Title: Florida Entomologist
Full Citation
Permanent Link: http://ufdc.ufl.edu/UF00098813/00234
 Material Information
Title: Florida Entomologist
Physical Description: Serial
Creator: Florida Entomological Society
Publisher: Florida Entomological Society
Place of Publication: Winter Haven, Fla.
Publication Date: 1949
Copyright Date: 1917
Subject: Florida Entomological Society
Entomology -- Periodicals
Insects -- Florida
Insects -- Florida -- Periodicals
Insects -- Periodicals
General Note: Eigenfactor: Florida Entomologist: http://www.bioone.org/doi/full/10.1653/024.092.0401
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Bibliographic ID: UF00098813
Volume ID: VID00234
Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: Open Access

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Florida Entomologist
Official Organ of the Florida Entomological Society

VOL. XXXII MARCH, 1949 No. 1

Citrus Experiment Station, Lake Alfred, Florida
Since 1897 when Rolfs (6) published "A Fungus Disease
of the San Jose Scale," Sphaerostilbe coccophila Tul.1 and sev-
eral other fungi have been credited with being of great value
in controlling scale insects attacking citrus in Florida. Numer-
ous investigators (1, 2, 7, 8, 9) following Rolfs have published
papers on the efficacy of the fungus diseases; however, through-
out the available literature, no one has reported seeing one of
the "friendly fungi" actually growing on a living scale insect.
Without evidence of the parasitism of these fungi their economic
importance to the grower is in question.
It has been noted by the authors that purple scale (Lepido-
saphes beckii Newm.) populations often decrease very rapidly.
Holloway and Young (4) have indicated that the scarcity or
abundance of entomogenous fungi 2 has no influence on the
rate of total mortality of these insects. If this be true, then
some other factor must be responsible for the periodic epizootics.
THE "FRIENDLY FUNGI."-The term "friendly fungi" is
generally used to include the following fungi associated with
scale insects, as listed by Watson and Berger (9) : Red-Headed
Scale Fungus (Sphaerostilbe aurantiicola (Berk. & Br.) Petch),
Pink-Headed Scale Fungus (Nectria diploa Berk. & Curt.),
White-Headed Scale Fungus (Podonectria coccicola (Ell. & Ev.)

'According to T. Petch (Brit. Myc. Soc. Trans. 7: 109-129. 1921) the
correct name for this fungus is S. aurantiicola (Berk. & Br.) Fetch.
SNectria diploa Berk. & Curt. and Sphaerostilbe aurantiicola (Berk.
& Br.) Fetch.

Mailing Date: April 1, 1949



VOL. XXXII MARCH, 1949 No. 1


President --------------------------- M. C. VAN HORN
Vice President ......-.....------------ J. A. MULRENNAN
Secretary-...-... -.....................-........------------ LEWIS BERNER
Treasurer .---..................-------- ...---- ---------.. G. W. DEKLE
Executive Committee....................... ... ) C. F. LADEBURG

H. K. WALLACE--................... --- ----....... Editor
G. B. MERRILL.---------........... --.....Associate Editor
G. W. DEKLE___-- ------_ __.------.-- Business Manager

Issued once every three months. Free to all members of the Society.
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Manuscripts and other editorial matter should be sent to the Editor,
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tions, and orders for back numbers to the Secretary, Dr. Lewis Berner,
Department of Biology, University of Florida, Gainesville. Dues to Mr.
G. W. Dekle, Seagle Building, Gainesville, Florida.
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Petch), Black Scale Fungus (Myriangium floridanum Hoehm.),
and Cinnamon fungus (Verticillium cinnamomeum Petch).
During 1947 and 1948 the red-headed and the pink-headed
fungi have been found in abundance, whereas the other "friendly
fungi" were found occasionally, but they were not common. This
paper will deal with Sphaerostilbe aurantiicola (Berk. & Br.)
Petch and Nectria diploa Berk. & Curt. both of which are in-
corporated under the general term, red-headed scale fungi.
-All attempts to inoculate red and purple scale insects (res-
spectively, Chrysomphalus aonidum L. and Lepidosaphes beckii
Newm.) which were reared in the laboratory on grapefruit have
failed. Spores, both from cultures and from mature fruiting
bodies, in water suspensions were sprayed on first, second, and
third stages of both red and purple scale insects. Some of the
grapefruit were maintained under ordinary laboratory condi-
tions while others were in a moisture chamber. In a series of
five experiments in the laboratory there was no mortality of
the insects which could be attributed to the red-headed scale
In two experiments, young pineapple orange trees which were
infested with purple scale insects were sprayed with a water
suspension of spores from mature fruiting bodies. There was
no resulting mortality.
RED-HEADED FUNGUS COUNTS.-Evidence has been found
that it is possible for the red-headed fungi to act as saprophytes.
These fungi frequently have been observed growing entirely
on the armors of dead scale insects, and also on the armors of
insects which were alive and healthy.
In conjunction with spraying experiments, counts of purple
scale insects and red-headed fungi were made to determine the
length of time required for the fungi to begin their saprophytic
growth on the dead insects. Table 1 shows a comparison of
three spraying treatments and one non-sprayed plot in terms
of percentages computed from counts made on June 5, 1947,
five weeks after spraying. Each plot consisted of five trees.
In Table 1 the saprophytic growth of the red-headed fungi
is illustrated by the large number of fungi per 100 living scales
in plot 1 which received an oil-emulsion spray. In comparison
with plot 1, plot 2, sprayed with copper-oil-emulsion, had a
smaller percentage of fungi. This might be attributed to a
larger percentage of living scale in plot 2, and to the fungicidal


action of the copper. There seem to be no significant differ-
ences, in the number of fungi per 100 living scales, between
the copper-zinc-lime-wettable sulfur spray (plot 3) and the
non-sprayed control (plot 4). All four plots are comparable
in the average number of fungi per 100 dead scales. In the
percentage of fungi which were associated with dead and living
scales, plot 1, which received an oil-emulsion spray, and plot 2,
which received a copper-oil-emulsion spray, had a higher per-
centage of fungi than did the copper-zinc-lime-wettable sulfur
(plot 3) and the non-sprayed control (plot 4).

Sphaerostilbe aurantiicola (Berk. & Br.) Fetch AND LIVING AND DEAD
PURPLE SCALE INSECTS, Lepidosaphes beckii Newm.
Percentage Average IAverage
Percent- of Fungus Number Number
Plot age of Associated of Fungi of Fungi
No. Treatment Living with Dead per 100 'per 100
Scales Iand Living Dead Living
_Scales Scales Scales
1 Oil-emulsion ............ 3.31 73.5 81.02 2,220.00
2 Copper-oil-emulsion 17.14 65.55 83.29 307.80
3 Copper, zinc, lime,
and wettable
sulfur .................... 47.95 45.96 91.72 92.13
4 Control ....-........ 42.14 41.40 88.27 77.98

An economically important disease of purple scale insects
is caused by the endoparasitic chytrid, Myiophagus sp. Thaxter.
Karling (5) has termed this disease chytridiosis. As far as is
known, this chytrid was first found parasitizing purple scale
insects on citrus in Florida by W. L. Thompson in the fall of
1934 at Babson Park. At that time the parasitized insects were
abundant. Although the fungus has been plentiful during the
intervening years, identification attempts failed until 1946 when,
with the aid of Dr. Ernst A. Bessey,a it was identified as a
species of Myiophagus by Fisher (3).
DISTRIBUTION OF CHYTRIDIOSIS.-In Florida the distribution
of chytridiosis is widespread and is known to occur throughout
the interior citrus belt, as far south as Lake Placid and as far

Professor of Botany, Retired, Michigan State College.


north as Palatka and Mandarin, and in the Indian River section.
HOST RANGE.-The following hosts have been recorded in
Florida: purple scale (Lepidosaphes beckii Newm.), red scale
(Chrysomphalus aonidum L.), chaff scale (Parlatoria pergandzi
Comst.), and long scale (Lepidosaphes gloverii Pack.).
Karling (5) lists Myiophagus ucrainicus (Wize) Sparrow
as being parasitic in: the larvae and pupae of Cleonus puncti-
ventris and Anisoplia austriaca in the Ukraine (Wize); dip-
terous pupae, Kittery Point, Maine (Thaxter) and Yorks,
England (Petch) ; Lepidosaphes beckii and L. Newsteadi, Ber-
muda (Waterston) ; L. ulmi, Ontario, Canada (Waterston) ; L.
beckii in Louisiana, U. S. A. (Karling) ; and the artificial inocu-
lation of Pseudococcus longispinis and P. citri in New York
THE LIFE HISTORY OF Myiophagus sp.-Purple scale insects
with chytridiosis are easily recognized in the early stages of
the disease while the insects are still alive. The first indication
of the disease is a slight color change of the body which is
normally white to a pale, coral-pink tint. Later, as the disease
progresses and the insect dies, the zoosporangia develop in-
ternally giving the scale a bright orange color. After the insect
is dead, the zoosporangia mature, and the insect's body becomes
a powdery mass of golden-yellow zoosporangia. If resting zoo-
sporangia are present, all or part of the body may be brick-red
in color.
When sufficient moisture is present to wet the leaves thor-
oughly, the zoosporangia in the dead scales germinate producing
swimming zoospores which swim in the film of water until they
come into contact with a healthy scale, and then produce germ
tubes which penetrate the integument (5) of the insect. In this
manner healthy scales become infected and all subsequent growth
of the parasite is internal. Zoosporangia are again produced,
at the expense of the insect's life, and the subsequent release
of zoospores completes the life cycle of the fungus.
of Myiophagus sp. makes it readily apparent that not only is
the fungus directly dependent upon the density and distribution
of the scale population, but also upon moisture without which
infection of the scales is impossible. Especially in the summer
months when purple scale populations are increasing and rains
are frequent, high mortality of the scales may be caused by


chytridiosis. During 1947 and 1948 weather conditions were
favorable for this disease.
In Grove W (Figure 1), which is a typical example of several
orange groves on a non-spraying program, purple scales ap-
parently were effectively controlled by chytridiosis. Counts
have been made in this grove over a period of 19 months. Scale

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VOL. XXXII-No. 1 7


Plot 1 Plot 2
Per Cent of Per Cent of
1948 Mortality Quarter Mortality Quarter
Month Ratio Leaves Ratio Leaves
Infested 1 Infested

April .-....... ... 7.79 23.3 3.15

June .......-....... 4.21 60.0 14.38 53.3

August ....... 38.81 19.3 27.21 22.7

September -.. 90.16 6.7 86.32 8.0

November ...... 78.23 6.7 79.70 7.3

population counts were-based on an examination of 1/4 of the
leaf surfaces of each of 50 leaves per tree and were recorded
as the average percent of quarter leaves infested. Identifiable
males were not counted in either the scale infestation counts
or in computing chytridiosis incidence. During the latter part
of August, 1947, scale mortality reached its highest point of
the summer. At that time, on scale counts of 30 heavily in-
fested leaves, there were 434 diseased scales per 100 healthy
scales; a mortality percentage 4 of 81.28. The following month
there was a decrease in the scale population. In general, Figure
1 shows that periods of scale population decrease or low inci-
dence were usually preceded by or coincident with a high degree
of chytridiosis. Low scale populations were usually followed
by decreases in chytridiosis incidence. Thus, an increase in
the number of scales parasitized by Myiophagus sp. appeared
to cause a decrease in the scale population, and as the scales
died, the amount of mortality due to chytridiosis decreased.
However, in October and November, 1948, a marked increase
in the number of scales with chytridiosis did not result in a
further decrease of the scale population, but actually the scale

4 The percentage of mortality was computed by dividing the total num-
ber of diseased scales plus the total number of living scales. into the total
number of diseased scales, and multiplying the resulting figure by 100.


population showed a slight increase. This discrepancy empha-
sizes the fact that a more complete understanding of the effect
of scale population density on subsequent incidence of chytri-
diosis and other related factors is essential before completely
accurate interpretation can be made of the available data.
Table 2 shows a comparison of the purple scale populations
and the rate of mortality caused by Myiophagus sp. in two non-

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0 0 0 / C

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a0 -o *S 5 o *
0, a 0

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sprayed control plots at the Citrus Experiment Station, Lake Al-
fred, Florida. Plot 1 did not receive any spraying treatments
during 1947 or 1948. Plot 2 was not sprayed during 1948.
Each plot consisted of five pineapple orange trees.
From April through November plot 1 and plot 2 (Table 2)
are comparable. In August and September, plot 1 had a smaller
per cent of infested leaves, and a larger percentage of scale
mortality than did plot 2. The rate of mortality caused by
chytridiosis, in both plot 1 and plot 2, during August does not
seem to be sufficient to explain the decrease of the per cent of
infested leaves. In these two plots it must be concluded that
some factor other than chytridiosis was partially responsible
for the decrease in the total number of infested leaves between
June and August.
SECTS.-Figure 2 shows a comparison between the number of
purple scales attacked with chytridiosis and the number of
purple scales attacked by the red-headed fungi during the sum-
mer of 1947 in two plots at the Citrus Experiment Station, Lake
Alfred, Florida. In the copper-zinc-lime-wettable sulfur sprayed
plot the number of red-headed fungi closely followed the number
of scales with chytridiosis. In the oil-emulsion sprayed plot
the number of red-headed fungi reached its highest point five
weeks after spraying while the number of scales attacked with
chytridiosis was very low throughout the summer. The oil-
emulsion spraying so effectively controlled the purple scale in-
festation that there were only a few living scales remaining for
Myiophagus to attack.

Hirsutella, sp.
It has been observed by the authors that occasionally large
numbers of purple scale crawlers, Lepidosaphes beckii Newm.,
become yellow in color and a high mortality follows. Crawlers
which were exhibiting this off-color and apparently living have
been examined and found to contain yeast-like bodies. In
examinations of dead crawlers only one fungus has been found
consistently associated with the yellow-colored crawlers. This
fungus has been tentatively identified as a species of Hirsutella
Pat. Whether or not the mycelium of Hirsutella sp. growing
out of the dead crawlers originates from the yeast-like bodies
found inside of the living crawlers remains to be proved.


For a number of years a diversity of opinion has existed
as to whether or not some of the so-called "friendly fungi"
(Sphaerostilbe aurantiicola (Berk. and Br.) Petch. and Nectria
diploa Berk. and Curt.) actually parasitize scale insects. Dur-
ing 1947 and 1948 no evidence has been found that the red-
headed fungi do parasitize red or purple scale insects. It has
been established that these fungi have the ability to act as
saprophytes, but their ability to act as parasites has not been
The endoparasitic fungus, Myiophagus sp. Thaxter, which
causes chytridiosis of scale insects has been found widely dis-
tributed throughout the citrus belt in all purple scale (Lepido-
saphes beckii Newm.) infestations which have been examined.
In 1947 and 1948 this disease has been of greater importance
in purple scale populations than it has in red scale (Chrysom-
phalus aonidum L.) populations.
Although there are some groves in which the purple scale
insects appeared to be effectively controlled by chytridiosis,
biological control of scale insects by dependence solely upon
Myiophagus sp. is not advocated. Not only is the fungus directly
dependent upon the density and distribution of the scale popu-
lation, but also upon moisture without which infection of the
scales is impossible. Further study is necessary in order to
determine methods which may be used to increase the efficacy
of these diseases in coordination with the artificial control
A fungus associated with dead purple scale crawlers has
been tentatively identified as a species of Hirsutella Pat.

1. Berger, E. W. Fungus parasites of hard or armored scales. Fla. Agr.
Exp. Sta. Press Bull. 83. 1908.
2. Fawcett, H. S. Citrus diseases and their control. 2nd Ed. McGraw-
Hill, New York. 656 pp. 187 figs., incl. 15 col. pls. 1936.
3. Fisher, F. E. Insect disease studies. Fla. Agr. Exp. Sta. Ann. Rept.
p. 162. 1947.
4. Holloway, J. K. and Young, T. R. The influence of fungicidal sprays
on entomogenous fungi and on the purple scale in Florida. J. Econ.
Ent. 36: 453-457. 1943.
5. Karling, J. S. Chytridiosis of scale insects. Amer. J. Bot. 35: 246-254.



6. Rolfs, P. H. A fungus disease of the San Jose scale. Fla. Agr. Exp.
Sta. Bul. 41. 1897.
7. Rolfs, P. H. and Fawcett, H. S. Fungus diseases of scale insects and
whitefly. Fla. Agr. Exp. Sta. Bull. 94. 1908.
8. Watson, J. R. Utilization of fungus parasites of Coccidae and Aleuro-
didae in Florida. J. Econ. Ent. 5: 200-204. 1912.
9. Watson, J. R. and Berger, E. W. Citrus insects and their control.
Fla. Agr. Exp. Sta. Bull. 88. 1937.

University of California, Davis, California

It is always a great temptation to describe new species in-
stead of doing the more difficult revisional and basic work.
Unless this latter type of work is done, the systematics of many
genera of thrips will reach an impasse. Zimmerman (Insects
of Hawaii, V. 2, page 392, 1948) pertinently remarks "The
Thysanoptera are largely in a state of taxonomic chaos, and the
group is a most difficult one to work with systematically. There
is not yet available a classification which can be considered
adequate or natural. The basic concept of what constitutes the
various categories of classification appears more often than not
to have been lost sight of. Few authorities agree as to what
constitutes a genus, subfamily, family or superfamily."
On the other hand, it is necessary to describe the species
that come to hand in order that the diversification in a genus
as well as the relationships of genera may be seen. It is only
then that the higher groups may be arranged in proper sequence.
In many other orders of insects, a large number of systematists
have brought this desired condition about earlier than in the
Thysanoptera. The burden of describing thrips has fallen
largely upon a few individuals from whose efforts future workers
will profit.
We cannot overestimate the value of carefully made illus-
trations when new species of thrips are described. Those of
Hood are among the very best and are of the greatest value.
Hood (1932c) so well stated this point that he should be quoted:
"Finally, it should be stated that in no group of insects are
carefully executed, accurate illustrations of new forms more
to be desired than in the Thysanoptera. No two workers agree
exactly in their selection of structures to be described, and a


good common denominator for the work of all would be illus-
trations of at least the head, prothorax, and antenna of every
new species made known. If such drawings are not provided,
I fear that the group will soon be in such chaotic condition that
worthwhile revisional or monographic work will be impossible."
Furthermore, it is almost impossible today to describe new
valid species in many genera such as Liothrips, Trichothrips,
Frankliniella, and Thrips without reviewing the entire genus
(including an examination of types) and often modifying the
original concept. The describing of new species in these and
other large genera of thrips from unique specimens is most
undesirable. Over twenty years ago Hood (1927d) clearly
emphasized this second important point: in improving descrip-
tive work one should employ a "larger series of paratypes, so
that other specialists may be provided with actual specimens,
rather than with descriptions which can never be adequate for
the simple reason that new characters and new differences, not
mentioned in the original diagnoses, are continually being dis-
The writings of Professor J. Douglas Hood on the taxonomy
of thrips have covered a period of thirty-three years (1908-
1941) and include to date 129 titles listed below. Because of
the large number of publications and species described by Hood,
we are listing the Terebrantia and Tubulifera separately. He
has described to date ninety-five genera and six hundred and
ninety-seven species. In addition, the Aeolothripoidea, Phlaeo-
thripoidea, Thripoidea, Urothripoidea, Pygothripidae, Mero-
thripidae, and Hyidiothripinae were established by Hood. It is
unfortunate that Professor Hood has not had the time to check
this summary of his works, but it is as complete as we can
make it at present. Sub-genera are treated here as genera.
We have recorded the published synonymy as far as we are
able and made certain additional notes. Where possible to
ascertain the dates of issue or mailing dates of the publications,
we have listed them for convenience should it be necessary in
the future to establish priority.

1908a.-Aug. 22.-New Genera and Species of Illinois Thysanoptera. Bul.
Ill. State Lab. of Nat. Hist., Urbana, Ill. 8 (Art. II): 361-379,
figs. 1-9.
1908b.-Sept. 3.-Three new North American Phloeothripidae. Can. Ent.
40 (9): 305-309, figs. 15-19.

VOL. XXXII-No. 1 13

1908c.-Dec.-Two new species of Idolothrips. Ann. Ent. Soc. Amer. 1 (4):
285-289, figs. 9 and 10.
1909a.-Jan.-Two new North American Phloeothripidae. Ent. News. 20
(1) : 28-32, figs. 1-4.
1909b.-Feb.-Two new North American Phloeothripidae. Corrections.
Ent. News. 20 (2) : 75.
1909c.-June.-A new genus and a new species of North American
Phloeothripidae, (Thysanoptera). Ent. News. 20 (6) : 249-252, fig.
1, a-b.
1912a.--Mar. 19.-Three new Phloeothripidae (Thysanoptera) from Texas
and Michigan. Proc. Biol. Soc. Wash. 25: 11-16, figs. 1-4.
1912b.-Apr. 13.-New genera and species of North American Thysanop-
tera from the South and West. Proc. Biol. Soc. Wash. 25: 61-76, Pl.
IV and figs. 1-6.
1912c.-May 8.-On North American Phloeothripidae (Thysanoptera) with
descriptions of two new species. Can. Ent. 44 (5): 137-144, P1. VI,
figs. 1-4; P1. VII, figs. 1, a-c, 2.
1912d.-July-Sept.-Descriptions of new North American Thysanoptera.
Proc. Ent. Soc. Wash. 14 (3): 129-160, Plates IV-VIII. (Issued
Sept 30.)
1912e.-Aug.-A new genus and three new species of North American
Thysanoptera. Psyche. 19 (4): 113-118, P1. 8, figs. a-d; P1. 9,
figs. a-c.
1913a.-June 30.-Nine new Thysanoptera from the United States. Proc.
Biol. Soc. Wash. 26: 161-166.
1913b.-June 30.-Two new Thysanoptera from Porto Rico. Insec. Ins.
Mens. 1 (6) : 65-70, P1. I, figs. 1-5.
1913c.-Aug.-On a collection of Thysanoptera from Panama. Psyche 20
(4) : 119-124, figs. 1-4.
1913d.-Sept. 12.-A new species of Heliothrips (Thysanoptera) from
Maryland and Illinois. Can. Ent. 45 (9): 308-311, figs. 11-12.
1913e.-Dec. 31.-On a collection of Thysanoptera from Porto Rico. Insec.
Ins. Mens. 1 (12) : 149-154, P1. V, figs. 1-4.
1914a.-Feb. 9.-Prosopothrips cognatus, a new North American Thysanop-
teron. Can. Ent. 46 (2) : 57-59, fig. 13, a. b.
1914b.-Feb. 28.-Notes on North American Thysanoptera, with descrip-
tions of.a new family and two new species. Insec. Ins. Mens. 2 (2):
17-22, P1. I, figs. 1-4.
1914c.-Mar.-Studies of the Arizona Thurberia Weevil on cotton in
Texas. By B. R. Coad and W. D. Pierce. Proc. Ent. Soc. Wash. 16
(1): 29. (Note: Hood lists this paper as "Paper No. 20".)
1914d.-Mar. 23.-On the proper generic names for certain Thysanoptera
of economic importance. Proc. Ent. Soc. Wash. 16 (1): 34-44.
1914e.-Mar. 30-Two Porto Rican Thysanoptera from sugar cane. Insec.
Ins. Mens. 2 (3): 38-41, figs. 1-2.
1914f.-Apr. 24.-Two new Thysanoptera from Panama. Insec. Ins. Mens.
2 (4) : 49-53, figs. 1-2.


1914g.-Aug. 13.-Studies in Tubuliferous Thysanoptera. Proc. Biol. Soc.
Wash. 27: 151-172, P1. III, figs. 1-6, P1. IV, fig. 1-7, P1. V, figs. 1-4.
1915a.-Jan.-Apr.-Descriptions of new American Thysanoptera. Insec.
Ins. Mens. 3 (1-4): 1-40, P1. I, figs. 1-9, P1. II, figs. 1-7. (Published
May 15.)
1915b.-Mar. 12.-A remarkable new thrips from Australia. Proc. Biol.
Soc. Wash. 28: 49-51, fig. 3, a-c.
1915c.-Mar. 12.-An outline of the subfamilies and higher groups of the
insect order Thysanoptera. Proc. Biol. Soc. Wash. 28: 53-60.
1915d.-Apr.-On some America Aeolothripidae (Thysanoptera). Ent.
News. 26 (4): 162-166, figs. a-b. (Mailed Mar. 31.)
1915e.-May.-Hoplothrips corticis: A problem in nomenclature. The Ento-
mologist 48 (624) : 102-107.
1915f.-June.-and C. B. Williams. New Thysanoptera from Florida and
Louisiana. Jour. N. Y. Ent. Soc. 23 (2): 121-138, Pl. 7-10.
1915g.-June 11.-Some features in the morphology of the insect order
Thysanoptera. Science, n. s. 41 (1067): 877.
1915h.-Aug. 14.-A new Hoplandrothrips (Thysanoptera) from British
Guiana. Can. Ent. 47 (8): 241-244, fig. 26 (1-3).
1915i.-Sept. 18.-An interesting case of antennal antigeny in Thysanop-
tera. Proc. Ent. Soc. Wash. 17 (3): 128-132, P1. XV, figs. 1-4.
i915j.-Oct.-Two new species of Liothrips (Thysanoptera). Bul. Brook.
Ent. Soc. 10 (4) : 76-79.
1916a.-Feb.-Two new Thysanoptera from West Africa, with a note on the
synonomy of the Phloeothripidae. Psyche. 23 (1) : 6-12, P1. IV, figs. 1-7.
1916b.-Mar. 1.-A new species of Heterothrips (Thysanoptera) from
Eastern United States. Ent. News. 27 (3): 106-108.
1916c.-Apr. 10.-A new Physothrips (Thysanoptera) from Uganda, with
a note on Physothrips antennatus Bagnall. Can. Ent. 48 (4) : 130-132.
1916d.-Apr.-June.-A synopsis of the genus Oxythrips Uzel. (Thysanop-
tera). Insec. Ins. Menst. 4 (4-6): 37-44.
1916e.-June 6.-Descriptions of new Thysanoptera. Proc. Biol. Soc. Wash.
29: 109-123, P1. III, figs. 1-4.
1916f.-June.-Oedaleothrips hooker, a new genus and species of Thy-
sanoptera. Bul. Brook. Ent. Soc. 11 (3): 64-65, P1. 2, figs. 1-3.
1916g.-July-Sept.-A new Plectrothrips (Thysanoptera) from Jamaica.
Insec. Ins. Mens. 4 (7-9): 78-80, P1. I, figs. 1-4. (Publication date
Oct. 23.)
1917a.-Apr.-A new Sericothrips (Thysanoptera) from Africa. Bul.
Brook. Ent. Soc. 12 (2) : 32-34.
1917b.-Apr.-June.-An annotated list of the Thysanoptera of Plummer's
Island, Maryland. Insec. Ins. Mens. 5 (4-6): 53-65. (Publication
date June 2.)
1918a.-Apr. 10.-A new Physothrips from Western Africa. Insec. Ins.
Mens. 6 (4-6) : 116.
1918b.-Oct.-A new Kleothrips (Thysanoptera) from North Queensland.
Bul. Brook. Ent. Soc. 13 (4) : 76-79, P1. 8, figs. 1-4.


1918c.-Dec. 19.-New genera and species of Australian Thysanoptera.
Mem. Queensland Mus. 6: 121-150, Brisbane.
1919a.-Apr.-June.-On some new Idolothripidae (Thysanoptera). Insec.
Ins. Mens. 7 (4-6): 66-74, P1. II, figs. 1-6. (Publication date Apr. 1.)
1919b.-Apr. 1.-On some new Thysanoptera from Southern India. Insec.
Ins. Mens. 7 (4-6) : 90-103, P1. III, figs. 1-6, P1. IV, figs. 1-4.
1919c.-May 20.-Two new genera and thirteen new species of Australian
Thysanoptera. Proc. Biol. Soc. Wash. 32: 75-91.
1924a.-June.-A new Sericothrips (Thysanoptera) injurious to cotton.
Can. Ent. 56 (6) : 149-150. (Mailed June 26.)
1924b.-June.-A new Ankothrips (Thysanoptera) from New Mexico. Bul.
Brook. Ent. Soc. 19: 66-68. (Mailed May 28.)
1924c.-Nov.-New Thysanoptera from the United States. Ent. News.
25: 312-317.
1934d.-Dec.-On some new Phloeothripidae (Thysanoptera) from the
Transvaal. Psyche. 3.1 (6): 293-301.
1925a.-Jan.-Four new Thysanoptera from Africa. Proc. Ent. Soc. Wash.
27 (1) : 8-12.
1925b.-Feb. 25.-Four new Phloeothripidae (Thysanoptera) from New
York. Bul. Brook. Ent. Soc. 20 (1): 26-32.
1925c.-Feb.-New Neotropical Thysanoptera collected by C. B. Williams.
Psyche. 32 (1) : 48-69.'
1925d.-Apr. 14.-New species of Franklinella (Thysanoptera). Bul.
Brook. Ent. Soc. 20 (2): 71-83, P1. III, figs. 1-12.
1925e.-May.-Six new Thysanoptera from the Western United States.
Ent. News. 36: 101-105, Apr.; 134-138, May.
1925f.-June.-Notes on New York Thysanoptera, with descriptions of
new genera and species. I. Bul. Brook. Ent. Soc. 20 (3): 124-131.
(Mailed Aug. 14.)
1925g.-June.-New species of Taeniothrips (Thysanoptera) from Africa.
The Entomologist. 58: 132-139.
1925h.-Sept.-Four new Phleothripidae from the United States (Thysa-
noptera). Can. Ent. 57 (9): 218-222.
1926.-Thysanoptera. Reprint from "A preliminary biological survey of
the Lloyd-Cornell Reservation near McLean, New York." Bul. Lloyd
Library. Ent. Ser. No. 5, 1926, p. 94.
1927a.-Mar.-and C. B. Williams. A synopsis of the thysanopterous
family Urothripidae. Ann. Ent. Soc. Amer. 20 (1): 1-9, PI. I; PI.
II, figs. 1-5.
1927b.-March.-A contribution toward the knowledge of New York Thy-
sanoptera with descriptions of new genera and species. II. Entomolo-
gica Americana, n.s. 7 (4): 209-245. P1. XX, figs. 1-5, P1. XXI, figs.
1-7. (Issued June 14.)
1927c.-Apr.-Nineteen synonyms in the North American Thysanoptera.
Ent. News. 38 (4): 112-113.
1927d.-Apr.-On the synonymy of some Thysanoptera occurring in Cali-


fornia. Pan.-Pac. Ent. 3 (4): 173-178, fig. 1, a-b. (Mailing date
June 9.)
1927e.-May.-Three new Phlaeothripidae (Thysanoptera) from the Dis-
trict of Columbia. Proc. Ent. Soc. Wash. 29 (5): 111-117, P1. 5,
figs. 1-7.
1927f.-June.-New Thysanoptera from the United States. Jour. N. Y.
Ent. Soc. 35: 123-146, P1. XIII, figs. 1-4, P1. XIV, figs. 1-4.
1927g.-Sept.-A blood-sucking thrips. The Entomologist. 60 (772): 201.
1927h.-Dec. 2.-New western Thysanoptera. Proc. Biol. Soc. Wash. 40:
1927i.-Dec.-New Neotropical Thysanoptera collected by C. B. Williams.
II. Psyche. 34 (6) : 230-246.
1928a.-Jan.-and G. W. Herrick. A list of the insects of New York.
Order Thysanoptera. Memoir 101, Cornell Univ. Agr. Exp. Sta.
pp. 66-72.
1928b.-June.-A new Actinothrips (Thysanoptera) from Brazil. Bul.
Brook. Ent. Soc. 23 (3): 147-150, fig. 1, a-b. (Mailed Aug. 7.)
1929.-Dec.-Two Urothripidae (Thysanoptera) from Florida, with keys
to the known genera and the North American species. Bul. Brook.
Ent. Soc. 24 (5): 314-322, P1. XXIX, figs. 1-9. (Mailed Jan. 6, 1930.)
1931a.-Feb.-A new genus and species of Aeolothripidae (Thysanoptera)
from Chile. Bul. Brook. Ent. Soc. 26 (1): 1-3, fig. 1, a-c. (Mailed
Apr. 2.)
1931b.-Apr.-Synonyms in the North American Thysanoptera. Pan-Pac.
Ent. 7 (4) : 170-172.
1931c.-Oct.-Notes on New York Thysanoptera, with descriptions of new
genera and species. III. Bul. Brook. Ent. Soc. 26 (4): 151-170, P1.
VII, figs. 1-7, P1. VIII, figs. 1-7. (Mailed Dec. 8.)
1932a.-Feb.-and Sabra J. Hook. Tergo-Sternal muscles in the Thysa-
noptera. Bul. Brook. Ent. Soc. 27 (1): 1-6, P1. I-III. (Mailed
Mar. 31.)
1932b.-Mar.-A new thrips from Plummer's Island, Maryland. Proc.
Ent. Soc. Wash. 34 (3): 37-40, P1. 5, figs. 1-4.
1932c.-June.-New species of the genus Thrips from Central Africa and
Egypt. Bul. Soc. Roy. Ent. d'Egypt, fasc. 3, pp. 115-158, Seance du
21 Juin 1932, Planches III-XI.
1933a.-Apr.-Rhabdothrips albus, a new genus and species of Thysanop-
tera from Panama. Proc. Ent. Soc. Wash. 35 (4): 45-48, P1. 3,
figs. 1-5.
1933b.-Oct.-Three new species of Thrips Linn6 from the western United
States. Pan-Pac. Ent. 9 (4): 173-182, Cut 1, figs. 1-4, Cut 2, figs.
1-4, Cut 3, figs. 1-4.
1933c.-Nov. 20.-Three new Urothripidae from Panama. Proc. Biol. Soc.
Wash. 46: 213-215.
1933d.-Dec.-Notothrips folsomi, a new genus and species of Thysanop-
tera from the United States. Proc. Ent. Soc. Wash. 35 (9): 200-205,
P1. 9, figs. 1-4, P1. 10, figs. 1-4.

VOL. XXXII-No. 1 17

1933e.-Dec.-New Thysanoptera from Panama. Jour. N. Y. Ent. Soc.
41: 407-434.
1934a.-Feb. 9.-Some further new Thysanoptera from Panama. Proc.
Biol. Soc. Wash. 47: 57-81.
1934b.-Mar.-A new Eurythrips (Thysanoptera) from Trinidad. Psyche.
41 (1): 1-5, P1. I, figs.'1-4.
1934c.-Apr. 14.-A new Macrophthalmothrips (Thysanoptera) from Tan-
ganyika. Stylops. 3 (part 4): 84-87, figs. 1-3.
1934d.-May.-Two new genera and species of Phlaeothripidae (Thysa-
noptera). Proc. Ent. Soc. Wash. 36 (5): 111-120, P1. 17, figs. 1-5,
P1. 18, figs. 1-4.
1935a.-May 3.-Ten new Thysanoptera from Panama. Proc. Biol. Soc.
Wash. 48: 83-106, P1. IV, figs. 1-5.
1935b.-June.-Some new or little-known Thysanoptera of the Family
Phlaeothripidae. Rev. de Ent. 5 (2): 159-199, figs. 1-8.
1935c.-June.-Eleven new Thripidae (Thysanoptera) from Panama. Jour.
N. Y. Ent. Soc. 43 (2): 143-172, P1. XI, figs. 1-7; P1. XII, figs. 1-5.
1935d.-June 19.-Five new Thysanoptera of the genus Aeolothrips (Aeolo-
thripidae). Trans. Amer. Ent. Soc. 61 (2) : 103-110, P1. III, figs. 1-5.
1935e.-Sept. 14.-A note on Heterogony in the Thysanoptera, with de-
scriptions of two new species from Tanganyika. Stylops. 4 (part 9):
193-201, figs. 1-3.
1935f.-Nov. 15.-The Thysanopterous genus Actinothrips. Stylops. 4
(part 2): 247-254, fig. 1, a-d, fig. 2, a-e.
1936a.-Mar.-Two new Thysanoptera from the United States. Psyche.
43 (1): 1-9, figs. 1, a-c, 2, a-b. (Mailed May 28, 1936.)
1936b.-May 1.-Frankliniella gossypiana, new name. Proc. Biol. Soc.
Wash. 49: 68.
1936c.-June 1.-Nine new Thysanoptera from the United States. Jour.
N. Y. Ent. Soc. 44 (2): 81-100, fig. 1, a-b. (Mailed June 25.)
1936d.-July 15.-Two new Anactinothrips from South America (Thysa-
noptera). Proc. Roy. Ent. Soc., London, ser. B, 5 (7): 143-147,
fig. 1, a-b.
1936e.-July.-Studies in Neotropical Thysanoptera. I. Revis. de Ent.
6 (2): 248-279, figs. 1-4. (Date of publication July 15.)
1936f.-Oct.-Studies in Neotropical Thysanoptera. II. Rev. de Ent. 6
(3-4) : 424-460, figs. 1-5. (Date of publication Oct. 30.)
1937a.-Jan.-New genera and species of Thysanoptera from South Africa.
Ann. Mag. Nat. Hist. Ser. 10., 19: 97-113, figs. 1-3.
1937b.-Mar.-On some Thysanoptera from American conifers. Ent. News.
48 (3) : 74-80, figs. a, b.
1937c.-Mar.-Studies in Neotropical Thysanoptera. III. Rev. de Ent. 7
(1): 96-115, figs. 1, a-1, 2, a-g. (Date of publication Mar. 30.)
1937d.-July.-A new Melanthrips (Thysanoptera) from South Africa.
Ent. Mo. Mag. ser. 3, 23: 154-156, fig. 1, a-c.


1937e.-July.-Studies in Neotropical Thysanoptera. IV. Rev. de Ent.
7 (2-3): 255-296, figs. 1-7. (Date of publication July 24.)
1937f.-Aug. 7.-A new ant-like thrips from Florida. Proc. Biol. Soc.
Wash. 50: 111-113.
1937g.-Oct.-Studies in Neotropical Thysanoptera. V. Rev. de Ent.
7 (4): 486-530, figs. 1-9. (Date of publication Oct. 11.)
1937h.-Dec.-A new Euoplothrips (Thysanoptera) from the Solomon
Islands. Ann. Mag. Nat. Hist. ser. 10, 20: 599-604, fig. a, b.
1938a.-Feb. 18.-A new subgenus and species of Thysanoptera from the
Cameroons. Proc. Biol. Soc. Wash. 51: 11-13.
1938b.-Feb. 18.-A new genus and species of Phlaeothripidae (Thysanop-
tera) from Palmetto. Proc. Biol. Soc. Wash. 51: 27-32.
1938c.-Insects of North Carolina. Order Thysanoptera, Thrips, pp.
55-58, Pub. by N. C. Dept. Agr. (Edited by C. S. Brimley.)'
1938d.-Mar.-A new Chirothrips (Thysanoptera) from Cyprus. Ent.
Mo. Mag. ser. 3, 24 (279) : 56-59, fig. 1.
1938e.-Mar.-Studies in Neotropical Thysanoptera. VI. Rev. de Ent.
8 (1-2): 161-187, figs. 1-3. (Date of publication Mar. 26.)
1938f.-June.-New Thysanoptera from Florida and North Carolina. Rev.
de Ent. 8 (3-4): 348-420. (Date of publication June 25.)
1938g.-July.-On some European species of Chirothrips (Thysanoptera).
Ent. Mo. Mag. ser. 3, 24 (283) : 158-164, fig. 1, a-b, 2, a-b.
1938h.-Sept.-Studies in Neotropical Thysanoptera. VIII. Rev. de Ent.
9 (1-2) : 218-247, fig. 1. (Date of publication Sept. 27.)
1938i.-Sept.-Nine new Thysanoptera from North America. Amer.
Midld. Nat. 20 (2) : 354-367.
1938j.-Dec.-Seven new Phlaeothripidae from the United States. Bul.
Brook. Ent. Soc. 33 (5): 205-218. (Mailed Jan. 13, 1939.)
1938k.-Dec.-Studies in Neotropical Thysanoptera. VIII. Rev. de Ent.
9 (3-4): 404-426. (Date of publication Dec. 31.)
1939a.-Sept.-Notes on Chirothrips, with descriptions of two new species
(Thysanoptera). Rev. de Ent. 10 (2) : 461-471. (Date of publication
Sept. 4.)
1939b.-Dec.-New North American Thysanoptera, principally from Texas.
Rev. de Ent. 10 (3): 550-619, fig. 1. (Date of publication Dec. 22.)
1939c.-A new Polyphemothrips (Thysanoptera) from Peru. Rev. Chilena
Hist. Nat. 42: 217-200, fig. 20, a, b. Santiago. 1938.
1940a.-June.-A century of new American Thysanoptera. I Rev. de Ent.
11 (1-2): 540-583, fig. 1. (Date of publication June 28.)
1940b.-Aug.-Organothrips bianchii, a new Hawaiian thrips from Taro.
Proc. Haw. Ent. Soc. (for the year 1939). 10 (3): 423-427, P1. 24,
figs. a-e.
1940c.-Sept.-Two new Heliothripinae (Thysanoptera) from the Trans-
vaal. Jour. Ent. Soc. So. Afr. 3: 35-41, fig. 1, a-b.
1940d.-The cause and significance of Macropterism and Brachypterism
in certain Thysanoptera, with description of a new Mexican species.


Ann. de la Escuela Nacional de Ciencias Biol. 1 (3-4): 497-505,
figs. 1-2. (Ano de 1939.)
1940e.-A new Teuchothrips (Thysanoptera) from Mexico. Ann. de la
Escuela Nacional de Ciencias Biol. 1 (3-4) : 507-513, Pl. 76.
1941a.-July.-A century of new American Thysanoptera. II. Rev. de Ent.
12 (1-2): 139-243, figs. 1-11. (Date of publication July 31.)
1941b.-Dec.- A century of New American Thysanoptera. III. Rev. de Ent.
12 (3) : 547-678, figs. 12-16. (Date of publication Jan. 31, 1942.)

LIST OF TEREBRANTIA Described by J. Douglas Hood
Aeolothrips annectans, 1916e. No. Amer. = melaleucus Hal., 1852. Pries-
ner, 1926. Thys. Europas, p. 111.
bervicauda, 1935d. No. Amer.
crassus, 1912d. No. Amer.
faurei, 1935d. Africa.
kuwanaii var. crucifer, 1935d. No. Amer.
microstriatus, 1935d. Panama.
oculatus, 1927f. No. Amer.
oregonus, 1935d. No. Amer.
pallidicornis, 1938i. No. Amer.
vehemens, 1927f. No. Amer.
vittipennis, 1912d. No. Amer.
wetmorei, 1927f. No. Amer.
Anaphothrips amoenus, 1940a. No. Amer.
bicinctus, 1925c. Trinidad.
catawba, 1938f. No. Amer.
decolor, 1925e. No. Amer.
flavidus, 1925a. Africa.
limbatus, 1935c. Panama.
nanus, 1941a. No. Amer.
ripicola, 1940a. No. Amer.
spartina, 1939b. No. Amer.
speciosus, 1919c. Australia.
tenebrosus, 1938i. No. Amer.
zizania, 1928i. No. Amer.
Ankothrips diffractus, 1924b. No. Amer.
Arpediothrips Hood, 1927h. Genotype: Arpediothrips mojave.
mojave, 1927h. No. Amer.
Astrothrips angulatus, 1925c. Trinidad.
constrictus, 1925c. Trinidad.
pentatoma, 1925a. Africa.
Bregmatothrips Hood, 1912b. Genotype: Bregmatothrips venustus.
gracilis Hood and Wms., 1915f. No. Amer.
venustus, 1912b. No. Amer.
Chilothrips Hood, 1916e. Genotype: Chilothrips pini.
pini, 1916e. No. Amer.
Chirothrips auriventris, 1939a. No. Amer. = texanus Andre, 1939. (New
synonymy to be credited to Andre who so informed the writer in


Correspondence April 26, 1948.)
bagnalli, 1938g. Spain. (Holotype is part of type series of Bagnall's
Chirothrips similis var. products, 1932.)
bradleyi, 1941a. No. Amer.
crenulatus, 1927f. No. Amer.
cuneiceps, 1940a. No. Amer.
cypriotes, 1938d. Cyprus.
dorsalis, 1939b. No. Amer.
insolitus, 1915a. No. Amer.
insularis, 1938g. Cyprus.
lenape, 1938i. No. Amer.
orizaba, 1938i. No. Amer.
partruelis, 1940a. No. Amer.
products, 1927f. No. Amer.
simplex, 1927f. No. Amer. = falsus Pr. Andre, 1939. Hood, 1939a.
spiniceps, 1915a. No. Amer.
talpoides, 1939a. No. Amer.
vestis, 1915a. No. Amer.
xanthius, 1933e. Panama.
Coremothrips Hood, 1925c. Genotype: Coremothrips pallidus.
pallidus, 1925c. Trinidad, Panama.
Corynothrips cruentatus, 1934a. Panama.
Desmothrips Hood, 1915c. Genotype: Orothrips australis Bagn., 1914. Ann.
Mag. Nat. Hist. ser. 8, 13: 287.
Dinurothrips Hood, 1913e. Genotype: Dinurothrips hookeri.
hookeri, 1913e. Puerto Rico.
Dorcadothrips nevini, 1941a. No. Amer.
Dorythrips Hood, 1931a. Genotype: Dorythrips chilensis.
chilensis, 1931a. So. Amer.
Echinothrips subflavus, 1927b. No. Amer.
Enneothrips Hood, 1935c. Genotype: Enneothrips gustaviae.
gustaviae, 1935c. Panama.
Erythrothrips costalis, 1937g. So. Amer.
nigripennis, 1937e. So. Amer.
stygicus, 1938h. So. Amer.
Euceratothrips Hood, 1936f. Genotype: Euceratothrips marginipennis.
marginipennis, 1936f. So. Amer.
Eugeneothrips Hood, 1938a. Genotype: Taeniothrips (Eugeneothrips)
priesneri, 1938a. Africa.
Fauriella Hood, 1937a. Genotype: Fauriella natalensis.
natalensis, 1937a. Africa.
Frankliniella achaeta, 1925d. No. Amer.
alonsoae, 1941b. So. Amer.
alticola, 1941b. So. Amer.
ameliae, 1925d. Panama.
annulipes, 1915a. Panama.
antennata, 1937c. So. Amer.

VOL. XXXII-No. 1 21

auripes, 1915a. So. Amer.
bagnalliana, 1925d. Panama.
bondari, 1941b. So. Amer.
borinquen, 1941b. Puerto Rico.
brevicaulis, 1937c. Panama.
castanea, 1941b. So. Amer.
citripes, 1916e. Cuba.
cognata, 1941b. So. Amer.
compositarum, 1941b. So. Amer.
cubensis, 1925d. Cuba.
curta, 1941b. Trinidad.
difficilis, 1925d. W. Indies.
divers, 1935c. Panama.
exigua, 1925d. No. Amer.
extremitata, 1937c. So. Amer.
fuscicauda, 1927h. No. Amer.
genuina, 1925d. No. Amer.
gossypiana, 1936b. No. Amer. New name for F. gossypii (Morgan),
inca, 1941b. So. Amer.
maculipes, 1941b. So. Amer.
nigricauda, 1925c. Trinidad.
nubilicornis, 1941b. So. Amer.
panamensis, 1925d. Panama.
parvula, 1925c. Trinidad, Panama.
peruviana, 1937c. So. Amer.
phaeaner, 1941b. So. Amer.
pineticola, 1941b. Cuba.
pulchella, 1935c. Panama.
regalis, 1941b. So. Amer.
regia, 1941b. So. Amer.
regina, 1937e. So. Amer.
rex, 1941b. So. Amer.
solidaginis, 1941b. No. Amer.
standleyana, 1935c. Panama.
stylosa, 1912d. No. Amer.
sulfuripes, 1937c. Panama.
tridacana, 1937c. Panama.
trinidadensis, 1941b. Trinidad.
trisetosa, 1941b. So. Amer.
tritici var. moultoni, 1914f = F. moultoni. Moulton, 1935. Pan-Pacific
Ent. 11 (4): 170 and Moulton, 1948.
tympanona, 1915a. So. Amer.
williamsi, 1915a. No. Amer.
xanthaner, 1941b. So. Amer.
xanthomelaena, 1937g. So. Amer.
zeteki, 1925d. Panama.
(For a review of Frankliniella see Moulton. 1948. Rev. de Ent. 19 (1-2):
Franklinothrips tenuicornis, 1915d. Panama.


Halmathrips Hood, 1936e. Genotype: Halmathrips citricinctus.
citricinctus, 1936e. Trinidad.
Heliothrips cinctipennis, 1912d. No. Amer. = Hercothrips Hood, 1927i.
marginipennis, 1912d. No. Amer. = Hercothrips. ibid.
phaseoli, 1912e. No. Amer. = Hercothrips. ibid.
punctipennis, 1912d. No. Amer. = Hercothrips. ibid.
sculptilis, 1918c. Australia = Hercothrips. ibid.
strictus, 1913d. No. Amer. = Hercothrips. ibid.
Helionothrips crassus, 1937a. Africa.
stephaniae, 1937a. Africa.
Hercinothrips brunneus, 1940c. Africa.
dimidiatus, 1937a. Africa.
Hercothrips Hood, 1927i. Genotype: Heliothrips striatus Hood, 1913d.
funebris, 1927i. So. Amer.
helini, 1940c. Africa.
insularis, 1927i. W. Indies.
masculinus, 1927i. W. Indies.
nanus, 1927i. W. Indies.
williamsi, 1927i. W. Indies.
Heterothrips Hood, 1908a. (nec Buffa, 1908.) Bagnall, 1911. Ann. Soc.
Ent. Belg. 54:461. Genotype: Heterothrips arisaemae. Moulton,
1932. Rev. de Ent. 2 (4): 466.
analis, 1915a. No. Amer.
arisaemae, 1908a. No. Amer.
azaleae, 1916e. No. Amer. = aesculi Wats. 1915. Watson, 1923,
Univ. Fla., Agr. Exp. Sta. Bul. 168, p. 29.
borinquen, 1915a. Puerto Rico.
fimbriatus, 1934a. Panama.
flavicornis, 1915a. Panama.
flavicruris, 1934a. Panama.
lasquerellae, 1939b. No. Amer.
limbatus, 1925f. No. Amer.
lyoniae, 1916e. No. Amer.
minor, 1915a. Panama.
ornatus, 1938h. So. Amer.
pectinifer, 1915a. No. Amer.
peruvianus, 1936f. So. Amer.
pubescens, 1934a. Panama.
sericatus, 1913b. Puerto Rico.
vemus, 1939b. No. Amer.
vitis, 1916b. No..Amer. (nec. H. arisaemae, Morgan, 1913.)
xolismae, 1936c. No. Amer.
Isochaetothrips striatus, 1935c. Panama.
Leucothrips furcatus, 1931c. W. Indies.
Melanthrips faurei, 1937d. Africa.
Merothrips Hood, 1912d. Genotype: M. morgani Hood.
cognatus, 1925c. Trinidad.
fusciceps, Hood and Wms., 1915f. No. Amer.
genuinus, 1938f. No. Amer.


laevis, 1938f. No. Amer.
morgani, 1912d. No. Amer.
nigricornis, 1937e. So. Amer.
products, 1938f. No. Amer.
Odontothrips pictipennis, 1916e. No. Amer.
Opisthothrips Hood, 1937a. Genotype: Opisthothrips elytropappi.
elytropappi, 1937a. Africa.
Organothrips Hood, 1940b. Genotype: Organothrips bianchii.
bianchii, 1940b. Terr. Hawaii.
Oxythrips coloradensis, 1937b. No. Amer.
divisus, 1916f. No. Amer. (Note: Genotype of Oxythrips Uzel, 1895,
here designated by Hood as Oxythrips ajugae Uzel, 1895.)
pallidiventris, 1938i. No. Amer.
pinicola, 1937b. No. Amer.
Perissothrips Hood, 1919b. Genotype: Perissothrips parviceps.
parviceps, 1919b. India.
Phibalothrips Hood, 1918c. Genotype: Phibalothrips exilis.
exilis, 1918c. Australia.
Physothrips funestus, 1915a. No. Amer. (Note: Hood, 1925g, concluded
that Physothrips Karny, 1912 was synonymous with Oxythrips
Uzel, 1895 but did not transfer these five species to Taeiothrips.
See also Treherne, 1923. 53rd. An. Rpt. Ent. Soc. Ont., p. 42
and, Steineweden, 1933. Trans. Amer. Ent. Soc. 59: 269.)
maculicollis, 1918c. Australia.
pictus, 1916e. Africa.
ventralis, 1918a. Africa.
xanthocerus, 1916c. Africa.
Plesiothrips Hood, 1915i. Genotype: Sericothrips ? perplexus Beach, 1896.
amblycauda, 1925c. Trinidad.
brunneus, 1936e. Panama.
octarthrus, 1925c. Trinidad.
typhae, 1940a. No. Amer.
veticalis, 1940a. So. Amer.
williamsi, 1940a. No. Amer.
Prosopothrips cognatus, 1914a. No. Amer.
Protemnothrips, 1937e. Genotype: Heterothrips (Protemnothrips) miconiae,
niconiae, 1937e. So. Amer.
Psectrothrips Hood, 1937e. Genotype: Psectrothrips delostomae.
delostomae, 1937e. So. Amer.
Pseudothrips spadix, 1916e. Panama.
Psilothrips Hood, 1927h. Genotype: Psilothrips pardalotus.
pardalotus, 1927h. No. Amer.
Pterothrips Hood, 1918c. Genotype: Pterothrips quadratus. = Australo-
thrips Bagn., 1916. Bagnall, 1932. Ann. Mag. Nat. Hist. 10
(ser. 10) No. 59, p. 505.
quadratus, 1918c. Australia. = Australothrips bicolor Bagn., 1916.
Rhabdothrips Hood, 1933a. Genotype: Rhabdothrips albus.
albus, 1933a. Panama.


Rhipidothrips cinctus, 1918c. Australia.
Rhipiphorothrips cruentatus, 1919b. India.
Salpingothrips Hood, 1935c. Genotype: Salpingothrips minimus.
minimus, 1935c. Panama.
Scirtothrips australiae, 1919c. Australia.
brevipennis, 1914b. No. Amer.
dorsalis, 1919b. India.
niveus, 1913a. No. Amer.
panamensis, 1935c. Panama.
prosopis, 1939b. No. Amer.
Sericothrips annulipes, 1927b. No. Amer.
apicalis, 1927f. No. Amer.
baptisiae, 1916e. No. Amer.
basilaris, 1941a. Cuba.
beachae, 1927f. No. Amer.
burungae, 1935c. Panama.
campestris, 1939b. No. Amer.
chrysothamni, 1936c. No. Amer.
collaris, 1936c. No. Amer.
ctenogastris, 1936c. No. Amer.
fraxinicola, 1940a. No. Amer.
geminus, 1935c. Panama.
gracilipes, 1924a. No. Amer.
interruptus, 1927f. No. Amer.
inversus, 1927i. W. Indies.
nubilipennis, 1924c. No. Amer.
occipitalis, 1917a. Africa.
opuntiae, 1936c. No. Amer.
pedicellatus, 1927f. No. Amer.
pulchellus, 1908a. No. Amer.
sambuci, 1924c. No. Amer.
sensillis, 1936c. No. Amer.
setosus, 1927f. No. Amer.
spirits, 1927f. No. Amer.
sternalis, 1935c. Panama.
tiliae, 1931c. No. Amer.
tricinctus, 1927i. W. Indies.
williamsi, 1927i. W. Indies.
zebra, 1940a. No. Amer.
Sericopsothrips Hood, 1936c. Genotype: Sericopsothrips palloris.
palloris, 1936c. No. Amer.
Stomatothrips Hood, 1912b. Genotype: Stomatothrips flavus.
atratus, 1939b. No. Amer.
flavus, 1912b. No. Amer.
Stomatothrips septenarius, 1925c. Trinidad.
Taeniothrips aethiops, 1925g. Africa.
debilis, 1925g. Africa.
dilutus, 1925g. Africa.
modestus, 1925g. Africa.


refescens, 1925g. Africa.
silvestris, 1935a. Panama.
vaccinophilus, 1936a. No. Amer.
Thrips aurantithoracis, 1932c. Africa.
aureus, 1915a. No. Amer.
exilicornis, 1932c. Africa.
hirtiventris, 1932c. Africa.
hispidipennis, 1932c. Africa.
impar, 1915a. No. Amer.
meliaefloris, 1932c. Africa.
monotropae, 1927b. No. Amer.
nubilans, 1941a. No. Amer.
pallicornis, 1912d. No. Amer.
pallidicollis, 1933b. No. Amer.
pectinatus, 1932b. No. Amer.
priesneri, 1932c. Africa.
quadrisetosus, 1932c. Africa.
sambucifloris, 1933b. No. Amer. = T. madronii Moulton. (The writer
was informed of this synonymy March 22, 1947 in conversation
with Mr. Moulton to whom it should be credited.)
sieversiae, 1933b. No. Amer.
spadix, 1932c. Africa.
spadix var. brevipes, 1932c. Africa.
thalictri, 1931c. No. Amper.
tripartitus, 1940a. No. Amer.
Thrips varipes, Hood, 1913a. No. Amer.
veratri, 1927b. No. Amer. = Thrips herricki Bagn. 1926. Hood, 1931b.
winnemanae, 1913a. No. Amer.
Tryphactothrips brevipilus, 1927i. Trinidad.
lineatus, 1927i. Trinidad.

LIST OF TUBULIFERA Described by J. Douglas Hood
Acanthothrips albivittatus, 1908a. No. Amer.
candidus, 1938e. So. Amer.
Actinothrips bondari, 1928f. So. Amer.
monochaetus, 1935f. British Guiana.
polychaetus, 1941a. So. Amer.
trichaetus, 1935f. Panama.
Adelothrips Hood, 1938f. Genotype: Adelothrips xanthopus.
conicura, 1941b. So. Amer.
macura, 1941a. Cuba.
pericles, 1938f. No. Amer.
phaeura, 1941a. No. Amer.
sculptilis, 1941b. So. Amer.
xanthopus, 1938f. No. Amer.
Adiaphorothrips amplus, 1925h. No. Amer. = Sporothrips Hood, 1938f.
giraulti, 1918c. Australia.
Adraneothrips Hood, 1925c. Genotype: Haplothrips (?) tibialis Hood,


abdominalis, 1925c. W. Indies.
albicollis, 1-935a. Panama.
alternatus, 1925c. Trinidad, Panama.
bilineatus, 1935a. Panama.
cinctiventris, 1941b. No. Amer.
decorus, 1938f. No. Amer.
diligens, 1935a. Panama.
fuscicollis, 1925c. W. Indies.
huachucae, 1927h. No. Amer.
imbecillus, 1938h. So. Amer.
inca, 1938h. So. Amer.
microsetis, 1941b. So. Amer.
oculatus, 1941b. So. Amer.
peruviensis, 1941b. So. Amer.
pinicola, 1938f. No. Amer.
poecilonotus, 1939b. No. Amer.
rostratus, 1938f. No. Amer.
simulator, 1925c. Trinidad.
stenocephalus, 1938f. No. Amer.
uniforms, 1925c. Trinidad.
xanthosoma, 1938f. No. Amer.
Allothrips Hood, 1908a. Genotype: Allothrips megacephalus. Designated
by Faure, 1933. Bul. Brook. Ent. Soc. 28: 25.
megacephalus, 1908a. No. Amer.
watsoni, 1939b. No. Amer.
Anactinothrips brachyura, 1941b. So. Amer.
cristatus, 1936d. So. Amer.
graphidura, 1938h. So. Amer.
marginipennis, 1941b. So. Amer.
nigricornis, 1936d. So. Amer.
vigilans, 1938h. So. Amer.
Anchylothrips Hood, 1939b. Genotype: Haplothrips (Anchylothrips) preeri.
preeri, 1939b. No. Amer.
Arcyothrips Hood, 1934d. Genotype: Arcyothrips africanus.
africanus, 1934d. Africa.
flor:danus, 1938f. No. Amer.
Arrhenothrips Hood, 1919b. Genotype: Arrhenothrips ramakrishnae. Doubt-
fully referred to Mesothrips by Kelly and Mayne, 1934, pp. 62-63.
ramakrishnae, 1919b. India.
Asemothrips Hood, 1919c. Genotype: Asemothrips picturatus.
picturatus, 1919c. Australia.
Atractothrips Hood, 1938b. Genotype: Atractothrips bradleyi.
bardleyi, 1938b. No. Amer.
Bagnalliella arizonae, 1927h. No. Amer.
australis, 1939b. No. Amer.
desertae, 1927h. No. Amer.
glaucae, 1927f. No. Amer.
huachucae, 1927h. No. Amer.
mojave, 1927h. No. Amer.

VOL. XXXII-No. 1 27

Barythrips Hood and Wms., 1915f. Genotype: Barythrips sculpticauda.
heterocerus, 1925c. W. Indies.
sculpticauda Hood and Wms., 1915f. No. Amer.
Bolothrips litoreus, 1939b. No. Amer.
Botanothrips Hood, 1939b. Genotype: Bolothrips (Botanothrips) pratensis.
pratensis, 1939b. No. Amer.
Bradythrips Hood and Wms., 1925c. Genotype: Bradythrips hesperus.
hesperus, Hood and Wms., 1925c. Br. Guiana.
Cephalothrips hexperus, 1941a. No. Amer.
Cercothrips Hood, 1919a. Genotype: Acanthinothrips nigrodentatus Karny.
Ceuthothrips Hood, 1938f. Genotype: Ceuthothrips timupua.
timupa, 1938f. No. Amer.
Compsothrips recticeps, 1924d. Africa = Oedaleothrips, Hood, 1936e.
Cordylothrips Hood, 1937g. Genotype: Cordylothrips peruvianus.
peruvianus, 1927g. So. Amer.
Cryptothrips acanthus, 1919c. Australia. (Cryptothrips latus Uzel, 1895,
designated by Hood, 1916e, as genotype of Cryptothrips).
acuticornis, 1925c. W. Indies Gastrothrips. Hood, 1935b.
badius, 1918c. Australia = Bolothrips. Hood, 1939b.
(?) breviventris, 1927b. No. Amer.
carbonarius, 1908a. No. Amer.
claripennis, 1919c. Australia.
connaticornis, 1925c. Trinidad.
dimidiatus, 1918c. Australia = Bolothrips Pr., 1926. Hood, 1939b.
dolichos, 1918c. Australia.
exiguus, 1912d. No. Amer.
gilvipes, 1914. No. Amer. = Bolothrips Pr., 1926. Treubia 8: 90-93.
Hood, 1939b. (See also Hood, 1935b. p. 178.)
gradatus, 1925c. W. Indies.
junctus, 1912c. No. Amer.
laticeps, 1918c. Australia.
longiceps, 1912d. No. Amer.
rectangularis, 1908b. No. Amer.
sordidatus, 1927h. No. Amer.
Dasythrips Hood, 1937g. Genotype: Dasythrips regalis.
fraterculus, 1941a. So. Amer.
regalis, 1937e. So. Amer.
Diceratothrips cubensis, 1941a. Cuba.
delicatus, 1941a. No. Amer.
harti, 1912a. No. Amer.
Diceratothrips longipes, 1912a. No. Amer.
obscuricornis, 1941a. Cuba.
picticornis, 1914g. Panama.
princeps, 1934a. Panama.
setigenis, 1941a. No. Amer.
Dichaetothrips Hood, 1914g. Genotype: Dichaetothrips brevicollis.
brevicollis, 1914g. British Guiana.
neivai, 1940a. Cuba.


Diopsothrips Hood, 1933e. Genotype: Diopsothrips flavus.
brunneus, 1933e. Panama.
flavus, 1933e. Panama.
louisianae, 1936c. No. Amer.
Diplacothrips Hood, 1937g. Genotype: Diplacothrips borgmeieri.
borgmeieri, 1937g. So. Amer.
Ecacanthothrips priesneri, 1935e. Africa.
Elaphrothrips acanthomerus, 1941a. So. Amer.
aztecus, 1941a. No. Amer.
blatchleyi, 1938f. No. Amer.
dampfi, 1940d. No. Amer.
defects, 1941a. So. Amer.
indagator, 1936f. So. Amer.
parallelus, 1924c. No. Amer.
peruviensis, 1936f. So. Amer.
prospector, 1936f. So. Amer.
vittipennis, 1940a. No. Amer.
zetetis, 1936f. So. Amer.
Eothrips Hood, 1915e. Genotype: Dolerothrips crassicornis Karny, 1912.
Euoplothrips Hood, 1918c. Genotype: Euoplothrips bagnalli.
bagnalli, 1918c. Australia.
carcinoides, 1937h. Solomon Is.
Eupathithrips panscopus, 1938h. So. Amer.
spectator, 1934a. Panama.
Eurythrips amplus, 1934b. Trinidad.
cinctus, 1927i. Trinidad.
citricollis, 1941a. No. Amer.
claviger, 1941a. No. Amer.
collaris, 1925c. Trinidad.
conjunctus, 1934a. Panama.
connatus, 1938f. No. Amer.
disjunctus, 1941a. No. Amer.
dissimilis, 1938i. No. Amer.
forticornis, 1939b. No. Amer.
gracilicornis, 1925c. Trinidad = Terthrothrips, Hood, 1935b.
harti, 1925e. No. Amer.
hookae, 1933e. Panama.
macrops, 1925h. No. Amer.
pettiti, 1941a. No. Amer.
sculptures, 1936a. No. Amer.
silvarum, 1941a. No. Amer.
tarsalis, 1925h. No. Amer.
tristis, 1941a. No. Amer.
umbrisetis, 1933e. Panama.
watsoni, 1941a. No. Amer.
Exophthalmothrips moultoni, 1941b. So. Amer.
Gastrothrips Hood, 1912d. Genotype: Gastrothrips ruficauda.
abditus, 1935f. Panama.
alticola, 1941b. So. Amer.


callipus, 1935b. No. Amer.
capitalis, 1935b. No. Amer.
dominicanus, 1935b. W. Indies.
fulvicauda, 1937e. So. Amer.
fulviceps, 1937e. So. Amer.
intonsus, 1941a. So. Amer.
monticola, 1941b. So. Amer.
nigrisetis, 1935b. Panama.
parvidens, 1935b. Panama.
picticornis, 1936e. So. Amer.
proteus, 1933e. Panama G. anolis Morgan, 1925. Hood, 1933e,
ruficauda, 1912d. No. Amer.
stygicus, 1935b. Panama.
texanus, 1912d. No. Amer.
trinidadensis, 1935b. Trinidad.
validipennis, 1938f. No. Amer.
Gigantothrips crawfordi, 1919a. Phillipine Is.
Glyptothrips Hood, 1912e. Genotype: Glyptothrips flavescens.
flavescens, 1912e. No. Amer. (Erroneously placed in Pactothrips
originally-see Hood, 1912e, and 1912g).
Gnophothrips Hood and Wms., 1915f. Genotype: Gnophothrips megaceps.
megaceps, Hood and Wms., 1915f. No. Amer.
Goniothrips Hood, 1927h. ?Genotype: Goniothrips denticornis.
denticornis, 1927h. No. Amer.
Gynaikothrips (?) sulcifrons, 1936e. Panama.
Haplothrips anceps, 1918c. Australia.
angustus, 1919c. Australia.
(?) bellus, Hood and Wms., 1915f. No. Amer. = Adraneothrips Hood,
distalis, 1925e. No. Amer.
faurei, 1914g. No. Amer.
froggatti, 1918c. Australia.
graminis, 1912b. No. Amer.
halophilus, 1915a. No. Amer.
humilis, 1914g. Panama.
malifloris, 1916e. No. Amer.
nubilipennis, 1914g. No. Amer.
purpuratus, 1925e. No. Amer.
rectipennis, 1927e. No. Amer.
(?) tibialis, 1914e. Puerto Rico = Adraneothrips Hood, 1925c.
various, 1918c. Australia.
xanthocrepis, 1940a. No. Amer.
Hindsiana dodgei, 1925b. No. Amer. = Karnyothrips Hood, 1927d.
pullata, 1925b. No. Amer.
rhopalocera, 1925c. W. Indies = Karnyothrips Hood, 1927d.
Holopothrips Hood, 1914f. Genotype: Holopothrips signatus.
anacardii, 1941b. So. Amer.
hambletoni, 1938h. So. Amer.


hilaris, 1938h. So. Amer.
orites, 1941b. So. Amer.
permagnus, 1948h. So. Amer.
pictus, 1941b. So. Amer.
signatus, 1914f. Panama.
Holopothrips tenuis, 1914f. Panama.
Hoplandrothrips Hood, 1912d. Subgenus of Phlaeothrips Hal. Genotype:
Phlaeothrips (Hoplandrothrips) xanthopus.
affinis, 1915h. British Guiana.
angustatus, 1927h. No. Amer.
caudatus, 1938k. So. Amer.
costano, 1941b. No. Amer.
cubicola, 1941b. Cuba.
funebris, 1912b. No. Amer.
gynandrus, 1927b. No. Amer.
insolens, 1912d. No. Amer. = Phloeobiothrips Hood. 1925f.
juniperinus, 1912d. No. Amer.
lissonotus, 1941b. No. Amer.
mcateei, 1915a. No. Amer.
microps, 1912d. No. Amer.
nigricestus, 1933e. Panama.
pallens, 1941b. Cuba.
proximus, 1927b. No. Amer.
russelli, 1915a. No. Amer.
salicacearum, 1941b. No. Amer.
scutellaris, 1941b. No. Amer.
symmetricus, 1941b. Host and locality unknown.
virago, 1931c. No. Amer.
xanthopus, 1912d. No. Amer.
Hoplothrips aciculatus, 1941a. No. Amer.
argus, 1939b. No. Amer.
delicatulus, 1939b. No. Amer.
oriochares, 1941b. So. Amer.
rufescens, 1941b. Panama.
tejas, 1939b. No. Amer.
Hyidiothrips Hood, 1948f. Genotype: Hyidiothrips atomarius.
atomarius, 1948f. No. Amer. For this species Hood established a
new subfamily, Hyidiothripinae, which is an anomalous group.
Idolothrips armatus, 1908c. No. Amer. = Elaphrothrips. Hood, 1927b.
Andre. 1940.
flavipes, 1908a. No. Amer. = Elaphrothrips, Hood, 1927b. Made the
genotype of Elaphrothrips (Hood, 1940d.) but preceded by Andre
(1940) who established I. coniferarum Perg., 1896. Andre in
letter, Dec. 9, 1947 confirms his priority.
tuberculatus, 1908c. No. Amer. = Elaphrothrips, Hood, 1927d.
Karnyothrips antennatus, 1938h. Trinidad.
arenicola, 1938j. No. Amer.= Watsoniella. Hood, 1939b, p. 579.
arizona, 1938j. No. Amer.
brimleyi, 1948i. No. Amer. = Watsoniella, Hood, 1940a, p. 571.

VOL. XXXII-No. 1 31

caliginosus, 1938h. So. Amer.
caxamarca, 1938h. So. Amer.
ochropezus, 1934a. Panama.
Kleothrips acanthus, 1918b. Australia. Kelly and Mayne. 1934, p. 70.
atratus, 1919a. Africa.
Lathrobiothrips Hood, 1933e. Genotype: Lathrobiothrips ramuli.
insignis, 1938e. So. Amer.
ramuli, 1933e. Panama. (See also Hood, 1938e.)
woytkowskii, 1941b. So. Amer.
Leeuwenia convergens, 1918c. Australia = Hoodiella, Kelly and Mayne,
1934. Sydney.
Leptothrips Hood, 1909c. Genotype: Cryptothrips aspersus Hinds, 1902 =
Leptothrips mali (Fitch), 1855. "Neotypes" designated by Hood,
acaciae, 1938j. No. Amer.
heliomanes, 1927h. No. Amer.
larreae, 1938j. No. Amer.
oregonensis, 1938j. No. Amer.
oribates, 1938j. No. Amer.
papago, 1938j. No. Amer.
singularis, 1941a. No. Amer.
vittipennis, 1938. Panama.
Liothrips araliae, 1935a. Panama.
avocadis, 1935a. Panama.
badius, 1925a. Africa.
barronis, 1936e. Panama.
bispinosus, 1938k. Panama.
brevicornis, 1913a. No. Amer.
brevidens, 1918c. Australia = Teuchothrips. Hood, 1919c.
castaneae, 1915j. No. Amer.
connatus, 1918c. Australia = Teuchothrips. Hood, 1919c.
cordiae, 1935a. Panama.
disjunctus, 1918c. Australia = Teuchothrips. Hood, 1919c.
epimeralis, 1938k. So. Amer.
genualis, 1925a. Africa.
gracilior, 1918c. Australia = Teuchothrips. Hood, 1919c.
leucogonis, 1915j. No. Amer.
montanus, 1913a. No. Amer.
ocellatus, 1908a. No. Amer. (See also Hood, 1909a, 1909c, and
ordinarius, 1919b. India = Eurhynchothrips. Karny, 1926. Mem.
Dept. Agr. India., Ent. Ser., 9 (6): 210.
penetralis, 1935a. Panama.
sambuci, 1913a. No. Amer.
tenuis, 1918c. Australia.
tessariae, 1915a. So. Amer.
tupac, 1938k. So. Amer.
umbratus, 1918c. Australia = Gynaikothrips. Karny, 1928. Treubia
(10)1: 39.


varicornis, 1912b. No. Amer.
vigilax, 1938k. So. Amer.
xanthocerus, 1927h. No. Amer.
zeteki, 1913c. Panama.
Lissothrips Hood, 1908a. Genotype: Lissothrips muscorum. Up to this
time not designated.
breviceps, 1925c. Trinidad.
claripes, 1940a. No. Amer.
muscorum, 1908a. No. Amer.
ocellatus, 1939b. No. Amer.
pallipes, 1925c. Trinidad.
Macrophthalmothrips exilicornis, 1941b. Trinidad.
femoralis, 1941b. So. Amer.
helenae, 1934a. Panama.
narcissus, 1934a. Panama.
pulchellus, 1934c. Africa.
williamsi, 1925c. Trinidad.
Malacothrips adranes, 1938f. No. Amer.
roycei, 1941a. No. Amer.
Megalothrips picticornis, 1927h. No. Amer.
spinosus, 1908b. No. Amer.
Mesothrips australiae, 1918c. Australia.
Metriothrips Hood, 1936e. Genotype: Metriothrips midas.
midas, 1936e. Panama.
Neoheegeria indica, 1919b. India = Dolichothrips. (This new synonymy
is to be credited to Priesner who informed me of this in correspond-
ence, Feb. 18, 1939.)
Neosmerinthothrips (?) debilis, 1936e. Panama.
Neothrips Hood, 1908a. Genotype: Neothrips corticis. Not designated up
to this time.
corticis, 1908a. No. Amer.
Neurothrips Hood, 1924c. Genotype: Acanthothrips magnafemoralis Hinds,
1902. (See also Hood, 1938e.)
allopterus, 1938e. So. Amer.
williamsi, 1925c. Panama. See also Hood, 1938e.
Notothrips Hood, 1933d. Genotype: Phlaeothrips vittatus Hood, 1912a.
folsomi, 1933d. No. Amer.-
Oedaleothrips Hood, 1916f. Genotype: Oeadaleothrips hookeri.
aeneus, 1937e. So. Amer.
bailey, 1941a. No. Amer.
bradleyi, 1937f. No. Amer.
brunneus, 1941a. No. Amer.
campestris, 1941a. No. Amer.
graminis, 1936a. W. Indies.
hookeri, 1916f. No. Amer.
jacksoni, 1925e. No. Amer.
Ommatothrips Hood, 1915a. Genotype: Ommatothrips gossypii Hood.
gossypii, 1915a. So. Amer.

VOL. XXXII-No. 1 33

Ophthalmothrips Hood, 1919a. Genotype: Ophthalmothrips pdmeroyi.
pomeroyi, 1919a, Africa.
Orthothrips woytkowskii, 1938k. So. Amer.
Pactothrips Hood, 1912e. = Glyptothrips. Hood. 1914g.
Parallothrips Hood, 1939b. Genotype: Parallothrips thomasi.
thomasi, 1939b. No. Amer.
Pathothrips, 1937g. Genotype: Hoplandrothrips (Pathothrips) proteus.
proteus, 1937g. So. Amer.
Phlaeothrips chapmani, 1927b. No. Amer.
forbesi, 1940a. No. Amer.
maculatus, 1909c = Stictothrips. Hood, 1924d.
ornatus, 1913a. No. Amer. = Poecilothrips. Hood, 1927b.
poecilus, 1935e. Africa.
vittatus, 1912a. No. Amer. = Notothrips. Hood, 1933d.
Phaulothrips Hood, 1918c. Genotype: Phaulothrips vuilleti.
vuilleti, 1918c. Australia.
Phloeobiothrips Hood, 1925f. Genotype: Phloeobiothrips tumiceps.
tumiceps, 1925f. Australia.
Phthirothrips morgani, 1941a. No. Amer.
Phyllothrips Hood, 1908b. Genotype: Phyllothrips citricornis = Liothrips.
Bagnall, 1911. Ann. Soc. Ent. Belg. 54: 461.
citricornis, 1908b. No. Amer. = Liothrips. Hood, 1918c. (See also
Hood, 1909c.)
umbripennis, 1909a. No. Amer. = Liothrips. Hood, 1918c. (See also
Hood, 1909c.)
Plectrothrips Hood, 1908a. Genotype: Plectrothrips antennatus. Desig-
nated by Moulton. 1933. Rev. de Ent. 3 (3) : 285.
antennatus, 1908a. No. Amer.
atactus, 1924d. Africa.
impatiens, 1925c. Trinidad.
latus, 1941a. Panama.
longisetis, 1941a. No. Amer.
pallipes, 1916g. W. Indies.
Podothrips Hood, 1913b. Genotype: Podothrips semiflavus.
denticeps, 1916a. Africa.
semiflavus, 1931b. Puerto Rico.
xanthopus, 1919c. Australia.
Polyommatothrips vigilans, 1913c. Panama = Sedulothrips. Hood, 1938k.
Polyphemothrips corticis, 1914g. Panama.
cuneatus, 1939c. So. Amer.
minor, 1937g. So. Amer.
tenuiceps, 1937e. So. Amer.
tibialis Hood and Wms., 1915f. No. Amer.
woytkowskii, 1937e. So. Amer.
yupanqui, 1937g. So. Amer.
Preeriella Hood, 1939b. Genotype: Chirothripoides minutus Watson, 1927.
Priesneriella Hood, 1927h. Genotype: Priesneriella citricauda.
citricauda, 1927h. No. Amer.


Pristothrips Hood, 1925c. Genotype: Pristothrips aaptus.
aaptus, 1925c. Trinidad. (See also Hood, 1938e.)
albipunctatus, 1925c. Trinidad.
peruviensis, 1938e. So. Amer.
Pselaphothrips Hood, 1916a. Genotype: Pselaphothrips pomeroyi.
pomeroyi, 1916a. Africa.
Pygidiothrips Hood, 1938f. Genotype: Pygidiothrips seminole.
seminole, 1938f. No. Amer.
Pygothrips Hood, 1915b. Genotype: Pygothrips rugicauda.
albiceps, 1938f. No. Amer.
breviceps, 1933e. Panama.
conifer, 1925c. Trinidad.
fortis, 1938f. No. Amer.
needhami, 1938f. No. Amer.
nigricauda, 1925c. Trinidad.
Pygothrips rugicauda, 1915b. Australia. The family Pygothripidae was
established by Hood at this time.
zeteki, 1933e. Panama.
Rhopalothrips Hood, 1912b. Genotype: Rhopalothrips bicolor.
bicolor, 1912b. No. Amer.
Rhynchothrips Hood, 1912d. Genotype: R. pruni.
debilis, 1925h. No. Amer.
dentifer, 1912d. No. Amer.
piger, 1925e. No. Amer.
pruni, 1912d. No. Amer.
rostratus, 1927h. No. Amer.
russelli, 1925b. No. Amer.
(?) salicarius, 1913a. No. Amer.
soror, 1918c. Australia.
usitatus, 1927e. No. Amer.
Scopaeothrips Hood, 1912b. Genotype: Scopaeothrips unicolor.
unicolor, 1912b. No. Amer.
Sedulothrips quichua, 1938k. So. Amer.
tristis, 1933e. Panama.
Sophiothrips Hood, 1933e. Genotype: Sophiothrips squamosus.
panamensis, 1933e. Panama.
squamosus, 1933e. Panama.
unicolor, 1939b. No. Amer.
Sporothrips Hood, 1938f. Genotype: Adiaphorothrips amplus Hood, 1925h.
Stegothrips Hood, 1934d. Genotype = Stegothrips barronis.
barronis, 1934d. Panama.
Stephanothrips bradleyi, 1927h. No. Amer.
carolina, 1938i. No. Amer.
occidentalis, Hood and Wms., 1935c. Trinidad.
Stictothrips Hood, 1924d. Genotype: Phloeothrips maculatus Hood, 1909c.
faurei, 1924d. Africa.
Strepterothrips Hood. 1933e. Genotype = Strepterothrips conradi.
conradi, 1933e. Panama.

VOL. XXXII-No. 1 35

Symphyothrips Hood and Wms., 1915f. Genotype: Symphyothrips punc-
punctatus, Hood and Wms., 1915f. No. Amer.
Syncerothrips Hood, 1935b. Genotype: Syncerothrips harti.
harti, 1935b. No. Amer.
Terthrothrips clavivestis, 1935f. Panama. (Genotype of Terthrothrips here
designated as Phlaeothrips sanguinolentus Bergroth, 1896 by
Teuchothrips Hood, 1919c. Genotype: Teuchothrips simplicipennis.
badiipennis, 1919c. Australia.
pithecolobii, 1940e. No. Amer.
simplicipennis, 1919c. Australia.
Trachythrips Hood, 1929. Genotype = Trachythrips watsoni.
albipes, 1933c. Panama.
brevis, 1939b. No. Amer.
deleoni 1933c. Panama.
epimeralis, 1941a. So. Amer.
frontalis, 1933c. Panama.
gracilis, 1939b. No. Amer.
seminole, 1939b. No. Amer. (New name for T. watsoni Hood, var.
fairchildi Watson, 1937.)
watsoni, 1929. No. Amer.
Trichinothrips panamensis, 1935a. Panama.
Trichothrips americanus, 1908a. No. Amer. = Karnyothrips. Hood, 1938c.
ampliceps, 1938f. No. Amer. = Hoplothrips. Hood, 1939b.
angusticeps, 1908a. No. Amer.
anomocerus, 1912c. No. Amer.
buffae, 1908a. No. Amer. Rhynchothrips. Hood, 1912d.
calcaratus, 1925c. Trinidad.
connexus, 1919c. Australia.
flumenellus, 1931c. No. Amer. = Hoplothrips. Hood, 1939b.
fumiceps, 1925b. No. Amer.
fuscicornis, 1916e. No. Amer. = Hoplothrips. Hood, 1941b. p. 578.
graminis, 1933e. Panama = Hoplothrips. Hood, 1939b.
karnyi, 1914b. No. Amer. = Hoplothrips. Hood, 1938c. 1939b.
J. C. Crawford, 1939b.
karnyi major, 1914e. No. Amer. = Hoplothrips flavipes (Bagn.), 1910.
Hood, 1915e. 1927b. 1939b.
leibyi, 1938f. No. Amer.
longitubus, 1908a. No. Amer.
marginalis, Hood and Wms., 1915f. No. Amer.
mediamericanus, 1933e. Panama = Hoplothrips. Hood, 1939b.
militaris, 1933e. Panama.
moultoni, 1934a. Panama.
occipitalis, 1933e. Panama.
orbiceps, 1933e. Panama.
pergandei, 1927e. No. Amer.
rubicundulus, 1938f. No. Amer.
sculpticollis, 1938f. No. Amer.


smith, 1909a. No. Amer.
terminalis, Hood and Wms., 1915f. No. Amer.
transvaalensis, 1924d. Africa.
tyrannus, 1933e. Panama.
xanthocephalus, 1936c. No. Amer.
zonatus, 1914g. Panama.
Tylothrips Hood, 1937g. Genotype: Tylothrips concolor.
concolor, 1937g. So. Amer.
Watsoniella anthracina, 1939b. No. Amer.
dimidiata, 1939b. No. Amer.
festival, 1939b. No. Amer.
noveboracensis, 1940a. No. Amer.
texensis, 1940a. No. Amer.
Williamsiella Hood, 1925c. Genotype: Williamsiella bicoloripes.
bicoloripes, 1925c. Trinidad.
Zactinothrips Hood, 1936f. Genotype: Zactinothrips elegans.
elegans, 1936f. So. Amer.
modestus, 1941a. So. Amer.
Zaliothrips Hood, 1938f. Genotype: Zaliothrips citripes.
citripes, 1938f. No. Amer.
nigripes, 1938k. So. Amer.
Zeuglothrips Hood, 1936f. Genotype: Zeuglothrips echinus.
echinus, 1936f. So. Amer.
Zeugmatothrips annulipes, 1941a. So. Amer.
badiicornis, 1936f. So. Amer.
badiipes, 1937e. So. Amer.
bispinosus, 1937g. So. Amer.
priesneri, 1935a. Panama.
Zygothrips americanus, 1912e. No. Amer. = Karnyothrips. Hood, 1938c.
(= Xylaplothrips, Priesner, 1939.)
bicolor, Hood and Wms., 1915f. No. Amer. = Haplothrips (Hindsiana)
melaleucus (Bagn., 1911). Priesner, 1928. Thys. Europas, p. 624.
cingulatus, 1919c. Australia.
harti, 1913a. No. Amer. = Watsoniella, Hood, 1940a. (= Xylaplo-
thrips, Priesner, 1939.)
inermis, 1919c. Australia.
longiceps, 1908a. No. Amer. = Karnyothrips. Hood, 1938h and 1938j.
pallescens, 1919c. Australia.
pallidus, 1912d. No. Amer. = Karnyothrips Hood, 1938j. (Also see
Hood, 1939b, p. 579; Watsoniella pallida.)
pullus Hood and Wms., 1915f. No. Amer. = Cephalothrips errans
Moulton, 1911. Hood, 1927d. Priesner, 1939. Proc. Roy. Ent.
Soc. London, Ser. B, 8 (part 4): 74.
speciosus, 1925c. W. Indies.

VOL. XXXII-No. 1 37


School of Tropical Medicine, San Juan, Puerto Rico

The new mites described below were found associated with
rats in the course of an ectoparasite survey now in progress
at San Juan, Puerto Rico. Types of these new species are in
the entomological collection of the School of Tropical Medicine.

Gamasiphis illotus, n. sp.
(Fig. 1)
FEMALE.-Body glabrous, about .47 mm. long and about .33 mm. wide.
Mouthparts not suitable for description. Jugular plates convex, not definite
in form. Sternal plate typical of the genus. Genital plate reaching to
below the middle of coxa III, provided with a pair of oval lighter depres-
sions which are closer to the posterior border than to the anterior. Between
the genital plate and the anal pore are about 8 small setae. Anal pore
small, shield-shaped, its paired setae almost minute. Stigma distant from
the body margin; peritreme long extending beyond coxa I. For further
details of the ventral plates see Fig. 1. Dorsal plate glabrous.
TYPE MATERIAL.-Female holotype from Rattus norvegicus collected
at San Juan (Santurce), Puerto Rico during 1947.
REMARKS.-Similar to G. uncifer Trig., this species differs from it in
being smaller in size and in the possession of a smaller genital plate.

Parasitus digitus, n. sp.
(Fig. 2)
MALE.-Body provided with thin setae and fewer much larger ones,
about .69 mm. long (exclusive of capitulum) and about .46 mm. wide.
Epistome three-pronged, shaped as shown in Fig. 2A. Chilicera (Fig. 2C)
large, toothed, the fixed arm slightly larger than the movable one. Genital
pore with prominent wide borders. Intercoxal area with two rows of
bristles consisting of four each. Dorsal plate not divided but with a
distinct transverse suture on a level with the middle of coxa IV, well
provided with narrow setae, the anterior portion in addition with about
eight very large ones. Leg II with processes 6n the femur, genu and tibia
as shown in Fig. 2B. Peritreme long and narrow extending to slightly
beyond the middle of coxa I.
TYPE MATERIAL.-Male holotype and male paratype from Rattus norve-
gicus at San Juan (Santurce), Puerto Rico, the former collected October
7, 1947 and the latter August 6, 1947.
REMARKS.-In the structure of the male femoral process this species
resembles P. fucicola Trig., but it differs in the shape of the epistome
and details of the dorsal plate.



\\ *

/ 71

.. Che ice a.

Fig. 3. Borinquoteksps sexsetosus, ni. sp., female.
A. Dorsal plate. B. Ventral plates

Fig. 4. Garasipis illotu, n. sp., female, ventral plates.
Fig. 2. Parasitus digeitu, n. sp., male. 2A. Epistome.
2B. Processes on femur, genu and tibia.
2C. Chelieera.
Fig. 3. Borinquaolelaps sexsetosus, n. sp., female.
3A. Dorsal plate. 3B. Ventral plates.
Fig. 4. Uropoda exigua, n. sp., female, ventral plates.
Fig. 5. Borinqualalave l ennatus, n. so.. female. 5A. Ventral nlata.


Borinquolaelaps sexsetosus, n. sp.
(Fig. 3)

FEMALE.-Body broadly oval about .46 mm. long and about .26 mm. wide.
Sternal plate (Fig. 3B) wider than long, sculptured, its setae long.
Metasternal plates large and round, their setae on the lateral edges.
Endopodal plates weak. Genital plate rounded posteriorly, its setae weak,
separated from the ventro-anal plate. Ventro-anal plate large, shield-
shaped with six setae in addition to those of the anal pore. Anal pore
broadly triangular. Lateral to the ventro-anal plate on each side is a
large and prominent bristle. Parapodal plate large. Stigma distant
from the lateral border of the body, the peritreme short not extending
beyond coxa II. Dorsal plate occupying most of the dorsal surface with
a heavily sclerotized anterior edge, armed with six long robust bristles
and several pairs of setae. For further details see Fig. 3A.
TYPE MATERIAL.-Female holotype from Rattus norvegicus collected
at San Juan (Santurce), Puerto Rico, September 17, 1946.
REMARKS.-This new species is similar to B. coronatus Fox from which
it differs particularly in the chaetotaxy of the dorsal plate. Both of these
species, while congeneric with each other, differ so much from the genotype,
particularly in the ventral plates, that they are very likely representatives
of another genus. Efforts have been unsuccessful to fit them in any of
the many described genera of the family and it is not deemed desirable
at this time to erect a new generic name for them, hence they are permitted,
for the present, to remain in the complex Borinquolaelaps.

Borinquolaelaps pennatus, n. sp.
(Fig. 5)

FEMALE.-Body well provided with long plumose setae, about .32 mm.
long (exclusive of capitulum) and about .22 mm. wide. Sternal plate
lightly sclerotized, its exact structure difficult to make out, the setae very
weak. Metasternal and endopodal plates very weakly sclerotized. Genital
plate broad, contiguous to the ventro-anal. Ventro-anal plate rounded
posteriorly, provided with six setae in addition to those of the anal pore.
Stigma distant from the lateral border of the body, peritreme long and
narrow. For further details of the ventral plates see Fig. .5A. Dorsal
plate (Fig. 5B) occupying the dorsal body surface, conspicuously provided
with many long plumose setae.
TYPE MATERIAL.-Female holotype and female paratype from Rattus
norvegicus collected at San Juan (Santurce), Puerto Rico, the former
November 22, 1946 and the latter May 18, 1948.
REMARKS.-This new species is similar to B. dentatus Fox differing
particularly in that the dorsal setae are much larger and more plumose
and in the shape of the ventro-anal plate.


Uropoda exigua, n. sp.
(Fig. 4)
FEMALE.-Body smooth, not well provided with setae, about .37 mm.
long and about .27 mm. wide. Tectum with a broad flap-like process
extending beyond the anterior border of the body. Movable arm of the
chelicera with a large tooth distally. Genital plate distant from the edge
of the sternum, anteriorly on a level with the middle of coxa II, posteri-
orly reaching beyond the middle of coxa IV. Setae of the intercoxal area
not discernible. Stigma small, peritremes short gracefully curved. Anal
pore small, rounded, inconspicuous. For further details of the ventral
aspect see Fig. 4. Dorsal plate glabrous. Marginal plate with weak
equidistant setae.
TYPE MATERIAL.-Female holotype from Rattus norvegicus collected
at San Juan (Santurce), Puerto Rico during 1947.
REMARKS.-The small size and the shape of the genital plate will
distinguish this species from others in its genus.

The thirty-first annual meeting of the Florida Entomological
Society was held in Orlando at the San Juan Hotel on December
1 and 2, 1948. Registration of those attending the meetings be-
gan at 9:00 A. M. and continued until 10:30 A. M., at which time
the president of the society, Dr. E. G. Kelsheimer, called the
meeting to order.
President Kelsheimer opened the Wednesday morning session
by first appointing an auditing committee composed of Dr. D. 0.
Wolfenbarger, Dr. I. J. Cantrall, and Mr. S. B. Hopkins. He then
requested the vice-president, Mr. M. C. Van Horn, to take the
chair. Mr. Van Horn introduced the first speaker of the day, Dr.
Kelsheimer, who gave as his presidential address, a paper entitled
"A New Page in Insecticide Production for the Protection of
Vegetable Crops." Upon completion of his talk, Dr. Kelsheimer
resumed the chairmanship of the meeting and presided during
the presentation of the remainder of the papers given in the
morning session. Just prior to adjournment of the morning
session, the president requested each person to rise and intro-
duce himself. The morning session was then adjourned.
The afternoon meeting commenced at 1:30 P. M. This session
consisted chiefly of a discussion of the results of the work of
the U. S. D. A. laboratory at Orlando in testing insecticides


against insects of medical importance. Studies of biting insect
problems in the arctic were also discussed. The Wednesday
afternoon session adjourned at 4:45 P. M.
This year, the society departed from the tradition of an an-
nual banquet and substituted in its place an informal gathering
in the meeting room of the San Juan Hotel. Dr. W. E. Dove gave
a most challenging talk, "Some Fields Neglected by Entomolo-
gists," to the members and guests of the society. Refreshments
were served by the local arrangements committee.
The Thursday morning session of the two day meeting was
called to order by President Kelsheimer at 9:00 A. M. and those
papers scheduled for Thursday morning were presented. This
portion of the program was devoted to a discussion of citrus
insects. It was found that the papers did not require the time
allotted and that there would be an adequate period available for
the business meeting. Dr. Kelsheimer therefore asked that the
business meeting be moved from the Thursday afternoon portion
of the program to the morning session. This suggestion met
with the approval of the society, and the business meeting was
called to order at 11:10 A. M.
As a first order of business, it was proposed that the member-
ship committee submit its recommendations so that the persons
who were elected to associate membership during the 1947 meet-
ing might be raised to full membership and thus be eligible to
hold office in the society. The chairman of the membership com-
mittee presented the following named persons for the respective
memberships listed below:
Active membership: P. S. Arey, W. J. Decker, Fred Dexheim-
er, J. J. Diem, Kelvin Dorward, P. E. Frierson, L. A. Hetrick,
D. W. Hookom, S. B. Hopkins, Jr., J. R. King, F. P. Lawrence,
J. D. Rebstock, Ed. Seabrook, C. C. Skipper, D. J. Taylor, Mrs.
Ernestine B. Thurman, H. T. Vanderford, R. K. Voorhees, R. T.
Wallace, M. J. Westfall.
Associate membership: J. C. Alden, R. F. Allen, Major F. S.
Blanton, James M. Coarsey, Jr., K. Coleman, George Cooper, C.
J. Dumas, F. E. Fisher, H. G. Ford, A. N. Fox, Irving Fox, G. H.
Gilbert, Tom Hill, A. E. Holland, Max Isbill, P. E. Kaspar, C. D.
Kime, Jr., L. C. Kuitert, Hamilton Laudani, W. S. Lee, D. B.
Lieux, W. C. McDuffie, Harry Mayfield, C. M. Meadows, F. A.
Morton, Joe Nicholson, Theodore Oser, James Sewell, W. V.
Shock, R. P. Tomasello, S. H. Walkup, Phil Westgate, J. F. White,
E. H. Wilson.


Student membership: A. L. Altman, Ralph Chisolm, Robert
E. Dixon, Frank Douthit, Frank Lee, William Neel, Daniel Sudia.
Honorary membership: Dr. Charles T. Brues and Dr. James
G. Needham.
It was moved and seconded that the candidates for the re-
pective memberships submitted by the membership committee
be accepted into the society. The motion was passed unani-
The auditing committee was then asked to present its report.
This was accepted by the society.
The report of the secretary was approved without reading
since it had been published in Volume 31, Number 1, of the
FLORIDA ENTOMOLOGIST. The president then called for old busi-
ness. The secretary announced that following the authorization
of the Society at the 1947 meeting to secure subsidization for
the publication of the FLORIDA ENTOMOLOGIST, he talked with
the librarian of the University of Florida about the matter. It
was suggested by the librarian, Mr. Stanley West, that instead
of the society receiving a subsidy, it might sell one hundred
subscriptions to the University of Florida, and the library might
then use these copies for exchange purposes. Mr. West pointed
out to the secretary that several other journals now have a simi-
lar arrangement with the University of Florida library. It was
moved and seconded that the society cooperate with the Univer-
sity of Florida in this matter and permit it to purchase the num-
ber of copies of the journal that it would require for its use in
conducting inter-institutional exchanges. There was no further
old business.
The president followed by asking for new business. Mr.
Dekle introduced the subject of payment of costs of printing
tabular material and illustrations published in the FLORIDA
ENTOMOLOGIST. He suggested that it might be possible, pro-
vided additional advertisements were sold, to publish tables and
illustrations without cost to the author. Considerable discus-
sion followed this proposal, resulting in the presentation of a
motion by Dr. Griffiths that charges to authors for illustrations
and tabular material be left to the discretion of the editor and
business manager, but that the editor and business manager
be empowered to allow the publication, without charge, of one
zinc etching, not to exceed one-half page in size, or the equiva-


lent thereof. The effective date of this motion to be December
2, 1948. The motion was seconded and passed by the society.
Dr. A. N. Tissot then read a letter received from the ento-
mologist in Germany who was the recipient of the food packages
purchased with the money collected at the 1947 annual meeting.
He expressed his sincere thanks to the members for their kind-
ness in sending the food for his family and himself.
Dr. Kelsheimer called for the report of the nominating com-
mittee; the chairman, Dr. Tissot, submitted the following can-
didates for the offices of the society during the year 1949:
President-M. C. Van Horn
Vice-President-J. A. Mulrennan
Secretary-Lewis Berner
Editor of the FLORIDA ENTOMOLOGIST-H. K. Wallace
Associate Editor-G. B. Merrill
Member of the Executive Committee-C. F. Ladeburg
(two year term)

There were no nominations from the floor. It was then moved
and seconded that nominations be closed. Mr. Bruce requested
that the secretary be instructed to cast a unanimous ballot for
the election of the above named candidates. This was passed
by the society. The society adjourned the Thursday morning
session at 11:50 A. M.
The Thursday afternoon meeting was called to order by
Dr. Kelsheimer, who turned the chairmanship over to the in-
coming president, Mr. M. C. Van Horn. Mr. Van Horn then
continued with the presentation of the program as scheduled.
The last paper was completed at 3:15 P. M. and the thirty-
first annual meeting of the society was adjourned.
A total of ninety persons signed the attendance registry.

Respectfully submitted,

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