182 NEW YORK STATE MUSEUM 















ff Abdomen light brown, the ventral plate broad, ¢ 
fifth antennal segment having the distal enlargem 
with a length one-half greater than its diameter 
constricted atithe basallthind] 5). see eae 
aestiva Felt, Com 
fff Abdomen light brown, the ventral plate narrow, tl 
fifth antennal segment having the distal enlargemet 
with a length one-half greater than its diameter 
not constricted! at the basal thirdas. eee 
Obscura Belt Cra 
ee Fifth antennal segment having the basal portion of tt 
-stem with a length two and one-half times its diamet : 
the distal enlargement with a length three-fourths greate 
than its diameter, the lobes of the dorsal plate obliquel 
truncate; abdomen fuscous yellowish............... q 
variabilis Felt, C. @ 
eee Fifth antennal segment having the basal portion of the ster 
with a length one-half greater than its diameter, the dista 
enlargement with a length one-fourth greater than i 
diameter; the lobes of the dorsal plate truncate; abdome 
fuscous brown....-....5.7-... modest Felt, C. 28 
cece Ventral plate broadly rounded apically 
d Stems of the fifth antennal segment unequal, the basal portio: 
with a length two and one-half times its diameter, the later 
angles of the dorsal plate produced. .t su gae Felt, C. 168 
dd Stems of the fifth antennal segment nearly equal, each with ¢ 
length about one-half greater than its diameter, the dorsa 
plate without produced lateral angles. Reared from ree 
SPiG cruOnmCOLtOnes eae ee see macgregori Felt, C. a260 
bb Ventral plate rather short, about one-half the length of the style or of th 
basal clasp segment, if the style is short 
c Ventral plate broad, broadly and slightly emarginate | 
d Fifth antennal segment having the basal portion of the oe 
with a length three times its diameter. Reared from i 
yellowish fungus on rotten bark. . . I OAs 
fungiperda Felt, C. 1315 
dd Fifth antennal segment having the basal portion of the stem 
with a length twice its diameter 
e Dorsal plate narrowly incised, the abdomen a mottled bro 
alternata Felt, C. 3a 
ee Dorsal plate triangularly incised, the abdomen a reddis 
Cammunes 6 sein cee oe irunclietonte Felt, C. 18 
ddd Fifth antennal segment having the basal portion of the ste 
with a length one-half greater than its diameter 
e Abdomen pale orange, the distal enlargement of the fift 
antennal segment with a length one-fourth greater tha 
lsidiameter ya" a6) sei aon oe coryli Felt, C. 23 
ee Abdomen bright orange, the distal enlargement of the fift 
antennal segment with a length twice its diameter....... 
perplexa Felt, C. 55 
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