahoma. F. C. Bishopp (May 25): Fifty cases of myiasis occurring early in
May in a number of dehorned cattle shipped into Oklahoma from 01d Mexico
were reported. Upon investigation it was found that infestations were
due to a species of Phormia, the black blowfly.
HORITFLY (Haematobia irritans L.)
Texas. A. W. Lindquist (April 30): The hornfly is becoming more annoying at
Uvalde than during the corresponding period last year.
H. E. Parish (April 10): Hornflies first observed on livestock at
Menard. (April 30): Flies quite abundant and causing annoyance to
A BUFFALO GNAT (Simulium sp.)
Kentucky. W. A. Price (May 26): Buffalo gnats appeared in the tradewater
section of Webster, Crittenden, and Caldwell Counties during the latter
part of April and early in May, killing about 100 animals, mostly
horses, mules, and cattle.
Tennessee. New York Times (News Items) (May 7): Dense swarms of Buffalo
gnats, bred during high-water stages this spring, appeared last Sunday
and killed 40 horses and mules in the past few days in Shelby County,
officials reported today.
SHEEP KED (Melophagus ovinus L.)
Texas. 0. G. Babcock (May 19): This wingless hypoboscid fly is rather
numerous this season on sheep and goats at Sonora, Ozona Junction, in
the ranch country in western Texas. This parasite has been introduced
many times from the Northern States and is now becoming established,
or acclimated to this hot climate. Usually it lets up during the hot season but increases as the cooler weather comes on. Complaints are
becoming more numerous.
H. E. Parish (May): Sheep ticks are very abundant on several flocks
of sheep in the vicinity of Menard.
TROPICAL IAT MITE (Liponyssus bacoti Hirst)
Mississippi. C. Lyle (May 23): Specimens of this mite were received from
a correspondent at Raymond on April 22. They were causing considerable
FOLLICLE MITE (Demodex folliculoru Simon)
Mississippi. C. Lyle (May 23): An infeoctatien on a dog was found at 'Test
Point on May 12.
HO USEH 0 LD AND STO R ED PIR 0 DUCTS INSECTS
TERMITES (Reticulitermnes spp.)
Rhode Island. A. E. Stone (May 28): Several complaints of termite prevalence
have been sent in.
Connecticut. N. Turner (May 23): Eleven samples of winged termites, .
flavipes Kol., received and 41 infested buildings examined during the
past month. Reexamination of buildings shielded with copper shows
no reentry of termites.
New York. R. E. Horsey (May 13): Termites reported on May 13 to have
seriously damaaed old shorin of wood left in the ground around the
ffoundations of a modern office building at Rochester.
Delaware. L. A. Stearns (May 12): Specimens of damaged wood fencing received
Pennsylvania. H. E. Hodgkiss (May 27): More than the usual number of requests
for assistance in controlling termites are being received.
West Virginia. L. M. Peairs (KEay 23): In a load of apparently fresh manure
hauled in for garden use in organtown, win. ead forms of termites emerged
in large numbers within a week of its delivery (about April 3) and
continued to emerge for at least 6 days. Exuminatinn showed many workers,
apparently in good condition, not'aithstandin" the disturbance to which
they had been subjected. As late as 1Ma; 15 the remnants of the manure
heap wore examined and workers wore still tc be found, possibly surviving
individuals or a colony.
Ohio. E. W. Mendenhall (May 1): R. flavipes quite bad in some of the old
houses in Sumerford, Madison County,
Indiana. J. J. Davis (Wy 23): The usual enormous number of inquiries about
termites have been received. Over 100 specific requests have been
received since January.
Michi:-an. E. Hutson (May 20): Reports of termite damge have been received
from Holland, Coldwater, Jackson, and Grand Tapids.
Tennessee. G. M. Bentley (April 18): Termites continue to be destructive in
all parts of the State.
UNIVERSITY OF FLORIDA
3 1262 09244 6755
Nebraska. M. H. Swenk (May 20): Fepcrts of damaz7e to houses by R. tibialis
Bks. wore received from Buffalo and Dawes Counties, during the last
month. This is the first report in Hebraska from as far northwest as
Oklahoma. F. A. Fenton (May 23): k large part of our correspondence deals
with the question of termite control.
Virginia. H. G. Walker (May 25): Whnat appers to be the pavement ant
(Tetramoriumr caespitum L.) is causinC: se-ero injury to many eggplants in the Norfoll: district. 1he ants bark t. e stems of the plants below
ground, causing them to dizo.
Indiana. J. J. Davis (May 23): Ants have been f.'.equently reported as abundant in lawns generally over the State.
Minnesota. C. Lyle (May 22): Ants in many forms are very abundant. Nebraska. M. H. Swenk (IMay 20): Complaints of peonies being infested with
ants were received from Dawson, Grecley, and Redwillow Counties. From
Frontier County came the complaint of the common harvester ant
(Potonomyrmex occilentalis Cress.) working in a gardn.
PEA WEEVIL (Bruchus pisorum L.)
North Dakota. J. A. Munro (May 1S): An infestation of pea weevil in stored
seed peas at Letth, Grant County,was found on April 11.
California. R. E. C-mpbeel (May 14): Adults were numerous in a field of
cannery peas in Marin County. In numerous small pods, some of them
not more than 2 inches long, it was difficult to find a single pod
on which there were no eggs, and many of them had 10 or 12.
BROWN SPIDER BEETLE (Ptinus brunneus Dufts.)
Connecticut. VW'. E. Britton (May 19): Millions of these beetles were reported
as infesting grain and grain bag;zs in Tew Britain.
Ohio. T. H. Parks (May 19): Specimens were received from Ross and Auglaize
Counties with the statement that they were infesting houses.
LARDER BEETLE (Dermestes lardarius L.)
Minnesota. A. G. Ruggles (May 22): The larder beetle is abundant on meat at
Saint Charles in Winona County.
ANGOUMOIS GCAIN MOTH (Sitotroga cerealella Cliv.)
Indiana. J.J.Davis (May 23): More than the usual number of inquiries have bee received regarding infestation of Angoumois grain moth in seed corn and popcorn. Most of the inquiries refer to corn held over the second year
in the southern half of the State.