40-J NI:VV YORK STATE MUSEUM 



// Abdomen light brown, the ventral plate broad, the 5th antennal 

 segment having the distal enlargement vi^ith a length Yi greater 



than its diameter and constricted at the basal third 



a e s t i V a n. sp., C. 389 

 /// Abdomen light brown, the ventral plate narrow, the 5th an- 

 tennal segment having the distal enlargement with a length 

 Yi greater than its diameter and not constricted at the basal 



third o b s c u r a n. sp., C. 204 



ee Fifth antennal segment having the basal portion of the stem with 

 a length 2^/2 times its diameter, the distal enlargement with a 

 length Yi, greater thJin its diameter, the lobes of the dorsal plate 



obliquely truncate ; abdomen fuscous yellowish 



v a r i a 1) i 1 i s n. sp., C. 652 



ccc Fifth antennal segment having the basal portion of the stem with 



a length Y2 greater than its diameter, the distal enlargement with 



a length Y-x greater than its diameter, the lobes of the dorsal 



plate truncate ; abdomen fuscous brown 



m o d e s t a n. sp., C. 289 



cccc Ventral plate broadly rounded apically, the 5th antennal segment 



having the basal portion of the stem with a length 2Y2 times its 



diameter, the abdomen fuscous yellowish. .. .t s u g a e Felt, C. l68a 



hh Ventral plate rather short, about Y2 the length of the style or of the 



basal clasp segment if the style is short 



c Ventral plate deeply emarginate 



d Fifth antennal segment having the basal portion of the stem with a 

 length 2Y2 times its diameter, the abdomen yellowish orange.... 

 e m a r g i n a t a Felt, C. 191, 438, 695 

 cc Ventral plate l)road, broadly and slightly emarginate 



d Fifth antennal segment having the basal portion of the stem with 

 a length twice its diameter 

 e The dorsal plate narrowly incised, the abdomen a mottled brown 

 a 1 1 e r n a t a Felt, C. 209, 205, 220 

 ee Dorsal plate triangularly incised, the abdomen a reddish car- 

 mine h u d s o n i Felt, C. 188 



dd Fifth antennal segment having the basal portion of the stem with 

 a length Y2. greater than its diameter 

 e Abdomen pale orange, the distal enlargement of the 5th antennal 



segment with a length Ya greater than its diameter 



c o r y 1 i Felt. C. 237 

 ec Abdomen bright orange, the distal enlargement of the hfth 



antennal segment with a length twice its diameter 



p e r p 1 e X a n. sp., C. 554 

 ccc Ventral plate broadly truncate 



d Dorsal plate narrowly incised, the Iclies rather broad ; abdomen 



brownish orange a u r a t a n. sp., C. 212 



dd Dorsal plate narrowly incised, the lolies narrow and narrowly 

 rounded ; alxlomen dark brown s i 1 v a n a n. sp.. C. 255* 



