‘ 
REPORT OF THE STATE ENTOMOLOGIST 1918 
No) 
cn 
Key to Species 
@ Antennae of the male distinctly binodose 
b Nodes separated by distinct stems, the circumfila moderately long 
¢ Basal stem of fifth antennal segment long, with a length considerably 
more than its diameter ; 
d Male; length 3 mm, abdomen deep reddish orange; dorsal plate 
broad, narrowly emarginate, the lobes rounded: ventral 
plate broad, roundly emarginate, the lobes broadly 
rounded; terminal clasp segment long, hardly tapering. 
Female; length 4 mm, abdomen dark reddish orange; 
fifth antennal segment with a length three and one-half 
times its diameter; ovipositor with the lobes protuberant: 
wings long; larval breastbone unidentate. Reared from 
a yellowish green or brown, subglobular, thick-walled, 
hickory leaf gall 4 to.'5’ mmf in diameters.) 7) 2). 2) Se 
antennata Felt, C. arg44 
dd Male; length 2.25 mm, abdomen deep reddish orange, the ventral! 
plate broadly subtruncate, the terminal clasp segment long, 
tapering. Female; length 3 mm, the fifth antennal segment with 
a length three times its diameter, the ovipositor with the lobes 
protuberant, the wings long, Larval breastbone bidentate, 
the teeth distant. Reared from a globose, thin-walled, yel- 
lowish green or brown hickory leaf gall about 2 mm in diameter 
caryae O.S., C. 1104, a1321, alg06 
«c Basal stem of fifth antennal segment short, with a length only about 
one-half its diameter 
d Male; length 2.5 mm. Abdomen fuscous yellowish, the ventral 
plate broad, broadly and triangularly emarginate. Female; 
length 3.5 mm; abdomen dark red, the fifth antennal segment 
with a length three and one-half times its diameter; ovipositor 
with the lobes indistinct, the wings relatively long; larval 
breastbone unidentate. Reared from a rust-red, hairy, thin- 
walled, hickory leaf gall 3 to 4 mm in diameter........... axe 
holotricha ©: S., C. argo 
dd Male; length 2 mm; abdomen fuscous yellowish, the ventral plate 
broadly and roundly emarginate. Female; length 3 mm; 
abdomen a brownish orange, the fifth antennal segment with 
a length three and one-half times its diameter; larval breast- 
bone unidentate. Reared from a small, depressed, globular, 
yellowish green or brownish, thin-walled hickory leaf gall, 
some 2 mm in diameter...... consobrina Felt, C. a1948 
5b Nodes of the basal antennal segments separated only by a deep constric- 
tion, the circumfila short and stout 
¢ Male; length 3 mm; abdomen fuscous orange, the dorsal plate broadly 
and triangularly emarginate, the ventral plate broadly truncate; 
terminal clasp segment short, hardly tapering distally. Presum- 
ably reared from a green, thin-walled, globose, hickory leaf gall... 
arcuaria Felt, C. rrogx 
