THE INSECT PEST SURVEY
A periodical review of entomological conditions throughout the United States
issued on the first of each month from March to December, inclusive.
Volume 10 August 1, 1930 Number 6
THE STATE ENTOMOLOGICAL
Digitized by the Internet Archive
INSECT PEST SURVEY BULLLETIN
Vol. 10 August 1, 1930 1o. 6
OUTSTANDING ENTOMOLOGICAL FEATURES IN THE UNITED STATES FOR JULY, 1930
Reports of more or less serious grasshopper trouble have been re-
ceived. tot practically the entire country from Connecticut to Cali-
fornia, and southward to Texas. Serious outbreaks have occurred in
northeastern Colorado and parts of Wyoming, Oklahoma, Nebraska, and
South Dakota. Grasshoppers are damaging sugar beets in Utah and small
grains in southern California.
Rather severe damac7e to alfalfa by the pale western cutworm is
reported from the southern tier of counties in Nebraska and the black
cutworm is doing considerable damage to corn and cotton in ,ississippi.
One of the periodical outbreaks of the white-lined sphinx occurred
this year in parts of Wyoming and Nevada. The enormous numbers of
caterpillars attracted considerable attention, though but little damage
White grubs are seriously abundant throughout southern Wisconsin
and south-central Minnesota, westward into eastern Iowa, and Nebraska.
As is to be expected with the extremely dry weather prevailing
over much of the country, damage by the red spider is occurring from
Virginia southward to Alabama and Mississippi and westward to ITorth
Dakota and Nebraska.
The Hessian-fly situation in Ohio seems to be generally favorable
except in Butler County in the southwestern part of the State, where the
insect occurs in threatening', numbers at the present time. The outbreak
in souThcai!tern iLebraska, although one of the most intense recorded
for that State, did not result in very decided crop losses owing to
extremely favorable growing conditions.
The green bug was quite generally prevalent during late June and
early July in parts of 1,inncsota, the Dakotas, N1braska, and Colorado.
The severest infestation of the fall armyworm in Florida since
1912 occurred during the latter part of June and in early July. Similar
damage was recorded from parts of Georgia, Alabama, Louisiana, and the
southern two-thirds of Mississippi.
More or less serious damage by the corn ear worm to sweet cern
is being reported from practically the entire United States east of
the Rocky mountains The stalk borer is also' quite generally'prevalent
over this same territory.
A recent intensive survey of southern Idaho, to determine the
relative abundance of the alfalfa weevil, indicates that this insect
is most numerous in the southeastern one-third of the State along the
Snake River from Fremont County on the eastern border to Twin Falls
County on the southern border of the State. The infestation is very
light over the southwestern and south-central parts of the State. A
detailed report of the survey is included in this .number of the Balletin.
The codling moths of the second brood were emerging in very
threatening numbers during the first half of July in Ohio, Indiana,
Illinois, and northern and central Missouri.
Apple leafhoppers were rc0rortcd as .unusually abundant throughout
New7 England and the Middle Atlantic States west-ard to idissouri, Iowa,
An outbreak of the Colorado potato beetle 'has been discovered
in Canyon County, I-, a previously noninfested territory,
The potato leafhopper is appearing in rather large numbers
throughout the potato-growing sections of Michigan, Wisconsin, Minnesota,
and Iowa this summer, where damage is already being noticed.
The harlequin bug is unusually abundant this ycar in North
Carolina, Alabama, and Mississippi.
The Mexican bean beetle is being quite generally reported through-
out the entire infested territory, but the infestations in the northern
part of its range do not seem to be so serious as they w~rc last year.
More or less serious damage by the onion thrips is reported from
New York, Virginia, Illinois, Iowa, and Utah.
The elm leaf beetle is appearing in outbreak numbers throughout
New England and southeastern New York State. Severe outbreaks are also
reported from points in Ohio and. Kcntucky.
The spruce budworm seems to b2 quite gcne.rally prevalent over a
large part of Michigan and Wisconsin, with serious outbreaks in parts
Very serious damage to Asparagus plumosus has been reported from
the commercial ferneries in Palm Beach County, Florida, -hc.re a cicada
(Diceroprocta viridifascia '.;alk.) is killing out the plantations, the
nymphs feeding on the roots of this plant. Another cicada (Tibicen
cinctifera Uhler) is emerging in large numbers in Phoenix, Ariz., and,
though swarming in the citrus trees, has, so far, done. no commercial
OUTSTAITDING ENTOMOLOGICAL FEATURES IN CANADA FOR AUGUST, 1930
Cutworms have continued to cause serious damage to field and garden
crops, particularly in the Prairie Provinces. The outbreak of the pale
western cutworm is heavy and widespread in Saskatchewan, and general in
Alberta, and the red-backed cutworm has occasioned much crop loss in
southwestern Manitoba and southeastern Saskatchewan, and in Alberta.
Grasshoppers are a serious pest on the Chilcotin ranges, in British
Columbia, but elsewhere in the Dominion no outstanding crop damage has
Extensive and heavy infestations of the Colorado potato beetle
are noted from sections of the Maritimes, southern Ontario, and southern
The striped cucumber beetle has increased in abundance over 1929
in southern sections of 1Ijv Brunswick and Ontario.
Cabbage and onion root maggots are reported to have shown a material
increase in numbers over last year in southern Alberta and the Okanagan
Valley, British Columbia.
The fruit-tree leaf-roller occurred in injurious numbers in orchard
sections of Ontario, north of Lake Ontario.
The ugly-nest caterpillar is reported in abundance on choke-cherry
in southern sections of New Brunswick and Manitoba.
The raspberry cane borer has increased markedly in southern Ontario
and southern Quebec.
In the orchards of southern Quebec the apple curculio is proving
to be the worst insect pest of the season.
The rose chafer occurred in destructive abundance in sections of
Th- green apple aphid which was an important pest in fruit-growing
sections of the Dominion in 1929, has been noted as troublesome only
from th3 Okanagan Valley, British Columbia.
The outbreak of the black-headed budworm affecting balsam and
spruce in southern Cape Breton Island, Nova Scotia, continues severe.
A serious outbreak of a tussock moth species, Hemerocamcoa
pseudotsugata McD., on Douglas fir, developed in certain sections of
British Columbia, and, in the same province, bark beetles are gradually
killing off pure stands of lodgepole pine.
In Quebec, along the north shore of the St. Lawrence River,
indications are that the hemlock looper outbreak will continue severe
during the present season.
For the first time on record the satin moth has been found in
eastern Canada, in the Maritime Provinces. Two local infestations
were discovered, one on willow at Annapolis Royal, Nova Scotia, on
June 25, and the other on poplar at Moncton, New Brunswick.
In districts near the Saskatchewan River, Saskatchewan, the
attacks of black flies on livestock have been serious. At one locality,
Naicam, the deaths of 50 head of livestock have been caused by thise
GRASS :GFr3R2 (Acri6.idae)'
W. A. Price (July 25): Grasshoppers are very abundant
on corn and tobacco in the Bluegra-ss Region.
A. G. Ruggles and assistants (July): Grasshoppers are
occurring in moderate abundance in the southwestern corner
of the State.
H. C. Severin (July 18): Grasshoppers (Melanoplus
differentialis Thos., M. bivittatus Say, M. atlanis Riley,
and Mv. femur-rubrum Ded.) are very abundant over the entire
State except the southeastern corner.
C. J. Drake (July 23): Grasshoppers are moderately abundant
to very abundanmt over the entire State, doing a considerable
amount of damage; no outbreaks. '
K. C. Sullivan (July I): Grasshoppers are general and
M. H. Swenk (June 15-30): Gr shoppers (Melanoplus pp.)
were reported abundant in the Platte Valley, Tr.om Tearney to
North Platte, both in alfalfa end flower gardens, during the
closing days of June. (July 1-15): M. differentialis Thos.
continued to be reported as injurious in eastern Nebraska,
especially in flower gardens, during the period July 1-15.
(July 18): Grasshoppers are moderately abundant over the
C. F. Stiles (July 19): It seems that thehoppers are
increasing in southwestern Oklahoma.
G. A. Bieberdorf (July 20): Grasshoppers are moderately
abundant in southwestern Oklahoma.
W. B. Mabee (July 22): There is a rather severe outbreak
cf Camnula DelHlcida Scudd. in the Centennial Valley in
B3averhcad County. Control operations are under way. Grass-
hooppers are abundant in Cascade and Petroleum Counties.
A. G. Stephens (July 2): Grasshoppers are reported on
the upland of Johnson County. (July 10): On the upland in
C. P. Gillette (July 21): Grasshoppers are very abundant
in northeastern Colorado,- worse than for many years.
Ari z na
G. F. Knowlton and M. J. Janes (June 28): Grasshcopers are
very abundant, dancing sugar beets at Layton. (July-8):
Grasshoppers are present in damaging numbers in the area
west of Smithfield. (July 19): Grasshoppers are very
abundant ovor most parts of northern Utah; often damaging
C. D. Lebert (July 25): Several, species of. grassh:ppers
are very abundant in the Salt River Valley, at Phoenix.
'M:nthly News Letter, Office of.Los Angeles County, Agr.
Comr.,.-Vol. 12, :r. 7 (July 15): Approximately $2,000
worth nf damage has b..en done by grasshoppers in the Ridge
Route area in the vicinity of Bailey and Quail Lkes
during June, according to the estimate of Geo. Murphy. He
states that the daqge was principally to late wheat and
barley and almost all on .ne ranch. One grower sustained
a loss of approximately $1,500 and another was damaged to
the extent of $500. Approximately 10,000 acres were in-
:IORM4ON CRICKET (Anabrus simplex Hald.)
1. B. Mabee (July 22): The Mormon cricket outbreak in
Sanders County is completely under control.
H. B. Peirscn (July 22): Cutworms are very abundant in
H. E. Jaques (July); Cutworms are moderately abundant
throughout the State and very abundant in the western and
southern parts of the State.
M. H. Swenk (June 15-30): During the third week in June
numerous complaints were received of damage to the newly
starting second cutting of alfalfa hay by the variegated
cutworm (Lycophctia mararitcsa Haw.). These reports came
chiefly from the southern tier of counties, from Gage C-unty
on the east to Furnas County on the west, and north to Hall
County. In a number of fields the damage was severe.
R. W. Earned (July 22): During the last weak in June and
the first week in July several complaints were received re-
garding injury to ycung corn and cotton by the grcasy cutwerm
(Agr-tis ypsiln Rott.). Specimens collected on corn were
received from Holm^s, Tallahatchie, Lincoln, and DeSot:
Counties. Specimens collected on cotton were received fr:m
a correspondent at Belzoni, who reported that several hundred
acres of cotton in that vicinity had to be replanted because
of this insect.
Montana W. B.; Mabee (July 22): Porosagrotis orthogonia Morr. has
done considerable damage in the central part of Miontana, just
how much will be very difficult to determine as the dry weather
has ruined-practically all of the crops in the area where this
cutworm was abundant.
Oregon L. P. Rockwood (July 3): Larvre (Pr-dcnin praefica Grote)
-average hardly one-half grown, so there will probably be
appreciable injury to alfalfa at Central Point, Josephine
County, within th next two or threc weeks.
;TITE-LIYED SPHIINX (Celerio lineata Fab.)
7yoming A. G. Stephens (Tslegrm) (July 3): Outbreak of army7orm
near Douglas. Lives on burdock or any broad-leaf forage plant.
Nevada T. E. Biuckman (June 27): Specimens were secured near
Yerington. Similar worms are reported from at least three
other sections of the State and apparently they are moving
in off the desert. These were reported to extend over an
area 75 miles in length near T:nopah, and were reported to
be very near our cultivated area. This year snowfall and
late rains caused a great number of flowers to spring up
throughout the State in the sagebrush c.untry.
Vermont H. L. Bailey (July 5): ilireTwrms are very abundant in
Shrewsbury, Rutland County, destroying potato aeed pieces.
Wisconsin E. L. Chambers (July 18); Reports are being received from
various sections of southern Jisconsin to the effect that
noticeable injury is taking place. *ireworms are also
moderately abundant in truck gardens in the vicinity of
Iowa C. J. Drake (July 23):. .iroeworms are reported on corn by
farmers in northeastern and south ,.storin Iowa, and are re-
ported here and there as abundant.
Utah G. F. Knowlton (July 8): .Wireworms are seriously damaging
the wetter part of one sugar-beet field at Smithfield.
(July 11): Wireworms have taken 60 per cent of one field
of late-lanted sugar-beets at Benson, in Cache County.
Sixty-eight wireworms were taken within a radius of 6 inches
on a beet in the ten-leaf st;'go.
.7HITS GRUBS3 (Phyllophaga spp.)
Ohio E. .. Mendenhall (July 10): The lantana planted in the
field is badly affected'with white grubs in som. of the
plantations at Springfield, Clr-rk County. (July 24): The
loss of spruce evergreen plants was 80 per cent, in one of the
nurseries located at Nl", Vienna.
J. J. Davis (July 25): White grubs observed July 10
damaging strawberries at Hudson.
E. L. Chambers (July 18): White grubs are very acundr nt
nnd doing serious injury to corn,. str,.7berries, and -otatoes.
Cornfields throughout southern Wisconsin are suffering
seriously from white-grub attack and the lawns in m-ny of
our cities are being destroyed, as well as many golf courses.
Dry hot Tepther apparently is making these losses much
greater than usual.
A. G. Rug.les and assistants (July): R.-ports of moderate
abundance have been received from scattered loca-lities in
C. J. Drake (July 23): White grubs are moderately to
very abundant in eastern Iowa. Brood A is doing mich damage,
''. H. Senk (July 1-15): White grubs continued to be re-
ported doing darm-e in g-rdens during the period here covered.
(June 15-30): Repor.ts of damr .e in stra-wberry beds continued
to be received during the month of June.
G. F. Knowlton (July 3): White grubs are damnaging sugar-
bets in some fields at Ogden and Axtell. (July 18): hite
grubs are damaging a fet: fields of sugar-beets in lower areas at
L-ke View and west of Provo,
PLAINS. FALS'.'IRiOB.: (Eleodes opaca Say)
F. L. Thomas (June-July): "aroworm adults probablyy '
Eleodes opcr. Say) .'cr.e very abundant.ovor the entire -heat
rir;a of the Texas panhandle in June.
ROSE CHAFER (Macrodactylus subspinosus Fab.)
Weekly Uews Lett-r, N. Y. State Coll. Agr. (June 30):
Rose chaferss are numerous in a'few grape vineyards in
Dutchess County. .'They have caused considerable injury in
a small section in .7.yne County.
E. 7. :endcnh.ll (July 2): The rose chafer is quite bad
on y:ung nursery stock at Mt. Vernori, Knox County.
RD SPIDERa (Tctrnnychus tolarius L.)
G. E. Gould (July 21): Red spiders have bscn quite abundant
this ywar and rre causing considerable d-'m-ge to snap beans.
Injury to evergreens has also been reported.
..;.. :nd1nhll '(July 24): The xt.end-d drought-hs been
favorr'ble for the r.ed spider, 2nd it has bLcoM. very injurious
to evergreens in nurseries ia Clark County; arborvitaes
and other evergre-ns, and hollyhock have been infested..
J. J. Davis (July 25): The red sDider was destructive
to evergreens at 'Te, Albany June 22 nd Ilwoj Jun-. 26 and
to bans at Greencastle July 17.
a. A. Price (July 25): -he r-i slider continues to be a
serious pest on the >vergrzens. It w7as also fjzi doirn
much iaue to ir"p.vin"s at E- .rl.
E. L. Chambers (July S18): One of t h.U hnvicst outbreaks
in y-ars has been -. -ri.nccd in .Tisc in this su:r. ".e
evergreens show the greatest injury, t'- nurs-rv inspectors
are finding heavy losses to many shade tre-s, shrubs, and
poren.isls, wing to hot dry -eather over a period of several
J. A. :.:unro (July 17): A number of rE:orts of the red
spider have b---:n received particularly from counties along
the Red River Valley. LMost of the injury is to raspberries.
C. J. Drake (July 22): The red spider h-s been "nusu'lly
abund.int and destructive to conifers in the State. Mny tr-;
have been badly discolored.
J. .. Robinson (July 23): -.. red spiier is abundant at
..arion and Tuscu.bi .
R. '. Earned (July 22): Reports regarding heavy infestations
of the red spider on cotton and also on various orr.-.-Ontal
-olants have been received from many sections of the State,
includin- Tishninr.o, dlcorn, Lee, Calhoun, Tallahatc'-aie,
Hinds, i.tarsh-all, and Hti :hreys Counties.
C. Hines (July 20): '_. red spider is very abundant on
arborvitae at Yazoo City.
H. E. Swenkl (June 15-20): About the usual number of colrints,
beginr.ing June 25, w.re received during the last few dys in
June relative to the infestation of spruce trces. :hese r-:,orts
co-:- chiefly from the eastern half of the State.
CE R AL AIID FORA..G -CP CROP INSECTS
,:- .-.T 2,'D S..,jL ,j2\A.I
:sI.:; FLY (?..htoph;:-. destructor Say)
T. H. Parks (July 15): T'%nty counties -ere visited on the
annual -he-.t insect survey. In only Butler C)unty, southwestern
Ohio, was there zsa sufficient infestation of the fly to
cause any serious loss to this year's crop. This is the
county where the infest-tion centered last year. In the
oth;r counties the fly has increased slightly. The average
for the twenty counties this year is bettezn 6 and 7 per
cunt. T.. inf station is -uitc satisfactory excepting in
Butler County .nd those counties whichh immodir.tely surround
thn't county. Following -.re the percent.rges of infestation
found in the counties visited:
Clcrr ont ........................
hi--l-.nd ....................... .
.i ?1;.mi ...........................
Pick:-y y....... ............
R. H. Pettit (July 18): The Hessian
fly is moderately
E. L.Chambers (July 18); The Hessian fly seldom appears
-,s doing any damage in ,isconsin but a field of winter wheat
near ITe'7 Holstein ras found quite heavily infested -ith
H. C. Severin (July 18): The Hessian fly is moderately
abund-nt in Union and Clay Counties.
C. J. Drake (July 23): The Hessian fly is very abundant
along the Missouri River in -cstern Iowa. A fe7 hundred acres
of wheat totally destroyed.
H. E. Jaquen (July): The Hessian/is moderately to very
atunrrint 1n the southern half of tho State.
I ? ^. (July 26): In ccntri1l !issouri the flax-s2dA
str.e in the r ibble is vory 'bjund-.nt.
M. H. Swenk (June 14-30): The last cycp of Hessian fly
damage in :'bv-- ai had been in the winter wheat crops of
1921--22 to 1925-26, r:.-chin its crest in thct" of 1922-25,
no cofrmercial damage occurring in the winter wheat crops of
1926-27, 1927-28, or 1928-29. After the 1929 harvest, ho-wver,
scattered and mostly light local infestations of the stubble
with Hessian fly puparia were to be found, and a fall brood
of some stren-th was fouiid to be active during the month of
September, presenting much -ore evidence of the presence of
this pest than there had been during any of the preceding
thrc, autumns. During October, 1929, the fly was found to
be present in 22 counties in southeastern Nebraska, and in
several of them very threateningly. The infested area
included solidly all of the counties south of the Platte
River and west to Polk, York, Fillmore,. and Thayer Counties,
with an extension-- southwestward along the Platte that in-
volved most of derrickck and Hall Counties, and parts of
Ha-nilton, Adams, and Kearney Counties. In areas that
iLnvolved central Cass and Otoe Counties, Nemaha County, western
Richardson County, Pawnee County, central Gage, Jefferson, and
Thayer Counties, southern Seward, eastern York, southern
Polk, '. I, eastern derrick southwestern Hall,
-nd southern Kearney Counties, there was an infestation
of from 5 to 30 per oent of the wheat plants in the early-
sown fields, and an infest-tion of from 60 to 80 per cent
in the volunteer wheat. Outside of these areas the in-
fitration ran less than 5 per cent in the early-sown wheat.
D7 tge to early-sown fields began to show up bout October 1,
and numerous reports of injured fields were received during
Emergence of the spring brood of the Hessian fly started
early in April, and reached its height bout the middle of
that month. The effects of the development of a heavy spring
brood of larvae began to be evident ir/che early-sown fields
about the middle of :.ay, and were exceedingly apparent during
the last 10 days in May. The area most heavily infested and
injured included a block of counties centering around Lancaster
County, and in this area there was considerable plowing up
of b'dly injured or ruined wheat fields from May 20 to June 1.
A.ore accurately outlined, this area in which fields were
plowed up during late May included Lancaster, Saunders, Cass,
Otoe, Johnson, western Ncm-ah-, northern Pawnee, Gage, irthern
Jefferson, extreme northeastern Thayer, Saline, extreme eastern
Fillmore, Se-ward, and most of Butler Counties, with an isolated
area in southern icrrick -nd western H-milton Counties. In
this area the general infestation ran from 75 to 100 per cent.
An area of nearly equally gen-rr.rl infestation, but in which
the damage was not so heavy as to necessitate plowing up of
fields, occurred in southern Jefferson, eastern Thayer, central
Fiillmore, southeastern Dodge, and southern- ;ashington Counties.
Anr are, of infestation of from 50 tc 75 per cent occurred in
t. thrin Polk, ecrsto.rn H-milton, and northern York Counties.
In eastern ITD_.2, eastern Richardson, and sternn Thayer
Counties the infestation ran from 25 to 50 p:r cent. In-
fest&tions of less than 25 per cent were found in Sarpy,
DoiWls, central Dodge, southern Colfax, southern Platte,
and eastern iiance Counties, and, farther westward, in
Phelps (a general infestation) and PRedwillow Co inties.
Ey May 26 about 75 per cent of the larvae had entered
the pupariunm'stage, and by June 10 adult flies of the
supplementary spring brood w-ere emerging over a large
area. The intensity of this e&rgn,':e varied greatly.
In southern Sa.nders County, fields -Ere found in which as high
as 60 per cent of the spring-brood puparia had given up
thei' flies by June 16. In L-ncaster County north of
Linco' n 'bout 22 per cent of the st.ring-brood pur-ria -ere
empty by June 18, while south of Lincoln about 20 per cent
had emerged by that date. 7he late occurrence of the larvae
of the s jpplemcontary spring brood and the early ripening
of the 7heat, however, prevented this brood from doirg a
great deal of d e to the crop.
Now (J:my 17)-that all of the wheat in southeastern
JEebra>.a has bs.on cut. it is possi-le to report upon the
genf.al effect of the above inestation on the yield of
grain "n this section. Fields with an infestation of from
75 to ,C0 ppcr cent, mostly early-sown fields, that were
not badly eaougb injured to justify being plowed up during
the 'ast n a 3n May, show a red:ctr-ic: of about one-
thiid from tle norral yield. Gen ral corni'ions for the
growth of the wheat were so favorable, however that this
reduction of yield in the heavier infested fields is not
obvious in the general average yield of all fields in the
affected counties, which will be about 19' bushels to the
acre, decidedly above the average yield for this section.
Washington R. L. V0ebster (July 2): Infested wheat plants were sent
in from Mossyrock in eastern Lewis County under date of
Oregon Ore. Agr. Coll. Fxp. Sta., Circular of Information No. 34:
"Flaxseeds" of first generation were found A-il 25 about
two weeks earlier than usual. Infest-tion of winter -hc.at
-andi early spring-sown wheat by the first spring brood is
heavier than normal in Tiashinfton and Yarhill Co'.Mnties.
Conditions appear favorable for a 3arge and early second
brood. (. 1,1x :. Reeher)
',7EEA STEM MAGGOT o-rz ric-n" Fich)
!.ichigan R.. H. Pettit (July 9): The heat stem m,-:,-:ot apre-red
at Mulliken r-ccntly.
Minne,-sota M. A. Thorfinnson (July 24): Some wheat stem mai.-ots
are r&oorted in wint.r whet.
M. H. Swerk (June 15-30): The first report of trouble
with the whea.t-stem mr r,.ot for the season involved a case
-of 15 per cent.damage in a field of rye in debster County,
reported oi June 28.
W-....T -JOINT TLM (Hrmolita tritici Fitch)
T. H. Parks (July 15): This insect was found to be on the
increase in all parts of the State. Some fields were found
to have as high as 30 to 35 per cent infestation, but this
did not cause or any perceptible loss.
Gu7zII BUG (Toxoptera graminum Rond. )
Minnesota L, Sbeldon (July 9): The green bug is moderately
abundant on grain in the northwestern part of the Lac qui
North Dakota J. A. Munro ((July 17): Of the various pests affecting
cereal crops, the grain aphid has proved, the most serious
so far this season.- Reports have been received from county
Agents and farmers from Jard, Stutsman, McLean, and Grand
Forks Counties regarding serious local infestations.
In a n'.imer of instances, the reports indicate that grain
fields had'been totally destroyed and farmers were plowing
under these fields. '-The larvae of the western syrphid
(S.1hus1 oni'nator 0. S.) and. ladybird beetles were observed
feediing-'on the aphids in samples of infested grain sent in
t tothis office for identification. Apparently the natural
enemies of the-aphids-began activities too late to prevent
serious injury to crops this season, .
South Dakota'' 'H. C. Severin (July l):z The green bug did much damage
.to small g:-ain.
Nebraska M. H. Swenk (J-ne 14-30): During the period from June 14
to 30; 1930, Nebraska experienced its first wide-spre'od and
destructive outbreak. In the spring of 1907, .-:.n this p-st
was so destructive in Texas, Oklahoma, and Kansas, its
parasites had gained control by the time it reached Nebraska,
and no coricmercial damage was done in this State. In late
October and Kiovember of 1910, 1920, and 1924, there were
local and unirrpbrtant outbreaks on the winter wheat re-
spectively in Polk, Dodge, .,-cders, $ Butler, -nd Phelps
Counties, while in June of 190 and in 1928 there were
.scattered infestations 'respectively in' the what and oats
in Sarpy, Webster, and Harlan Counties and in the oats in
Holt County. In neither of these sprigs, however, were there
*' any important-'crop losses, as there were during the present
outbreak. .". -: ..
The present outbr,ak began in.south-dentr.l 11ebraska, in
Kea'ney, F-anklrn, and ';ebster Counties,. June 14 to 18.
The infestati on was in the wheat, oats, and corn. Corn-
felds -re badly infested. ";.'h.-re cor,-, wa. next to infested
wmheat or oats or where it had been planted on wheat grcu.nl
and there was volunteer wheat in the field. The wheat and
oats were quite seriously injured, and in numerous instances
the corn near wheat fields was entirely destroyed. By June
21, a week after the first retorts of injury had been re-
ceived (from Kearney County), the pest had spread west to 5undy
and Lincoln Counties. Injury in Dundy and Lincoln Counties
continued to be reported until July 1. In these more western
counties injury to wheat and oats was very marked, and fields
were reported as being destroyed. During the same period
serious injury was found to have extended into Nuckolls
County, and the pest was found as far east as Lancaster
County, though in the latter county the infestation was
relatively light in most of the fields, and, with a few
exceptions, no commercial dc'-e. 5m was done,
During the follofin- week, June 22 to 28, the spread
of injury c.ntir_-:d westward and r.rthwaid. The center of
i.n jury northward was in Pierce, -.;adison, Antelope, Holt, Wheeler,
and Greeley Counties. In this district it was the oats
that suffered. the rmot. The insects were present in many
fields in ti '-dous abundance, and the farxers rep-'Ated
the fields cdstroyed in a lar-e r.-:btr of cases, between
June 22 and July 1. The d.uage in Holt County was worst
in thQ vicinity of Atkinson, C'Neill, and Chambers, chiefly
in oats but soz-m in barley, and reports indicated the
kil1inug out of a nurmbc-r of fields. In southern ,Theeler
Cou:'', around Ericson, the oat fields were, in general,
badly inf sted and dur-r.z: the last few days in June the
killed areas were reported as havin- spread greatly. In
Greeley County the oat fields around Spa.lding and Greeley
were reported as being very heavily infested June 27 to July 1,
and undoubtedly hundreds -of acres in this vicinity were
badly injured or destroyed.
During the scane week, June 22 to 23, the area of injury
extended westward also. In rundy, County the de, which was
first reported on June 21, had extended by June 26, and
fields of wheat, spelt, and corn were reported to be badly
damaged or destroyed. June 26 ar.d 27 oats, spelt, and corn
were reported being destroyed around Imperial, Chase County.
The bugs were reported as "very thick in the air" and "coming
in clouds," and destroying fields within a few days. By
June 28 oats and barley in Keith County, around Ogallala,
was being badly injured, and on the sa.,e date oats in l'orrill
County, around Bridgeport, were fo'ind badly d.-_,ed.. The
coming of hotter- and drier weather toward the end of June
chezc'i the zspr-._d and injury during the closing few days
of the noonzih, -.nd the outbrEk w;-s on the wr. ine ovFr noat
of the infestc.d areas by Jul:, 1.
ENGL1ISH GRAIN APHID (Macrcsi.phmn pranarium Kby.)
G. G. Schcis (July 16): Very abundant on fields of spring
wheat in Lyon and Washoc Counties, apparently causing some
dwarfing cf heads. Ladybird beetles are very abundant and
apparently will clean them up.
Sz`T BEETLE (Phalacrus politus Melsh.)
M. H. Swenk (June 15-30): The smut beetle (Phalacrus
jolitus) was reported as abundant in fields of smutted
wheat in Clay County during the last week in June,
F.JLL AFJ.iYT,.OBM: (LaPhyma frugi-oerda S. & A.)
"The News & O.:ervor" (July 7): County Agent N. M. Smith
has discovered heavy infestation of the armyworm on more
than 50 farms in Onslow County,
J. R. Watsnn (July 18): T'-e last days of June and the
first days of July witnessed the heaviest infestation which
Florida has experienced since 1912. The worms were trouble-
some in areas ranging from the Eve.rglades to extreme western
Florida, although not present in all communities between,
They attacked mostly grasses. Damage was extensive to late-
planted corn, cotton, and peanuts. By the 12th of the month
they had pupated in central and southern Florida, and a few
days later in western Florida, Moths began to emerge on
July 19 and there are prospects for a second brood soon.
In all. of these infested fields the ladybird beetle
Hipodamia convergens Guer. has developed an enormous
abundance and is doing wonderful work in the natural
control of the aphid.
M. H. Swenk (July 1-15): As stated in my special report,
dated July 3, the Nebraska outbreak was on the wane over
most of the infested areas by July 1. The last reports
were sent in on July 7. These related mostly to infestation
in oats, and to a less extent in spring wheat, spelt, and barley,
in thz block of counties including "adison, Antelope, Holt,
Wheeler, G.eeley, Valley, Garfield, Loup, Rock, and Brown.
In the western area the last complaints were received from
Lincoln County on July.l, from Scotts Bluff County on July 2,
and from Keith County on July 7.
C. P. Gillette (July 21): The green bug is very abundant
in eastern Colorado. From Cheyesne County north on late-
sown graiL.ns .'.ore serious than for many years.
t* 4 *
0. I. Snapp (July 15):; The fall armyworm has done con-
sidera'.edaoe. in several localitieasin Houston County.
Infcsttiions Lave been hevy in a rinubes of southern Georgia
CO-u iti e s..
T. OfNeill (July 4): -The fall armrwor. is reported by
property owners as doing serious damage at Atlanta and
Valdosta to golf courses and lawns, Bermuda grass, corn, and
millet. This insect is also reported at Thomrston.
J. M. Robinson (July 23): The fall armyworm is generally
distributed over the State causing serious damage to corn,
sorghum, sugarcr.ne, soy beans, and various grasses. There
is a general outbreak.
H. E. Hinds (July 26): The fall armny-'orm has occurred in
damaging numbers in only a few loc-litics. However, worms
have been fairly common and full-grown larvae Tere crawling
r.cross walks in small numbers' at Louisiana State University
in the middle of Jdly.
S* R. .i. Harned and assistants (July): This insect is occurring
Sin abua.:1nce over most of the southern two-thirds of the State.
SThe following host plants are being attacked: B3ans, corn,
cotton, -lEdio.us, peas, sugarcane, soy e?.s, rutabEgas,
ve' vitbe,-ns, Fnd zinnias.
A.RMYRi.0 (Cirphis uni u-ncti Haw.)
.H. Swenk (June 15-L2O): On June 28 the true armyworm
was reported destroying corn in Hall County 'nd sweet clover
in iTuckolls County.
A. G. Stcphens (July 2): Armyw-orms arc reported in the
upland of Conv'rse County.
C0Grc :.R NORM (Heliothis obsoleta F'-b.)
W. E. Britton (July 24.) This insect has been reported
as attacking corn at New Haven, Dcrby, and Groton. Reports
have come in earlier than' usual.
L. A. Ster.rns (July 2): Several inquiries received during
the first:week in July at Carzden.
L. M. Ppeairs (July 23): The corn car Torm is unusually
abundant in Miorgantown and other places.
T. H. Parks (July 15): The corn ear worm did some di.mage
S by burrowing into egrly tomi.tOLs long the Ohio ii;vr. Each
year this insect.' brings itslf'"to the attention of the tom:.to
grovwers, who harvest their crop early in this section.
'J. J. Davis (July 25): The corn ear worm is more abundant
than in 1928 and 1929, when it was practically absent. June 28-
July 11 this insect was reported feeding in the green tassels
of corn at Nashville, Booneville, and Brooksville.
7. P. Flint (July 17): The corn ear worm is causing rather
heavy daRmao to early sweet corn throughout central Illinois.
W. A. Price (July 25): The corn ear worm is very abundant
in the Bluegrass region.
A. G. Ruggles and assistants (July): The corn ear worm is
moderateljy abunc.ant at Brainerd, Crow Wing Courty, and in
Blue Earth County.
H. E. Jaques (July 25): The corn ear worm is moderately
abund nt in Plymouth, TVinneshiek, and Jefferson Counties.
L, Haseman (July 26): SwoeC corn and early field corn
are badly infested.
STALK BORER (ni-ieien jbris nitela Guen,)
'. A. Price (July 25): The corn st-'k borer has done
much darnge in Kenton County and at other scattered points
in the State.
E. L. Chambers (July 18): Several patches of sweet corn
and many gardens in the southern part of the State have been
M. H. Swenk (June 15-30): First reported this season from
Richardson County on June 12. During the last four days in
June numerous additional reports of stalk borers in corn were
received, these including an area north and west from
Richardson County to York County and :.:adison County. These
reports indicated damage varying from the partial destruction
of the outer row or two of the corn plants, to an amount
approximating 10 per cent of all of the stalks in the field.
(July 1-13): The stalk borer continued to be reported in-
festing corn during the two weeks here covered. These reports
c7me from the region include! within Burt, Butltr, Holt, and
Pierce Countic-. Actual damage by this insect was apparently
light, most of the reporters merely fearing possible additional
LESSER CORN STALK BORER (L-.lasmopIrpu lignoseollus Zel,)
R. W. Earned (July 22): A correspondent at Ethel, Attala
County, sent to us on July 16 specimens with the report that
these insects were injuring corn in tht vicinity,
C'.i:iCZ' E1(issus I,.co-'%0 -u Say)
E. P-. Felt (July 26): There .as a somewhat marked though
probably ],cal infestation b.7 the chinch bug on lawns in Fort
Ch st i'7ha Greenwich, Conn., in the case of the fo.--.r,
areas of possibly a quart'0r of 'an acrebeli.- aLmost entiil.y
T. H. Parks (July 15): The chinch bug is almost entirely
absent froix our Stt in spite of the very dry sprir.n and
csu10cr. None obe obs;vvcd by i'he DntomolcgisZs on the wheat-
insect survey .r.. ro, reports have been' received of th: insect
P7%. p. Flint (July .17): Throughout much of the central
and scuth-ce:Lralr parts of Illinois the rainfall hs been very
much less th*n normal, md the temperature has been quite high
durin- the':-o-.ths of April Fnd :-y and the first half of
July. This has providCd an i.al condition for the c-inch
bug and che smzll numbers of bugs presenr.t early in the- season
have nrr.ucCd a maximum o nir-aber of offscrin- so that slight
dago hsas occurred to corn adjoi .ing wheat in Christian,
vic S, Sn-,r-.n, Cass, Sheby, and a few adjoining south-central
IoE'. H. E. Jv.-L;s (July): The chinch bug is reported absent
except in Clay and Jackson Counties :,hero it is scarce.
I Ib r-- k-.
L. Has :-~n (July 26), Sevwr?.l counties in central Missouri
are b-dly overrun. Th.YPre mostly ined and now in corn.
C. F. Stiles.(July 19): Chinch bugs are v.ry abundant in
the north-central and southwestern parts of the State. Con-
si_.rabil injury is being done to feed cro-s.
R. 'i. Hzrned (July 22): Three repc-'ts r.-rd.ng infestation
Of corn have been received at this Jf' e -rnJ :.:ediua
injury. to corn was- report d from -. .I c ... .
on July 19. A slight infestation -%....S S'-.n-
flo"er County, o., July 5. A co a e'por'r'lt :-.o, De Soto
County, sent in the follo-Tirg re- c' e ..y 1.:: "2ney have
destroD-d the corn and grass in this r iclr field."
CORN BILLBUGS ( OflEJoo> uS spo.)
K. C. Sullivan (July I): Corn billbugs are serious in the
lo'7lands in c.utheastn rnisou.
M. K. S"-enk ( e e )I .,.u. the mi dlc of Junc corn
.bill'. w,--e '. c:- 1 in th' sc.-thes err. -rt of
ITr -- Coun".y. Laz .. "
Sp r.' Coun.y. pcs concerned were :_..rn3 horus e-eu.-lis
Gyll. ind S. Iiunocc. luc F,-b.
CT.R AT" FA..A. CC'7P EAS
ALFALFA WEEVIL (Phytonomus posticus Gyll.)
C. Wakeland (July 26): Between June 6 and July 11 a
survey was carried on in all of the alfalfa-growing sections.
of southern Idaho with the following results:
Average number of larvae and adults per 100 sweeps of the net.
Ada ................ ..
Adams .. ...............
Boise ............ ....
Bear Le/e ...........
Camas ............ ...
G.o G+. Schweiss (July
damonged the fruit crop
Twin Falls .......
21): The alfalfa weevil very badly
in sections of Reno.
SAYS BLISTER BEETLE (Pohopoea savi Lee.)
H. L. Bailey (July 5): Sa.yTs blister beetle has been rc-
ported from Iorrisville, Wells River, and North Calais. Adults
clustering on locust and later on clover. No serious dwr?-g,.
G. F. Knowlton (June 27): Aphids are seriously holding back
the growth of young alfalfa at Fillmore.
PEA APHID (Illinoia. 2lji Kalt.)
Bigger (July 9): The pea aphid is abundant. Two
fields of red clover in Christian County severely
,,!ly 3 and one 20-acre field of red clover in Morfan
Also 20 acres of co-ptas in Pike Countj howred
injury, though aphidsR had been washed off by severe
M. H. Swcnk (June 15-30): In Furnas County some of the
alfalfa fields were heavily infested.
::-AN APHID (Ar'.is rumicis L.)
Vi rgi ni a
G. 3E. Gould (July 21): This aphid was excc.jdingly abun?-nt
on se-. rral zpl-:ies of dock this s .-ing and later migrated to
cow'.s, snap and lim.a beans, ani nasturtiums. It was necessary
to tr.at the cowp,-as to prevent serious injury.
VELVL7:ZAjr2 CATE2PI LLA (Antic r:ia ^:i.--lis Hbn.)
J. R. 4Watson (July 18): The velvetbean caterpillar has
been inflicting much injury to peanuts in the Everglades.
3r:ORT-TAILED CRIC:ET (Anuro,--r1.lus mutic is DeG.)
G. E. Gould (July 21): During April and .,ay several
complaints were received from i-orfolk concerning an insect
that was burrowing in lawns. However, no spEcir.enc were
found until Juno when the same type of 7ork was noticed in
the lin- at the Virginia Truck Experisrnt Station. After
rnuch digging two specimens of a brown cricket were caught
and wore later identified by A. N. Caudell. The work of
this insect is not serious, the chief coplpint being
the unsightly appearance of the lawn due to small piles of
earth pushed out of the burrows.
COT:". A''.i 1F0 ;-(Alabama srgi31lcc. Hon.)
R 7. Harned (July 30): (Telegram) Cotton rorms probably
quile ge-.ur,7,ly distributed through .-.t .,isrissippi. .orms
or definite repori;s received fror Sunflo-.-er, Eolmes, CktibbI-h.,
7';pshingtnn, Humphreys, Yazoo, Shar'cr, and Issa1-dcn? Counties.
CODLING liOTH (Ca-rpocn"?r reronilla L.)
L. A. Stearns (July 23): The first adult of thj first
brood was reported at Camden July 2 and at Brii-,:-ville July 6.
The first cj.-s of the second brood wzre r2-ortcd at Caflden
July 8, and the first larvae of the second brood were re-
ported at Bridgeville July I1.
T. H. Parks (July 15): The codling moth is increasing
rapidly in Ohio. We expect a large second brood and spraying
is now in progress to control it. Moths of this brood began
emerging at Ironton July 1, Columbus July 5. and Wooster
July 11. No emergence of the second brood has occurred
as yet at Oak Harbor, near Lake Erie.
J. J. Davis (July 25): weather conditions have been
ideal for the development of the codling moth and with con-
tinued favorable conditions we may anticipate a maximum develop-
ment, possibly surpassing the peak reached in 1926.
J. H. Bigger (JVly); The codling moth is moderately
abundant. Surveys indicate a moderate to heavy second brood.
W. P. Flint (July 17): The dry hot weather has been very
favorable to the development of the codling moth and a rather
heavy second brood is developing in central and northern Illinois.
in southern Illinois the insect is less abundant at this
time than in the central part of the State.
C. C. Compton jJuly): The codling moth is reported in
Cook County, July 12. Second brood will spread over a-much
longer period than usual. First pupation at Des Plaines oc-
curred July 12 while many larvae less than half grown are to
be found in apples.
L. Haseman (July 26): In central and nathern Missouri the
peak of emergence of the second brood was reached July 19-24,
K. C. Sullivan (July 1): Adults of the second generation
began to appear July 5-14; not so serious as last year.
M. H. Swenk (June 15-30): The peak of emergence of the
spring brood at Lincoln occurred i.?y 31. The first eggs
of the first brood were laid during the last week in May.
The last spring-brood emergence in the outdoor insectary
occurred on June 28. The first lxarvae of the first brood
were found in the orchard on June 4 and the first larvae
hatched in the insectary on June 10. The first pupa of the
first brood was found June 27. The height of first-brood
pupation is now close at hand.
D. C. Mote (July 1): B. G. Thompson reports a good many
are being found in traps at Monroe and Corvallie. Not so
many eggs deposited as normally. Peak of first egg deposition
of first generation not reached/antil June 30.
G. G. Schweiss (July 21); The codling moth is reported at
Reno, Unsprayed fruit is 75 per cent wormy:
?,--.3e Is land
.I3T-- CA:- J-'-- -. ( -hor *.'r_-.livorell- Riley)
Y. ?.Cairs (Ju..y 23): 7.-.; -istal case bearer is very
.a..n_.ia tin J-ffers7 n Cunty. It i's incr;,:.s-d in several
aez: r _&zr' c. r -,s -resent i~ m, -_y or::..._rds
... .........: .;- ... =i (Sz'1o-.ot-" :-^1?zr-. Schiff.)
"-T:<-kl e'-s Letter, 1L _Y. State Coli. r. (July ;.
l-'^ i. . ... ..-. _-' r-c d s present in r^nan orz:-'-rass
i7L a:'.aI. .a Coxic^;y July 2,
r ..-.. (l--
STkly.:,'es Letter, '7. ,T;SState Coll. *r. (July 7):
''-:g injury is sqric3is in _L rn orchards, especially
of ,in Co-;.nty. (July'21)" --.-iu
in.-*-. ;. -s <---=ed ----e of the .fruit huf is not cz:cjsslve.
. A. -=-rne (July 24): .-:- l-fho-;r: re- zaerately
t ve -.:--.i.t. --T.ey are ab'rnt in so orchards,
es:ecially in eastern Massachuse;tts.
-. E-' tton (July 24): .zZle leafhom; -rs are very
ah'-niint u fullyy abundant.
A. .SerUe (July 18): Aprl leafraers are =oierately
-,," J. e:.alee- (July 7) A?"--I- lea/:.o.Opers ar--. ;-o=erately
a :-r.i. L-.t.
L. Stearns (July 23): 'ronsron p ha-ti-i 3111. is very
abunant at ,_lscoro.
R, E. Petti (J-ly 18): A.;l Iar-o:-rS are noderaty
qi 1 ,,..~-r ave moderately
harers ( .8); Awple lerf;opr-;rs are ro!-rately
e'D..... ;in;. -,cis y "y in rursery tres.
.- ?0oh ,July 15). :Ile !'_rTho-pers are coderrttely
ab~u iat in Z-: n-rd, *:c-. 1.- Couny.Y
...2 J. DrK ): -:- -.sf :rs are =oarately
a .;....an_ t oier the entire State.
Z'.. C. Sullivan (july i): -r'. c, le,-- --- rs aT3 g _-.--l an
" ry "" "=uzanst,
'Nfest "i. 11. .ia
. feelkly 1N-t Letter, Y. State Coll. A-r. (J-uly
Apple 2a2 ct flies -an to e:--rzE in canes jin i.0-.Qs,
Ulster, -n. Colu-bia Ccnti-s -. last reek in June, y
July 21 _- ayinr r:s heavy and thn early varieties >ai
alr.- -e b:Vn ..to show -h o.rcnce cf -_ots in Datchess
7. fa. -s (X>: 15): AJt flies were observed for tr
_-irst time on Jaly 11 in noreastr- Cio. Seri us aage
tc scza vF-i:tit occn.rri in svi! c-untizs last year.
C J. ::2:. (J-J 2): :.- aple --zot is zerer.in
at A-:s. .e first ilts a- arere about a we;Ek ago.
Mis s ouri
Jee-y :-- L-tr, Y. State I1. 1 r. (Ju.ne %3):
o. rose -:af bsZteI has be=n foun. in a number of orc -r'-s
J. W m'anty.
E. C. Sullivan 1)-lv 1): The ap:1z curculio is causi:4
zon --ra.-le m:,'ry to apples in orchards on Missouri R.iver
T. J. EeaFlee (July 7): The peach borer is moderat-ly
ahuu i ant.
0. i. I nanpp (July 19): Th- first -':pa: of the year .rv :
recoriei toiZy. Pupation ur& the past wick has razii
incrEased.. I.anv ner cccnr.s are now bei constructed
-.t the bast of tres that are b- nz observed every other day.
.:.ir-r.... -.L'. '.^T... (l--s <"-;-r si= ao!,esta usckl)
F. -.ra (Jul- "4): The oriental fruit roth is re:ortedL
sli^i-.Iy less ab'mant in ; Haven and ^-.rtforf Counties
thn in 1-29.
7. E. -rittO4 (July 24): The oriental fr-it =oth is
=o.icrately a.bunant plentiful,
7teekly ::ws Lett--r, :. Y. State Coll. ACr. (J-uly):
Second-brooi larv.e ar, 7orkirg in the t r-in-ls in fruit
7 :_-E PI ANT BOARD
A??-'--' "'C-C- (?:(.=- ;c-tis Eoson !la Walsh)
-:r "Li -_ 7\ __.~7 (7^''of t O"*-.-ti- _,_i ,)
S?.-?. (-.- :ria_ :xitios_-. Say)
in the vicinities of Youngstown ?nd Lewiston,* but relatively
fe% twigs are damaged in orchards in other parts- of ,Niagara
T. J. Headlee (July 7): The oriental fruit moth is
L. A. Stearns (July 23): Twig injury by the oriental
fruit moths second brood is over and the third brood is
just commencing to appear throughout the State.
L. 1. PeaIrs (July 23): The oriental fruit moth is com-
paratively Ecarce in Morgantown.
0. I. Snapp (July 21): The broods in the field are now
overlapping. Fruit infestation is not more than 1 per cent.
No commercial damage in peach orchards at Fort Valley.
T. H. Parks (June 30): The oriental fruit moth is moderately
W. P. Flint (July 17): There has been little change in the
oriental fruit moth situation during the past month. A moderate
increase has occurred in the number of twigs infested and a
very few larvae are now entering apples in the southern part
of the State.
J. H.Bigger (July): :h. oriental fruit moth is scarce.
First record in Greene Cdunty, near EHillview, June 28.
R. H. Pettit (July 18): The oriental fruit moth is moderately
H. Wt. Earned (July 22): Peach twigs that had evidently been
injured by the larvae of the oriental fruit moth, Laspeyresia
molest, wcre received from Cru':-r on June 26 and from Bude on
J. Milton (July 19): This insect, although sc-rce, is found
in many orchards in Alcorn, Prentiss, Tipp.h, and Tishomingo
PLUMS CU. CULI0 (Conotr-chelus nenuphar Ebst.)
H. 3. Peirson (July 22): The plum curculio is very abundant
H. L. Bailoy (July 5): The plum curculio is moderately
73. E. Britton (July 24): Th',- plum curculio is moderately
to quite abundant.
A. E. Stone (July 18): The plum curculio is very abundant.
eekly Nets Letter, Y. State C ., Ar'. (July):
Reports from Clinton and ilagara Counties indicate that
the plum curculio has been more injurious than usual.
T. J. Headlee (July 7:); The plum curculio is very abundant.
L. A. Stearns, (Juy. 23 ): Peach drops are badly infested
'by the-fisr bT rbs' of the-plum curculio in southern
Dcla'-are. , .
L. M. Peairs .Jly 23): The plum curculio is moderately
abu'adent,- more `,han usually so in !,'organtown.
0. I. Snapp'(July 19): The first egg of the second
generation was deposited on July 14, and deposition of second-
genor,-.tion esgs is now (July 39) beg-kIming to be heavy.
Hiley !nd Georgi.. Belle peaches have all been harvested,
and the pe.k of tnc Elbe-rta harvest hs be-n reached. As
pre.clcted c'arli*r in the season, all varieties ripening
before th.. ;.Lberta have been harvested before the second-
brood attack, and it is-believed that practically all of the
B.Lbertas will escape damage this year from a second brood
of curculio larvae.
J. R. .Zatson (Jrly 18): Tbhe plum curculio is very abundant.
About as usual.
T. H. Parks (June 30): The plumi curculio is vcry abundant.
R. H. ?'ettit (July 18): The plum curculio is very abundant.
A. G. Ruggles and assistants 'July): Reports indicate that
this insect is moderately abund& b in Kittson, Martin, and
Blue Earth Counties, and very abundant in Fillmore and Itasca
L. Haseman (July 26): Many adults had emerged and were
mating by July 1; most all out July 8.
K. C.Salliivan (July 1): The plum curculio is causing
considerable injury to apples in orchards on Missouri River
J. M. Robinson (July 23): The plum curculio is moderately
abundant at Auburn.
F. L. Thomas (July 17): The plum curculio was very abundant
in July in Limestone andCCbr6.!bbrs Counties.
R. W. Harned and assistants (July): This insect has been
reported from moderately to very abundant from scattered
sections in the southern part of the State.
PEACH TWIG BORER (Anarsia lineatella Zell.)
G. F. Knowlton and M. J. Janes (July): The first generation
of peach twig bor-'rs has infested atout 5 per cent of the
apricot crop at Cilen. Larvae are now becoming mature.
Adult moths of th2 first-generation peach twig borers are
now emerging from infested apricots.
PEAR PSYLLAU (Psylla yrinola Foerst.)
JWeekly Te..'z Letter, N. Y. State Coll. Agr. (July):
The pear p'-,-lla, though reported from most of the fruit-
growing regions, has done little damage this year. During
`he last weAk in July it was reported in considerable
numbers from -: .County in unsprayed orchards.
PEAR LEAF BLISTER liITE (Eriophyes pyri Pgst.)
Weekly News Letter, N. Y. State Coll. Agr. (July):
Pear leaf blister mite injury has become noticeable on
some trees in Niagara County.
CHERRY FRUIT FLY (RbaRoletis cingulata Loew)
D. C. Mote (July 1): S. C. Jones reports that cherry fruit
flies began emerging June 13. They did not start coming out
in large numbers until about June 25, and have been coming out
in large numbers to the present time.
PEAR SLUG (Eriocampoides limacina Retz.)
M. H. Swenk (June 15-30): The pear slug was reported
injuring cherry leaves in various parts of eastern Nebraska
during the last half of June, and especially during the last
week in that month.
A WOOD BORER (Prionus californicus Motsch.)
G. F. Knowlton (July 12): The larvae of Prionus californicus
have been causing some injury to large cherry trees at
Farmington, a number of roots bcing mined.
RASPBERRY AND CRANBERRY
RASPBERRY FRUIT W.ORM (Byturus unicolor Say)
Weekly News Letter, N. Y. State Coll. Agr. (July 21):
The American raspberry beetle is also causing a small
amount of trouble to a few growers in Chautauqua County.
RASPBERRY CANE BORER (Oberea bimaculata Oliv.)
H. B. Peirson (.Tily 22): Raspberry cane borers are very
generally ab'und-. "'-_
H. L. Bailey (July 5): The raspberry cane borer has been/
as unusually abur-iant in various sections of the State,
CR.J'7ERRY ROOT WORM (Rhapdopterus picipes Oliv.)
Weekly Ye-s Letter, N. Y. State Col.1. Agr-. (July 21 ):
,iork of the cranberry root worm on alples has been found to
a small extent in Wayne County.
SNOWY TREE CRICKET (Oecanthus niveus Deg.)
G. F. Knowlton (June 30): Snowy tree crickets are causing
*some damage to blackcap raspberries.
GRAPE BERRY MOTH (Polychrosis viteana Clem.)
Weekly News Letter, N. Y. State Coll. Agr. (July 21):
The grape berry moth is reported to be causing come injury
in certain sections of a few vineyards in Chautauqua County.
R. W. Earned (July 22): Grapes injured by the larvae of
the grape berry moth were received from Natchez on July 5,
GRAPE LEAF FOLDER (Desmia funeralis Hbn.)
R. P. Colmer (July 19): Grape leaf folders are abundant
in the vicinity of Pascagoula on grapes.
GRAPE ROOT 70RIA (Fidia viticida ?'alsh)
Weekly News Letter, N. Y. State Coll. Agr. (July 21):
Root worm beetles have started their egg laying underneath
the bark on the trunks of the grapevines. The first egg
mass was observed on Tuesday July 15 in Chautauqua County.
PERS I.? 'cJi
FERS-I':.:0I PSYLLA (Trioza diospyri Ashm.)
Mississipp!i "~'*ft."Dietrich (July 21): Psyllids are bad on Japanese
persimmon in south George County. (Det. A. & M. College)
... ........". A.LNUT
V"ALNTUT HUSK FLY (Rhagoletis juglandis Cress))
Monthly News Letter, Office of Los Angeles Co. Agr. Comr.,
Vol. 12, No. 7 (JulyllS): Adult walnut husk flies bjgan
emerging from infested orchards in the Pomona section July 14.
These adults were not expected to come out of the ground ur.til
Sa-bout the same time as last year, early in August. This insect
-as first noticed several years ago and Tas found to be causing
considerable loss in the infested properties, mainly through
reduction in the grades by staining the shells of the nuts.
A VAJ.JT APHID (Callipterus juglandis Frisch)
D. C. Mote (July I): B. G. Thompson reports the anhid
much later than normal and not ao numerous as last year.
FALL ..OR:I (Hyphantria cunea Drury)
W. A.Thomas (July 10): The webs of this insect are much
in evidence in nearly every pecan orchard in the southeastern
section of the State. In some cases, rather severe defoliation
*has taken place. The larvae are about tro-thirds grown.
R.> W. Earned and' assistants (July).: The fall webworm is
moderately abundant in all parts of the State.
H1 E. Hinds"(July 26): The fall webworm is becoming common
on some of its wild host plants but.less abundant than usual
at this time.'
PECAN NUT CASE BEARER (Acrobasis caryae Grote)
J. R. Watson (July 18): The.nut.case bearer has reduced
That was already a short crop of pecans.
.k ... .-
J. M : Robinson (July 23): The pj.can nut case bearer is
abundant at Headland.
R. P. Colmer (July 19): The nut case bearer is moderately
abundant on pecan.
HICKORY SHUCK WOR1vI (Laspeyresia caryana Fitch)
J. P. Kislanko (July 19): The pecan drop from the shuck
worm this year so far is very light in the vicinity of
W7iggins. The drop, however, is more noticeable on some
isolated seedling trees.
WALNUT CATERPILLAR (Datana integerrima G. & R.)
J..P. Kislanko (July 19):
scarce on pecans this year.
The walnut caterpillar is very
So far only two colonies have
R. P. Colmer (July 19): The walnut caterpillar is scarce
on pecan this year.
J. P. Kislanko (July 19): The peca.n aphids Myzocallis
fumipennelus Fitch, Monellia costa)i- Fab., and Monellia
caryae Monell are very scarce in the orchards that were
heavily iiiisted and trees defoliated last year, whereas
those pecan orchards that had light infestations last year
are heavily infested this year. The infestation of pecan
aphids this year in general, in the vicinity of Wiggins,
is lighter than it was last year at this time. Probably
the low relative humidity and high temperature that pre-
vailed for several weeks retarded their multiplication.
R. P. Colmer (July 19): The black aphid of pecan is
moderately abundant in the vicinity of Big Point on Schley
trees. Defoliation is just starting.
R. W. Earned (July 22): A slight infestation of
Myzocallis fumipennellus Fitch was observed on pecan trees
at Lexington on July 15.
PZCAN SPITTLE BUG (Clastoptera obtusa Say)
R. P. Colmer (July 19): Spittle bugs are abundant on
pecans in the southern part of the eastern half of Jackson
GREEN JUNE BEETLE (Cotinis nitida L.)
W.A. Thomas (July 19): Adult beetles are very abundant on
repening figs, mutilating in some cases as much as 20 to 40
per cent of the fruit as fast as it ripens.
- 4 286-
CITRUS APHID (Aphis spiraecola Patch)
J. R. Watson (July 18): Fruit aphids are scarce.
Infestation of Aphis spiraecola is greatly lessened.
CITRUS vMEALYBUG (Pseudococcus citri Risso)
J. R. .7atson (July 18): Mealybugs have been very common
on citrus, especially grapefruit.
Monthly News Letter, Office of Los Angeles Co. Agr. Comr.,
Vol. 12, No. 6 (June 15): There is less mealybug infestation
in the citrus orchards of Los Angeles County this year than
ever before since this insect became established as a major
pest. Heavy and systematic. Cryptolaemus liberations last
year, plus field conditions particularly favorable to their
work, and a rapid increase in th.new internal parasites
recently introduced by the University of California, were
responsible for an exceptionally light carry-over of mealy-
bugs during the past winter and the. subsequent light in-
festation this spring.
CITRUS WHITEFLY (Dialeurodes citri Ashm,)
J. R. Watson (July 18): The citrus whitefly is very
abundant. Unusually abundant compared with- recent years.
BLA.CK SCALE (Saissetia oleae Bern.)
Monthly News Letter, Office of Los Angeles Co. Agr. Comr.,
Vol. 12, No. 6 (Juno 15): A suEvey of the condition of the
black scdilo in citrus groves in Los Angeles County shows this
scale to be in the hatching per.-od in all sections. Some
localities are mor3 advanced t>i:'. others in this respect
and in a few weeks complete hate'hs will occur on many
CITRUS RUST MITE (Eriovhyes oleivorus Ashm.)
J. R. Watson (July 18): The citrus rust mite is very
abundant unusually abundant for July. Following the
abnormal rains of June, July has had a rainfall of somewhat
,below normal, which probably accounts for the havy infestation.
TRUCK- ORCP I NSE C TS
SEED CORN MAGJOT (Hylemyia cilicrura Rond.)
R. H. Pettit (July 18): The seed corn maggot is very abundant
on beans. s -. au n
t. L. Chambers (July 18): The seed corn maggot is scarce.
Doing. da*mgeto -a 5-acre field of lima beans end -causing
C. J. Drake (July 23): The seed corn .m-,got is moderately
abundant on onions at Davenport.
M. H. Swenk (June 15-30): Ih? seed corn maggot was reported
attacking planted bean seeds to a serious extent in Scotts
Bluff County during the last week in June.
O.1'. Snapp (July 24): About two ecres of soy beans at
Marshallville are rather heavily infested by E-picauta vittata
Fab. The area is being sprayed in an effort to check the
E. W. Mendenhall (July 9): Microbasis unicolor Kby. is
quite bad on Clematis vines planted about homes in Ne;" Lebanon,
J.'J. Davis (July 25): Blister beetle (Epicauta spp.)
are apparently more abundant than for several years.
". A.* Price (July 25): Several requests have come
recently for information on the control of blister beetles.
H. E. Jaques (July 25): Blister beetles (E. vittata)
are doing heavy destruction in Davis and Taylor Counties.
L. Haseman (July 26): Along with the epidemic of grasshoppers
there ftv also appeared during the month unusual swarms of
blister beetles. L 'te potatoes, tomatoes, eand other garden
crops have been seriously dnm=ed, particularly during the
-latter part of the month.
S.11. H. vSwenk (July 15-30): During the last few days in June
E,. ;maculata Say enpeared in abundance in the vicinity of
Scbottsbluff, in some cases stripping the potato and tomato
F. A. Smith (July 17): The blister beetles are very abundant
on eggplant, cantaloupe, and tomatoes, in East Tate County.
BLISTER BEETLES (Vleloidae)
.. .... POTATO
COLORAFO POTATO BEETLE (Leptinotarsa decemlineata Say)
Weekly News Letter, N. Y. State Coll. Agr, (July 14): The
Colorado potato beetle has been scarce in Onondaga Countyj
but is now beginning to appear in large numbers.
J. J. Davis (July 25): The Colorado potato beetle is more
abundant this year than for a number of years. They were
especially noticeable on potato and e:.-plant at Monterey,
L>,-dford, and Lafaeytte July 3-16.
C. C. Compton (July): The Colorado potato beetle is scarce
in Cook County.. Heavy oviposition f6iore part of July. Eggs
destroyed by para-sites and predators.
E. L. Chambers (July 18): The Colorado potato beetle is
very ab'nd" -t in Pnrtage County.
H. E. Jpqu r (July): The Colorado-potato beetle is moderately
to very abun6rnt in the southwestern two-thirds of the state
and in CFic'- -w, Fayette and Delaware Counties in the north-
eter P, I-
.,-. ;.., (June 15-30): The Colorado potato beetle was
first reported on June 21, from Furnas County, and is moderately
abundant over the entire State. -
POTATO FLEA BZETLE (Epitrix cucumeris Harr.)
"Teekly -News' Lett'er, N. Y. State Coil. Agr. (July): Damage
by the potato flea beetle has been reported from Ontario,
Wyomi.ng, Onondpgr:, Orleans, and Genesee Countie's.
E. W. Mendenlell (June 28): Ti potato flea beetles are
very b1ad on potato leaves, leav"t.- them full of shot holes, in
Muskingum County'. They are trc`,,eso-.e 'every year but seem
worse in se sections.
O'MATO WOR, ( _Proto _r sexta Johan.)
G. C-. -chr is (July 17): Abo't. 65 acres of.potatoes in Iowa
County ate showing a large amount of damnge,.. while about 10
acress are 'stripped. :
G. F. Knowlton (June 27): Tomato worms are causing damage
to tomatoes at Vineyard'and Geneva.''
POTATO STALK BORER (Trichobaris trinotata Say)
A. C. l.orgpn (July 26): The potato stlk borer, Trichob!ris
trinotata Say, is seemingly wide-spread, but the infestation is
Mi s souri
POTATO LEAFHOPPER (Enmoasca fabae Harr.)
H.'L. Bailey (July 5):.. Potnto-leafhoppers are moderately
abundant generp.2ly about the State..
Weekly News Letter, N. Y. State Coll. Agr. (July 21):
Considerable injury Tas noted in Oswego County.
T. J. Headlee (Juk. 7): The potato leafhopper is moderately
R. H. Pettit (July 18): The potato leafhopper is very
abundant: in Missaikee and -Wexford Counties.
E. L. Chambers (J.x.ly 18): Potato leafhoppers are appearing
in large numbers throughout the potato-growing sections of the
State and marked inury is already being noticed; also attacking
d-hli? and anple.
A. G. Ruggles an! assistants (July)! This insect is being
reported in ::odera e abundance with anr occasional report of
very great -'rndanie.
H. C. Severin (JL'y 18): The potato leafhopper is moderately
abundant, as usual.
C. J. Drak. (Julr 23): The potato leafhopper is unusually
abund-nt in Iowa t'iis year. Unsprayed fields have been
H. E. Jaqa(.s (Jau.!): 'The potato leafhopper is moderately
to very abundant o-er the soutlfiestern two-thirds of the state
and in the northeastern corner, in Chickas'w, Fayette, and
K. C. Sullivan (July 1): Th&` 'ootato leafhopper is moderately
FALSE CHIITCH BUG (Xysius ericas Schill.)
G. F. I nowlton (July 12): The false chinch bugs are damaging
potatoes at Minersville, and garden crops in general at Parowan.
A.TREEHOPPER (Camnylenchia curvata Fab.)
M. H. Swenk (June 15-30): During the last week in June
nymphs were found attacking potato vines in Cedar County,
..in northeastern Nebraska.
POTATO PSYLLID (Paratriozp cockerelli Sulc.)
G. F. Knowlton (June 3C): The tomato psyllid is very abundant
on potatoes in most parts of Davis County. Some fields are
almost completely destroyed at the present time by psyllid
yellows, rhile others run from 5,'to 100 per cent diseased.
The first generation is nearly completed, and adult psyllids
are becoming very abundant.
IMPORTED CABBAGE WORM (Pieris rapne L.)
J. J. Davis (July 25): The cabbage worm was abundant at
Monterey, French Lick, and Lafayette July 3-17.
E. L. Chambers (July 18): Serious losses of cabbage and
cauliflower are being reported throughout the State this
L. Haseman (July 26): The imported cabbage worm was scarce
until about July 15 and since then worms and adults were very
abundant at Columbia.
M. H. Swenk (July 1-15):. Beginning early in July the
imports cabbage worm was frequently complained of as doing
injury to cabage in various parts of the State. (July 18):
T;.- imported cabbage worm is moderately abundant over the
G. F. Knowlton (July 16): Cabbage worms are seriously
damaging some cabbage patches.
SOUTHERN CABBAGE '7OPS: (Pieris protodice B. & L.)
F. L. Thomas (July 17): Very abundant on collards in a
summer garden at College Station in July.
DIA. OUD-BACK MOTH (Plutella maculipennis Curt.)
W. W. Baker (July 17): Several reports have been received
of rather heavy damage by this pest to cabbage fields near
Kent. Ckbbnge, kale, and turnips are heavily infested at
Grand Mound. One small patch of cabbage was dusted with
barium fiaosilicate and a good kill obtained.
CABAGE APHID (Brevicoryne brassicae L.)
J. J. Davis (July 25): The cabbage aphid is abundant at
New Carlisle July 4.
E. L. Chambers (July 18): Many requests for control are
being received from LaCrosse, Outpgamie, and Winnebpgo Counties.
H. C. Severin (July 18): The cabba-e aphid was extremely
abundant on crucifers of all kinds.
M, H. S:.-enk (June 15-30): There are numerous complaints
of the cabbage aphid on cabbage in eastern Nebraska.
FHARLEQUIN BUG (Muraantia histrionica .Hahn)
W. A. Thomas (July 16): The harlequin cabbage bug is
unusually abundant this season. Already collards are wilting
badly in many gardens in this section as a result of the
attack of thousands of these insects. One grower brought a
pint of these insects to the laboratory, all collected from
a small garden plot one afternoon. It w.as observed today
that these insects vere congregating on co-peas in clusters
about the fruit stems, apparently feeding on exuding juices
Some specimens seemed to be feeding on -the young immature
pods causing wilting. These peas were near a heavily infested
G. A. Biebtrdorf (July 20): The harlequin bug is moderately
abundant over most of the State.
J. M. Robinson (July 23-): The harlequin bug is very
abandtnt, attacking peaches -t Auburn xnd Alexander City.
R. W7. Harned (July 22): Injnry to collards was reported from
Gowdey, Hinds County, on June 24.
M. L. Grimes (July 19): The harlequin bug is very abundant
STRA'jPERRY LEAF ROLLEE (Ancylis comotana Frohl).)
E. W. Mendenhall (J.uly 9): The strawberry leaf roller is
quite abundant in strawberry plantations at New Carlisle,
J. J. Davis (July 25): The strawberry leaf roller is reported
abundant on grape at Greencastle June 26.
STRAX--2EY CROT MOTH (Aegeria rutilans Hy. Edw.)
D. C. Mote (July 1): The strawberry crown borers reported
by J. Wilcox are now coming out. It appears that in most
places in the Willamette Valley they will not be a serious
factor this year owing to activity of the parasites.
ROOT 7EETVILS (Curculionidne)
D. C. ::"ote and J. -ilcox (July I): Co=non strawberry
root-weevils Brachyrhinus svo. do not appear to be ;s
abundant in the. Willarmette Valley this season as last year.
Damage by these weevils ha-b decreased duringt the last tVo
years oving apparently to effective baiting for their control.
1'-'tive strawberry root-weevils Dyslobus spp. hnve assumed
the stellar role in destructiveness. These weevils emerge
early in the spring in March, lay eg;s in April and I'ay,
and the resulting grubs feed upon the roots of strawberries
until l-te sttaer, '-hen they pupate and ch-'nge to aduls.
STBRA.BL?2.2Y ROOT XPHID (Aohis forbesi .'eed)
E. L. Chambers (July 18): An unusually large number of
infested plantinr-s of str,.-berries are being found by the
MEXI.IT B- T. (Eilachna corSta uls)
MEXI2Pi BELK 3ZETT2 (Ipitachna co~r'nrta M.uls.)
Se 1 avw: re
_,. I. Bourne (July 24): The I'exican bean beetle has :een
found auite Fenerally distributed in fields of beans in
southern Hamjoden County (just abovee Connecticut line).
Infestations at present consist almost entirely of small
l'islrnd"of co-mp,rrtively small area. No serious defoliation
'7. 2. Britton (July 24): The Me -ican tean beetle is moderately
'71- -.-ca 'e-n- beetle is moderately
abundant, nea'r 'Tor" al7, '-:aan, Watertown and G-ranby, 1 `.ere
found in 1929. lJot yet -enerEIly distributed over the State.
R. B. Friend (July 24): Lar-" vere foun" the first r-.rt of
July on beans in the same loca- : y (Or-nge, ie. Haven County)
that tes infested lst "-eor.
-eekly :e-.s Letter, N. Y. State Coll. Agr. (July 28):
Mexicran bean beetles c-n be found practically all over Orn.n.e
County on wax, string,, and lima beans though the infestation
is not serious.
T. J, Headlee (July 7): The iexican bean beetle is
L. A. Stearns (July 23): More inouires concerning the
Kexic-.n bean beetle have been received than concerning- ar.ny
other insect tl rou-hout the State
.. *ul (:uly "l): The Eexic-n bean beetle is not so
serious near Norfolk Ps last year. Very little d.::.-.nge has been
reported so far.. First-brood beetles have practically
reached the peak of egg production at this time. Dry weather,
thrips, and the red spider are doing more injury at present than
the bean beetle.
L. M. Peairs (July 23): The Mexican bean beetle is very
abundant in Morgantown and in general ,over the State.
W. A. Thomas (July 15): The .iexican bean beetle has been
particularly injurious in the vicinity of Chadbourn this
season, destroying most of the early snap beans by July 1.
Limms were also heavily attacked at that time. At the
present time few larvae are present on the plants, while
adults are very abundant. tm;e is not so serious as it was
in early July.
T. H. Parks (July 15): The bean beetle has been very
scarce, presumably owing to the very hot, dry weather, but
one ccrl:%1n-nt has bpehn received and that from near Cincinnati.
In most places gro- rrs report no damage.
E. W7. Mendenhall (July 8):. The Mexican bean beetle is quite
severe in Springfieldn-':nU vicinity. (June 30): It has put
in its nppe-r'rance in Muskinglim County. They have been quite
nuamerout',in this section in other years.
J,. J. Davis (July 25): The Mexica.n bean beetle rws reported
abundcnt at 7eiford, 'Paoli, Sunman, Indianapolis, Plainfield,
French Lick, and- Princeto'n, June 25-July 3.
A. C0. Mor-pn (July 26): The Mexican bean beetle vwas uniformly
injurious throughout this region, although the infestation was
not exceptionally' severe.
R. H. Hnrned (July 22): A correspondent at Falkner, Tippah
County, reported that the larvae had caused severe injury to
1-ns anc butterbeans in th-t vicinity.
J. :":ilton (July 19): The Mexicen bean beetle is moderately
ebun.ant in Alcorn, Prentiss, ane Tishbraingo Counties.
C. F. Gillette (July '21): The Mexican bean beetle is
mocer-tely abundant, in regular areas. No new areas reported.
3EAiT IZAF BEETL' (Cerotoma trifucata Forst.)
J. .7 Mendenhall (July 2): The bean leaf beetle is very
abundant and doing considerable- dam'-e to bea-ns in Mt. Vernon
A SCaR.ABID (Strigodetm& arboricola Fab.)
C. H. Brannon in letter toW. H. 'White (July 23): This
insect has caused considerable dr-r-^e over the state and
t -y a-opear to be especially bad in Caldwell County where
it caused heavy damage to beans several years ago. ` `
The danpge generally is probably more apparent than real .
I noticed many fields of beans very heavily infested.
SPOTTED CUUTj.ER -EETLZ (Diabrotica duodecirrounctata Fab.)
J. J. Davis (July 25): The spotted cucumber beetle w;as
reported a serious pest of beans for c-.nnin7 eat Greenfield,
BEAN LEAF ROLLER (Goniurus proteus L.)
Weekly News Letter, N. Y. Stete Coll. AMr. (July 21): In
the sean fields wL.re precautions have not been follow' ed leaf
r-llers are quite p-evalent.
POTATO TL..FHOPFER (mpo-.sc! fabae Harr.)
1 kidi -n '
G. E. Go-*d (July 21): Mr. L. 7. Drannon reports le,-.-crhers
',s being injurious to bens in Mryland.
G. E. Gould (July 21): Leafhoppers are eabun-i.nt on snap
beans and are causing noticeable damage.
BEANAl (A4his ruiicis L.)
M. H. S-,enk (June 15-30): The bean aphid was ree,?te .2r
reported from various prrts of the State during the period.
from June 20 to 25.
STRIPED CUCUTIER BEETLE (Diabrotica vittata Fnb.)
J. R. Watson (July 18): The striped cucumber beetlesis very
abundant in the Everglades.
T. H. Parks (June 30): The Striped cucumber beetle is very
E. *. 7..nd-Pll (JulyI); The striped cucumber beetl- are
very troublesome in Knox County this year attacking- -u:-'-r
J. J. Davis (July 25): The striped cucumber beetle was
abundant and destructive at Bedford, Huntington, Warsaw, Sunman,
Michig-ntown, Aurora, and Lafayette, June 26-July 19.
C. C. Compton (July): The striped cucumber beetle is scarce
in Cook County. No commercial dame was experienced this
R. H. Pettit (July 18); The striped cucumber beetle is
very abundant in Lower Michigan.
E. L. Chambers (July 18):. The striped cucumber beetle is
moderately abundant. Cucumber growers in the southern part
of the State report heavy losses.
A. &. Ruggles and assistants, (July): Reports from the
southern part of the State indicate that the striped cucumber
beetle is occurring in normal .numbers.
H. C. Severin (July .18).: The striped cucumber beetle is
moderately Tbundant as usual.
,. H. Sw'ernk (June 15-30):( The striped cucumber beetle was
first reported from Lancz.ster County on June 18. Other reports
were received during the remainder of June. (July 18): The
striped cucumber beetle is moderately abundant over Lne entire
. E. Jc-uP (July 2). .e striped cuc-b'3r `*-Etle is
epoearing in moderate 2bdndr.nce in several places and hcs been
re-oort.ed as very abundant in Monroe, Jefferson, and Mahaska
G. A. Bieberdorf (July 20): The striped cucumber' beetle is
moderately abundant over the eastern three-fo'trLhs of the State.
WE TTRN STRIPED CUCUrLKBER BETLE (Diabrotica trivittatp. Mann.)
R. E. Campbell (July 22): Repoxts of heavy damage by the
striped cucumber beetle to cucumbers have come to this office
from several localities in Los Angeles County.
1ELON APHID (Aphis rossypii Glov.)
G. E. Gould (July 21): The melon aphid hss been found
injurious in one cantaloupe field and is present in many
J. J. Davis (July 25): The melon aphid is destructive at
Bedford and Huntington June 26.
M. H. Svenk (June.15-30): The first report of the melon aphid
was received from Lancaster County on June 18. (July 1-15):
Reports of injury ceased suddenly about the end of the first
week in July, except for the melon nphid on melons and cucumbers,
which continued to be reported in the usunl numbers during the
period here included.
PICKLE ,OPIM (Dinphania nitidFlis Stoll)
W. A. Thomas (July 3) These larvae have already begun
entering the fruit of sumner squash. This is nearly three
weeks earlier than usual for this section. No injury to
c'n.tloupes has yet been observed.
7. A. Price (July 25): The.pickle worm is generally
prevalent over the State but do6int special dda-iage at Conkling
to squash and melons.
J. *:.*. Robinson (July 23): The cantaloupe '-orm is generally
abunlent at Gr:ceville, Riverside, ",7ilsonville, Auburn, Newala,
and Selma and throughout the State.
SQUASH BUG (Anasa tristis DeG.)
J. J. Davis (July 25): The squash bug vwas causing dying of
cucumber shoots at Tndianapolis July 1.
C. C. Cormpton (Jr..y): Squash bugs are reported in Cook
County July 12, 1930. Very scarce this year for the third
Utah G. F. Kno-lton (July 16): Squash bug injury is noticeable
in many squnsh-growing areas of northern Utah.
.. E. Carmpbell (July 22): Squash bugs are reported to be
very abundant on squash in the San Fernando Valley (Los Angeles
County) and serious damage is feared.
*SQUASH BORER (Melittia satyriniformis Hbn.)
C. J. Drake (July 22): The squash vine borer is fairly
common in the State. Some of the squash vines in the vicinity
of k-es hnve been bFdly injured .- the borer.
ONTION THIJIPS (Thri-ps tgbnci L.)
weeklyy News Letter, N. Y. State Coll. A.r. (June 30): Thrips
are present to some extent in Genesee and 0rle-ns Counties.
G. S. Gould (July 21): :Thrios have caused severe d--! -.:-e to
cuc-umber, pea, onion and cbbage. "Injury to'.cucbers is more
pronounced in fields thvt .vere dusted for the stri-ed cucumber
beetle and for downy mildev '. -
C. C. Cor'-ton (July): Ti.e onion thrips is provinr very
destructive to roses and chrysanthemums in the Chic"-o district.
H. E. Jarues (July 25): Wayne County reports the onion
thrips doing drmntge.
G. F. Knowlton (July 18): The onion thrips is unusually
abundant and causing damage throughout the onion-growing
sections of northern Utah.
ONION MAGGOT (Hylemyia antiqua Meig.)
Weekly News Letter, N.' Y. State Coll. Agr. (June 30): Onion
maggots have infested unsprayed plants heavily this season in
Niagara County. The onion maggot injliry is not so serious as
in certain other years in Genesee anid Orleans Counties.
C. C. Compton (July): For the first time in ten years the
onion maggot has not caused commercial dancze in Cook County.
J. A. Munro (July 17): The onion maggots have caused serious
injury to grzn'ers at Kramer, Bottineau County, ,and Bartlett,
G. F. Knowlton (July 16): The onion mageot is causing some
injury to onions nt Sandy.
PARSLEY STALK ?.ETVIL (Listronotus latiusculus Boh.)
H. E. Jaques (July 25): Carrot weevils have been doing
considerable damage to cearots in Henry County.
R. W. Earned (July 22): Lacebugs identified by J. M. Langston
were reported as causing serious injury to eggplant at
Senatobia on June 30.
TORTOISE B'2ETLES (Cassidinae)
R. W. Har-ed (July 22): Tortoise beetles, Chelymor-ha cassi-r
Feb., ?Ere reported ?s causing injury to svreetpotatoes at
Ashland, and Houston, on July 18. Specimens of Metriona bivittata
Say were collected on sweetpotato plants at Enterprise and
Keanee on July 14. Specimens of M. bicolor Fab. were collected
from moon vines at ?eridian on June ?23. Medium injury in each
csse was reported.
S',7ET-?POTATO SAWFLY (SterictiDhor. collaris Say)
G. E. Gould (July 21): The larvae of the sweet-potato
sawfly were found at Munden again this year, doing slight
damage to a field of sweet potatoes. On this farmn last year
the d._-mae of the first and second broods ca-used a reduction
of about 50 per cent in yield. There appears to be only a
light infestation this summer. The majority of the larvae
of the first brood have already pup2ted. Many adult flies
of its parasite (Schizocerophaga leib:yi Twn.) were seen in the
MINT FLEA BEFTLE (Longitarsus mentlnhpus Gentner)
J. J. Davis (July 25): The mint flea beetle was reported on
July 11 as destrua.tive at Millersburg. Other reports for
northern Indiana i-ndicated similar dan?.ge to mint.
BEET 2LEAFOPPER (Eutettix tenellus Baker)
C. P. Gillette (July 21): PE. tenellus h-s never been taken
in northern Colorado, but in7recent trip through beet fields an
occasional beet ras found rith typical curly-top leaves.. Where
such % beet was found it was common to find two or three others
G. F. Knowlton (July 19): The beet leafhoprer is moderately
to very abundant in Northern Utah. Causing slight to considerable
damage to beets and tomatoes.
SUGAR BEET ROOT IIAGGOT (Tetanops aldrichi Hendel)
G. F. Knowlton (July 8): MagPots Pre causing some dr.-ge
BEET 7E3BORP; (Loxosteze sticticr.lis L.)
A. 17. Aamodt (July 19): Sugw-r-beet webworms ?re Eb-indant in
some fields in Polk County.
I,.TS.T O ::
'A. FNGUS GAT (Scir sp.)
-A.FUNGS ...T (Sci-r?,. sp.)
0. E. Gnhm (June 4): Larvae are doing commercial d ,-e
in the mushroor. caves at Herm.n and in commercial -us~room huses
0. E. Gahm (June 6): Sciarid fly larvae are commercial
damage to mushrooms in the houses at Denver.
0. E. Gahm (June 21): Lrrvae cre doing damage in commercial
mushroom houses. at Seattle.
0. E. Gahm (June 10): Practically all of the mushroom
houses were infested with fungus gnats, Sciara sp.
IMUJSFMOOM MITE (Tyroglyphus lintneri Ob.)
0. E. Gahm (June 2): The mushroom mite,Tyroglyphus lintneri
Osb., is doing commercial damage in the mushroom caves at
Herman, Mo. (June 4)- Mushroom mites are doing damage in
commercial mushroom houses at Leeds.
0. E. Gahm (June '10): Practically all of the mushroom houses
0. E. Gahr (July 1): Heavy infestations of a springtail
determined by Dr. Folsom as a species of Achorutes, were found
in mushroom beds in the sandstone caves at St. Paul.
0. E. Gahm (June 4):
damage to' mushrooms at
Springtails of the genus Schottella,
in this country, are causing commercial
GREEN JUIE 3EETLE (Cotinis nitida L.)
A. C. Morgan (July 26): The grubworm was again injurious
in the limited area to which it, has seemingly been confined for
:" P .-,bI WOBMS (Protoparce spp.)
A. C. Morgpn (July 26).; The tobacco hornworms, PFroto'n.rce
sexta Johan. and P. guinquemaculata Haw., were morc than usually
awnerous in June, but since that time, owing to the protracted
and severe drought, have been unusually scarce.
SOD' .-WOR70M (" ra-bus Sp.)
A. C. Morgan(July 26): Crambus sp. were moderately
injurious in a few fields.
SUGARCA PiE ORER (Diatraea sccharfalis Fab.)
W. E. Hinds (July 26):: The second generation is scarce.
Trichogramma minutum Riley in field.
FOREST AND SHADE-TREE INSECTS
BAGWORM (Thyridopteryx ephemeraeformis Haw.)
E. W. Mendenhall (July 24): The bagworm menace is checked in
Columbus and south-estern Ohio. Very little destruction is
noted this summer, probably owing to parasite- insects.
J. J. Davis (July 25): Bagworm defoliating evergreens at
New Albany June 22 -nd boxelder ,at Brookville July 15.
R. W. Harned (July 22): A correspondent at Meridian on
July 12 reported a hei-vy infestation on cedar.
SATIN MOTH (Stilpnotia. silicis L.)
H. L. Bailey (July 26): Satin moth adult and egg mass found
at White River Junction July 19. Nev location record for the
state. Previously found only in towns from Springfield along
Connecticut River to Massachusetts line.
A. E. Stene (July 18): The satin;,,noth has been less abundant
this year than in any recent year. Little spraying was
necessary and there was no defoliation.
GIPSY MOTH (Porthetria dispar L.)
A. E. Stene (July 18): Gipsy moths have been less abundant
this year than in any recent year.
FALL EB.O.70PM (Hyphantria cunea Drury)
J. V. Schaffner, Jr. (July 25): Small webs of the fall webworm
are now quite common through many sections :', land.
TWO-LTI ED CHESTNUT BORER (Agrilus bjiLireatus Web.)
E. P. Felt (July 26): The two-lined chestnut borer is
killing trees here and there in the metropolitan area of New
York City, infestations being observed at Hartsdale and Felham,
N. Y., though similar work is doubtless coirmon in ir.any other
OYSTER-SHELL SCALE (Lepidosaphes ulmi L.)
C. C. Compton (July): Several severe infestations on ash
have come to my attention in Cook County.
SPRUCE MITE (Paratetranychus uniungius Jacobi)
W. E. Britton (July 24): This insect was reported at Beacon
Falls and Old Lyme, attacking spruce and arborvitae.
ASH APHID (Prociphilus fr'xinifolii Thos.)
G. F. Knowlton (July 3): Ornamental ash trees are having
their leaves seriously curled.
WOOLLY BEECH APHID (Prociphilus imbricator Fitch)
E. P. Felt (July 2): The beech-tree blight-aphid has been
reported so abundant at Hartford, Conn., and Scarsdale, N. Y.,
as literally to cover portions of the trunk and the larger
branches of beech trees.
BRONZE BIRCH BORER (Agrilus anxius Gory)
W. E. Britton (July 11): This borer on European white
birch is reported in Nev; Canaan.
BIRCH CASE BEARER (Coleophora salm:ni Hein.)
H. B. Peirson (July 22): Almost complete defoliation of
birch in stands on Mount Desert Island by the birch case bearer.
BIRCH LEAF-MINING SA'?LY (Phyllotoma nemorata Fallen)
H, B. Peirson (July 22): The birch leaf-mining savfly promises
to be very generally abundant.
BOXELDER APHID (Periphyllus negundinis Thoe.)
R. C. Shaw (July 18): Aphids are moderately abundant at
Penham. Some trouble on boxelder.
H. C, Severin (July 181: Boxelder aphids were extremely
M. H. Swenk (July 15-30): The boxelder aphid continued to
be reported from central Nebraska up to June 25,
CAMPHOR THRIPS (Cryptothrips floridensis Watson)
F. P. Amsler (July 18): The camphor thrips is very abundant
around Gulfport this month. Many trees have been killed..
ELM LEAF BEETLE (Galerucella xanthoLelaena Schrank)
J. V. Schaffner Jr. (July 25): In many localities throughout
the Eastern part of Massachusetts and in a section of Manchester,
N. H., the elm trees show the effects of a severe infestation.
R. B. Friend (July 24): This insect is locally very
abundant. It is causing injury to elm trees in Guilford, many
being now brown.
E. P. Felt (July 26): This insect has developed in
considerable numbers from southern Westchester County, N. Y.,
and southwestern Connecticut, northward to Lenox, Mass., the
infestations at Pleasantville, N. Y., Danbury end Windsor,
Conn., and Lenox, Mass., being sufficiently severe to produce
partial to almost complete defoliation, the effect being
accentuated by the recent extremely hot, dry weather.
E. W. Mendenhall (July 24): A very severe outbreak of the
elm leaf beetle in London (..nidison County). '
'. A. Price (July 25): The elm leaf beetle is responsible
for the defoliation of elms in Louisville and Lex;".nton. It
was also collected in a dwelling in >riville, on July 22.
D. C. Mote (July 1): 'J. E. Dr.vis reports that eggs of the
elm leaf beetle hove hatched in -nd around Corvallis, and
larvae ?re numerous.
A LEAF BEETL2 (Callira.ph-'a cl-iris Lec.)
7. H. Swenk (June 15-30): Tbhe leaf beetle continued its
defoliation of elm trees up to the end of --2e. The -re-test
dpmin'e wns done in southern Nuclo'lls Cintv, but. the i-qfestation
extended north thr)ush Cl-r.v and east into Tillmore and Thaver
A SCOLYTID BEETLE (Hylureopinus rufipes Eich.)
E. P. Felt (July 6It The dark elm bark borer, Hyluraoprius
rufi-pes Eich.; was fouhd in lprge numbers in a dying elm at
Pelham, the primary trouble probably being due to A deficient
and variable water supply..
ELM tORER (Saperda tridentata Oliv.)
M. H. Swenk (June 15-30): Borers reported during the period
here covered included the elm borer, beginning June 12.
WOOLLY ELM APHID (Eriosoma americanum Riley)
J. J. Davis (July 25):- The woolly elm aphid was reported
June 30 as very abundant on elm at Anderson.
M. H. Swenk (June 15-30); Beginning June 12, and continuing
to June 24, a grept many reports of curled elm leaves were
received. In some cases the attacks were severe. These reports
came from all of the-central parts of the State, from Pierce,
Dodge, York, and luckolls Counties west to Cherry and Chase
ELM COCKSCOMB GALL (Colopha ulmicola Fitch)
E. P. Felt (July 26): The coxcomb elm gall was somewhat
abundant on elm foliage at Westbury, Long Island.
J. J. Davis (July 25): The elm cockscomb gall was sent in
from Orleans, Indianapolis, and Elwood.
W. P. Flint (July 17): The cockscomb gall of elm has been
very abundant throughout- the northern two-thirds of Illinois.
This aphid is present not only on street trees in towns and
cities but is quite abundant in the woodlands.
EUROPEAN EL'.1 SCALE (Goss.paria spuria Modeer)
E. W. Mendenhall (July 24): The European elm sc-le is quite
prevalent on the elms planted along the streets in London,
Madison County. I find some of the elms at North Columbus
COTTONY MAPLE SCALE f:tPulvinaria vitis L.)
M. H. Swenk (June 15-30): In Pierce County an infestation
of the elm trees in the town of Plainview was reported on
A P0:KET GALL (Erionhves ulmi Garrmt.n)
M. H. Swenk (June 15-30): In Cherry County the elm trees
were reported heavily infested with pocket galls fore.ed by
Eriophyes ulmi in the vicinity of :errimian, during the third
week in June. :,
HACKBERRY NIPPL3 GALL (Ppchypsylla celtidis-.=mra Riley)
,. H. Swenk (June 15-30): Hackberry foliage affected by the
hackberry nipple gall was sent in from different localities
during the period here covered.
A CERAJ!BYCID (Urograprhis triangulifera .Hald.)
M. H. Swenk (June 15-30): Borers reported during the
period here covered include the hackberry borer(Zrogranhis
triangrulifera)begi rin.g Jiune 14.
HAC:BE*RRY BUiTTERFLY. (ChloripDe celtis Bd. & Lec.)
M. H. Swenk (July 1-15): A Douglas County correspondent
re-oorted his *h5.qkberry trees consideraly injured by these
; JUNIPER.Jh. .i.
A PHD Sanbornia juniper Perg.)
J. P. Kislanl.o (July 19): One of the junipers at Wiggins
was heavily infested 'ith a juniper aphid (Sanbornia junireri
Peg-nde). At the time of observation no late forms were
The apterous individuals were heavily arasitized.
LI1I$ErM LEAF GALL (Eriophves abnormis Garm.)
M. H. Swenk (June 15-30): In the town of St. Paul, Horard
County, a number of linden trees' have the -leaves b=dly affected
with the galls of the linden gall mite (Zriophves abnornis).
LOCUST TWIG BORER (Ecdytolopha insiticjana Zell.)
Ohio E. W. Mendenhall (July 16): The black locusts in nurseries
at Springfield are badly infested with the locust twig borer.
FLAT-HEADED APPLE-TREE BORER (Chrysobothris femrorata Cliv.)
Indiana J. J. Davis (July 25): What ras sux-nosed to be the flat-
headed borer was destructive to maple at Martinsville, June 28.
SUGAR-MAVPLE BORER (Glycobius s-peciosus Say)
Ohio E. W. Mendenhall (July 24): The sugar maple borers are very
bad in the hard males planted on the streets of London (Madison
Co.). Many limbs end even the trees are dying from this
NORTAY M/APLE APHID (PeriDhvllus lyropictus Kess.)
Indiana J. J. Davis (July 25): The Nor'-.-y maple aphid was abundant
on Norway mrr.le at Bedford and Orle.ns, June 25 and 26,
OOLLY ALDER APHID (Prociphilus tessellatus Fitch)
Massachusetts E. P. Felt (July 26): The alder blight aphid was reported
as seriously injuring soft maple foliage at Southfield, late
COTTONY MAPLE SCALE (Pulvinaria vitis L.)
Indiana J. J. Davis (ualy 25): Abundance of the cottony maple scale
was reported from warren, Fovler, Saratoga, and Morristown.
Iowa C. J. Drake (July 22): The cottony maple scale is very
abundant in Iowa this year. Records h-re beenreceived from
the following place's: Lake Park, Lakota, Thompson, Mr. son City,
Hampton, Davenport, Exira, Buffalo Center, Renr-ick, and Durant.
This is the first year that the cottony maple scale has been
abundant in Io,7n.
OAK TWIG PRUNER (Hypermallus villosus Fab.)
Massachusetts E. P, Felt (July 26): The maple and oak tvrig pruner, is
reported as injurious in the Boston area.
W. E. Britten (July 24): PReorted fully as abundant as
last year at 1Tew Haven, Hartford, and Pridgeport.
E. P. Felt (July 26): Renorted as sor-eTrhat common at
South Salemn, :7. Y.
OAK SPATC?." (l1loriq sorniaria Hlst.)
D. C. Mote (July 1): W. J. Charimberlin reports the oak
looper is very abundant in certain sections on Gary oak.
OAK KNOT GALL (Andricus -ounctatus Bass.)
E. P. Felt (July 26): The knotty uak gall, Andricus nun!tatus
Bass., has been rEported as causing considerable injury to trees
at Jamaica Plain, Mass.
E. P. Felt (July 26): A. punctatus Bass. has been reported
es causing considerable injury to trees in the metropolitan
area of 1e: York City.
GOLDEN OAK SCALE (Asterolecaniun variolosum Ratz.)
E. P. Felt (July 26): A. variolosium is kno'.n to be somewhat
comn.n in the Boston area.
E. P. Felt (July, 26):
reported from Kent.
E. P. Felt (July 26):
York City area.
E. P. Felt (July 26):
E. P. Felt (July 26):
from Chicago, Ill.
Serious infestations were recently
It is oT"e.-.hat prevalent in the New
It is somewhat prevalent in the
Serious infestations were reported
PA.IJJ TZTL.; (Scolytoidea)
H. Dietrich (July 21): In Pasc'-oula River sva-ps in
George County, Pinus glabra is binrg attacked by Is
calliaraphus Gerrm.. and -endroctonus terebraus Oliv.,
together with various other scol-tids uja.llv found together.
Mature pines were cut a year :To. Beetles bred up in tons and
trees felled along the road this sorin- are now attacking
living trees joining. I. calli;rarhis is b.by far the most
prominent. 'anv clerid larvae are Dresent and, with fung-us,
should stop infestation.
I' M P IT3-PIN !'XEEVIL (Pissodes strobi Peck)
H.:L.:Bailey (July 5): The 'vwite ,pine weevil" was reported
as very plentiful in a iorway spruce plantation, at Dummerston
July 3. Observations elsewhere show much damage by this insect.
E. P. Felt.(July 26): Attacks young pines commonly and was
specifically reported as injurious at Norwalk.
E. P. Felt (July 26): Specifically reported as injurious at
EU.ROPrAIT PI'.. -OOT MOTH (Rhyacionia buoliana Schiff.)
E. P. Felt (July 26): Evetria buoliana occurs here and there
' P. Felt (July 26).: The pine bhoot moth, abundantly
infested small nines near Peekskill, N. Y. It is locally
somewhat common on Long Island.
A IMOTH -'(Ocnerostoma pinariella Zell.)
Win. W Baker (July *:7) :: This ,moth.:has., just, recently emerged
and is mating now. The females appear to be well filled
PIN LEAF SCALE (Chionssnis ninifoliae Fitch)
E. 7. Mendenhall (July 24): I find some outbreaks of the
pine leaf scale on white pines and mugho pines.in nurseries
and private plantings in Columbus and vicinity.
1M. H. Swenk-(June 15 3O): About the usual number of
complaints, beginning June :25, -Te-e received during the last
few days in June relative.t6 *th, infestation of spruce trees
with the pine leaf scale (Chio-nas-is pinifoliae). These reports
coe chiefly from the eastern half of the State.
PLE BRT (Saperda calcara-a Say)
E. W. Mendenhall (July 18): The poplar borer is very bad in
Lombardy poplars, in a nursery at New 1oorfield, Clark County.,
A1.CERAMBICID (Saperda ponulnea L.)
C. D. Lebert (July 25): The rroplar borer was found killing
young poplars at Phoenix July 241;h.
FJSKY LE.AJ ROLLER (Amorbia humnerosana Clem.)
H. E Peirson (July 22): About 300 acres.of.ponlar
stripped in Skinner.
. ._. SP pE : 2, E
SIR(TCE'BU-T"OF1. (Har.moloo^ fumiterana Clem.)
R. H. Pettit'(July'9): The spruce tortrix hes been found
in the following places since the 1st of January; Ann Arbor,
Czcoda,. Detroit, Charlotte, Eillsdale, Ionia, Bad Axe, Kalamazoo,
Grayling, Farmihgtcn, Scottville, and Lakeside. (July 18):
The spruce budworm is. moderately abundant. .
E. L. Chambers (July 18): The spruce budwTorm is moderately
abundant on large white pine stand in Bayfield County. Both
the oine and. balsam species are quite j-.inant in some sections.
P very eriois outbreak of the spruce b-..dworm was discovered in
southern Bayf5.eld County recently which practically defoliated
trees over a;:' irea of more than 500 acres comprising a good
stand of jack .,nd wvhi'te pines. Many trees were already deed
From attn.ck.., apoaremtly of previous. years.
.'Th'A'-SK"SCAI2 (Chionaspis etrusca Leon.)
C. D. Lebert (July 25): This scale is extremely abundant
throughout Phoenix. -Every tamarisk tree has from few to r.any
scales and in the majority of cases the upper linbs are
completely covered to the extent that th:ev have a mo!-
apnearance. There has been conl.cerable needles shed. and many
of the trees have a sickly ap-e-. rance. In every case where tore.i
-s.fr cm medium to heavy infestation of the sc'le a predaricus
ladybeetle (QOlla abdominalis fon.. zol5a.ata. Casey) has 1z-3ome
established in great numbers.
*LI T 2C -\LEB (To1me-.'el:3 liriodendri Grrel.)
J. J. Da'is (July 25): The tulip tree scale was reported
abundant on tulip trees at Shoals July 22.
WILLOW CURCULIO (Cryptorhynchus lapathi L.)
E. W. Mendenhall (July 18): I find an outbreak of the
mottled willow borer at Springfield (Clark Co.).
J. J. Davis (July 25): The mottled willow and poplar
borer was very destructive to pussy willow at St. Joe, June 26.
A CPFRYSOT.LID (Callizranha multipunctata Say)
M. H. Swenk (July 1-15): Along tVe ?'issouri River in the
vicinity of Blair, the leaf-beetle C:.1? igra-pha multipunctata
occurring in great abundance, has defoliated the small willow
trees 3 or 4 feet high, along the stream.
COTT0C!00D BOTLE. (Plectrodera scalator Fab.)
E. W. Mendenhall (July 14): I find the cottonwood borer
quite bad on pussy willow in some of the nurseries at Columbus.
AN ITONID (Rhabdophaga cornuta Walsh)
M, H, Swenk (July 1-15): Along the Missouri River in the
vicinity of Blair, the small willow trees bear an abundance of
M. H. Swenk (July 15-30): During the last week in June the
larvae of the morning-cloak butterfly were found badly
stripping willow trees in Madison and Lancaster Counties.
BLACK yEVIL ('Brachrhinus sulcatus Fab.)
BLACK VTIU \ EVIL (Brachyrhinus sulcatus Fab.)
E. P. Felt (July 26): The black vine weevil, was reported
as injuring yew at Westbury, L. I., the insects being
sufficiently abundant as to cause considerable injury.
INSE C TS AF E C T I N G GREENHOUSE AND
ORNAM2:'1 TAL PLANTS AND LAWNS
A CICADA (Diceroorocta viridifascia Walk.)
H. E. Spaulding (July 3): First observed in 192r, first
serious in spring of 1930, killing entire plantationsof
:CRRiT1'G-CLOA:, '-TTLI-:LY, (.4lais antio-a L.)
Asparagus plumosus at Jupiter. Land cleared of Palmetto
scrub in about 1920. First adults about June 15 .'ut still
coming out. Most serious on plants in -et zpots.
Win. T. Davis, who identified this insect, says, "It
occurs along the coast from Virginia to the Gulf of Mexico
and has been collected from i:ay to September. Io my experience
D. viridifascia has not occurred in sufficient numbers to be
a pest by laying er-s in br,.nches of young trees or bushes."
A CICADA (Tibicens cinctifera Uhler.)
C. D. Lebert (July 25): This insect was coming out in srw-,t
numbers from July it to the 15th. July 8th I visited one
citrus grove near Phoenix and counted 167 cast skins on one
tree trunk. Every tree held from 3 to 100 or more cast skins.
At the present date the trees throughout the valley are
literally alive with the adults. Thus far no damage of economic
importance has been found.
J. J. Davis (July 25): During the latter part of June,
aphids were very abundant, Tr.ey were especially abundant on
nasturtium, golden glow, rose, sweet pea, plum, radish, and
turnip. Reports of June 26-July 9 came from New Cirlisle,
Tipton, Veedersburg, Warsaw, Lafayette, Anderson, and Franklin.
0. G. Babcock (June 12): Aphids in general are increasing
on sweet- peas and roses.
GREZt-UTrSE W1KITEFLY (Trialeurodes vaporariorum '"?e stw.)
E. W. Mendenhall (July 2): Some of the vegetable greenhouses
in Mt. Vernon (Knox County) are badly infested with the green-
house whitefly. Tomatoes and cucumber plants are very full of
A '.ALYBUG (Pseudococcus kranhiae Ku-.ana)
H. Dietrich (July 21): Mealybugs (P. kranhiae) are bad on
coleus and-other greenhouse plants at Lucedale. Det. A. & X.
A'R O.RVIT TAE
EIJP.OPEAN FRUIT LE2A,'AT.'. (Lecanium corni Bouche)
E. W. Mendenlhall (July 16): In some of the nurseries about
Springfield w'^find the European fruit scale very bad. (July
22): The p-ramidal arborvitae in nurseries about Springfield
are badly infested with the soft scales or lecaniums. (July 24-):
The soft or lecanium scales are quite bad on pyramr.idal arborvitae
in nurseries in Clark County.
LA-RrE CANIA LEAF ROLL-? (Cal-odes etilius Cram.)
W. A. Tho.-ias (July I): Practically every canna border in
this section presents an unsightly appearance as a result of
the work of this insect. The infestation is more severe
than ever before observed in this section.
0. G. Babcock (June 12): The canna leaf roller is here and
starting work on the canna lily.
CR TE UYRTLE
CREPE -7RTL7 APHID (M4yzocallis kahawaluokalani Kby.)
"' Harned (Juily 22): Sreciriens of M.vzocallis kahawaluokalani
were collected on crepe myrrtle -lants at Lucedale on July 10.
H. Dietrich (July 21): Plant lice, 1_7zocallis kahaw'aluokalain
Kby., are very abundant on crepe myrtle at Lucedale. (Det. A. &
STRAI-EERRY LEAF ?-2T:,E (Haltica litigata Fall)
P.. 1:. Earned (July 22): Flea-beetles, tentatively identified
by J. ",. Langston as Haltica litipata, were collected on
Fuchsias at Columbus on July 9. These beetles had severely
injured the Fuchsias in two beds contatnini about 400 plants,
many of the plants having been entirely ruined.
IRIS B30RER (Macronoctua onusta Grote)
R. F. Pettit (July 9): The iris borer has been found this
season at Lake Odessa, Lansing, Port H.aron, Jeddo, and Belding.
I N S E C T S A T T A 3 I N C- !: A N A 7-D
DO ME S T I C A T I MALS
L. Haseman (July 26): In the vicinity of nonds, creeks, and
springs, mosquitoes (Culex sp.) have bred in great numbers and
have been very annoying.
W. B. Mabee (July 22): Mosquitoes are unusually abundant
over the entire State this season.
J. E. 1,cEvilly (July 18): Mosquitoes are not ab'n-Iant or
causing any annoyance to residents in i.:c'omnb.
D. C. Mote (July 1): Aedes vexans :'feig. and Aedes aldrichi
Dyar and Knab began emerging about June 16 'and ap-arently had
passed the peak by June 25. The flooi staz. on the Columbia
River is lower this year than in the -past y-ar and the -aters
have been receding since about June 16.
BLOOD-SUCKING CC:C:,OSE (Triatoma sancuisua Lee.)
'27. A. Price (July 25): The blood-s-.ick'inz cone-noaa,
T. sanguisuga, was the cause of considerable anncyanzc to
.nany, people, especially babies, in Lexington.
HORN1 FLY (Haematobia irritans L.)
L. Hasem-ran (July 26): Th.; hot, dry weather has materially
reduced the numbers of horn fli's throughout central Missouri.
0. G. Babcock (June 12): Horn flies are becoming quite
numerous, in some cases beginning to gather about the bases of
the horns. 7ill carry.from 100 to 1,000 -?r animal. Breding
conditions for the horn fly almost ideal.
HOR3E FLIES (Tabanidae)
L. Haseman (July 26): In zpite of the drought during July
horse flies have appeared in considerable numbers, causing
much annoyance to livestock.
". B. Mabe* (July 22): Horse flies (Tabanidae) are m :o zor:
abundant than normally.
STABLE FLY (Stomoxys calcitrans L.)
C. J. rrake (July 22): The stable fly is extremely abundant
in Io'..a this year. About 1,300 flies were collected in a sweep
of the net on the leeward side of one of the college barns this
,1eek. It is estimated that on an average 50 flies were resting
on each brick on that side of the building.
Mi s souri
L. Haseman (July 25): The hot, dry weather has materially
reduced the numbers of stable flies throughout central Missouri.
M. H. Swenk (June 15-30): Annoyance to livestock by the
biting stable fly cojmmrncrced to be received commonly during the
last three days in June, from southern and eastern Nebraska.
(July 1-15): The biting stable fly was exceedingly annoying
to livestock in all parts of Nebraska during the period here
covered. Many requests were received for fly sprays to use
against this pest.
HOUSEHOLD A:'TD STO R D-
PRODUCT IN SE C T S
TE-'ITTES (Reticulitcrmes spp. et al.)
E. P. Felt (July 36): 'Uhite ants, Reticulitermes flavipes
Kollar, were reported as injuring the roots of yew or Taxus at
',Jestbury, L. I.
J. J. Davis (July 25): Termite infestations were reported
during the month from Martinsville, Cra'-fordsville, and
J. M. Robinson (July 23): Termites are -abundant at Selma and
C. D. Lebert (July 25): Several complaints from Phoenix
residences having the pests in the hardwood floors. At one
residence, a termite identified as Leucotermes (Leucotermes)
aureus Snyder, was found to be doing severe damage to the
hardwood flooring. Slight damage to ',ounC citrus seedlings
northeast of Phoenix by an unidentified termite. The earthlike
tubes were built up the trunks and the bark was eaten away
Monthly News-Letter, Office of Los Ar.eles Co. Agr. Comr.,
Vol. 12, No. 6, (June 15): Contrary to recent belief, it has
been determined, according to Deputy Agricultural Commissioner
H. H. Wilcomb, that the dry-wood type of termite- found generally
infesting native growth on Catalina Island is not a new species,
but one, Kalotermes minor Haicn, common to the southern coastal
J. J. :avis (July 25): Ants were annoying in dwellings
at :lichigantovwn, Frankford, Evansville, and Lafaycttc, durin--
UNIVERSITY OF FLORIDA
3 1262 09244 5609
3 1262 09244 5609
A la 8. 0
T. !'. Robinson (July 23): T-,.. rrntinc Ent is vwry
abunyiant at Birm iri"ham.
A correction The note on the Argentine ant by N. D.
Peets on page 192 of the Insect Pest Survey Bulletin is
incorrect. The poison campaign therein refcrnedto was
carried on only in the city of Brookhaven, Lincoln County.
The note on the same insect by W. L. Gray on page 193 may
be misleading, as the infested towns (Rodney, Jefferson Cou.nty,
Hambury and Meadville, Franklin County, Fort Adams and Aoodville,
,7ilkinson County) are some distance from Natchez. 7Th- insect
has not been found in the city of Natchez.
M. R. Smith (July): J. P. Kislanko has recently taken
workers of Paratrzchina lonaicornis Latr. at Wiggins. This
is the first time that the species has been recorded from an
inland town in Mizsissippi. ^;inged ants taken at a trap light
in .,'ig-ins on June 26 by Mr. J. P. Kislanko have been determined
by Dr. M. R. Smith as males of Eciton mexicanum Smith-Layr.
Mr. Jack :.'ilton reports that Iridomyr-nrx analis Andre has been
obskrv7.d infesting a house at Corinth. The Arg@ntine ant is
very a'-.idant at Colu-.bus.
J. E. McEvilly (July 18): The Arg-ntine ants have been
practically controlled as a household pest in the towns of
McCoimb and Summit.
J. l7ilton (July 19): The Argentine ant was found at 2-nnis
on July 14. This is the first time that this ant has been
found in Tishomingo County.
R. W. Harned (July 22): The nur.b.-br of localities in
Mississippi from which the Arr.ntine ant has apparently been
completely eradicated is increasLnq each month. Among the
places at one time infested with this insect where campaigns
have bec-n successful in apoarcntly eradicating it are the
following: ayette, Shaw, Quitman, landon, L,-man, 'oolmarket,
Moss Point, Mayhtw:, 1N.rton, A. & M. Collegc, Longvicw, Osborn,
Sessums, Star, "'ig7-ins, and C-ntervillt.
A P0o'w:R-r:s:T ?---T' (A.ptides fortis Lec.)
C. D. Lebert (July 25): 7.. lpr;er po"-dcr nost b .-tle -as
vworkin- in stored mesquite fire-ood in a garage' in Phoenix, July
24th. Larvae and adults present in lar-', numbers. Th. ood vas
bcinz ra-oidly rzduc> d to a r-o d-.r.
0.i.- (Jun 37): Fou'- 1 t .nr'lc th- first record of
this ins .ct outof tho ar.- of C klanr.d, Bcrk-ley, ano Richr!on,.
.-.... AN .. (Forf-cu ,_ S-ricu saria L.)