314 NEW YORK STATE MUSEUM 



cc Subcosta uniting with the margin at the basal half 



d Mesonotum dark brown; scutellum dark reddish brown 



brevicornis Felt, C. 725, 756, 882, 1229 

 ccc Subcosta uniting with the margin at the basal 3d ; abdomen fus- 

 cous yellowish; antennal segments stout, with stemmed disks 



g i 1 1 e 1 1 i n. sp., C. 1239a 

 aa 12 antennal segments, females 



h Scutellum pale reddish yellow ; abdomen pale fuscous yellow ; anten- 

 nae with stemmed disks toxicodendri Felt, C 122 



bh Scutellum reddish brown; abdomen fuscous yellowish; antennal seg- 

 ments with curved, chitinous spines subapically 



versicolor n. sp., C. 617 



hhh Scutellum dark brown ; abdomen dark fuscous yellowish ; antennal 



segments with a subapical chitinous collar 



c Chitinous collar on antennal segments apparently incised ; 3d 



palpal segment narrowly oval, with a length about twice its 



diameter defectiva n. sp., C. 715 



cc Chitinous collar on antennal segments heav}'-, not incised; 3d 

 palpal segment slender 

 d Wings long, narrow ; 4th palpal segment twice the length of 



the 3d, greatly dilated s i 1 v a n a n. sp., C. 883 



dd Wings medium ; 4th palpal segment with a length J/^ greater 



than the 3d simulator n. sp., C. 885 



hbbh Scutellum and abdomen dark brown ; antennal segments with stout, 



chitinous spines subapically kasloensis n. sp., C. 881 



aaa 13 antennal segments 



b Antennal segments with a distinct stem and with crenulate chitinous 



whorls ; male v i t i n e a Felt, C. 759 



bb Antennal segments subsessile, with no distinct stem; crenulate whorls 

 absent; females 



c Antennal segments with a flaring chitinous collar subapically 

 d Wings long, slender 



e sth tarsal segment on posterior legs with a length fully 

 i^ to twice the diameter; terminal segment of ovi- 

 positor somewhat produced, broadly oval 



t s u g a e Felt, C. 166 



ee 5th tarsal segment on posterior legs with a length 2 to 



25^ times the diameter ; terminal segment of ovipositor 



suborbicular boulderi n. sp., C. 886 



dd Wings bread; length 2.5 mm, abdomen dark reddish brown. . 



latipennis n. sp., C. ai457 

 cc Antennal segments without subapical chitinous collar; scutellum 



dark reddish brown ..." 1 o n g i p e n n i s n. sp., C. 72>Z 



aaaa 15 antennal segments; each with the stem ^ longer than the basal 

 enlargement ; males 



b Mesonotum black ; abdomen dark brown carpini Felt, C. 107 



aaaaa 16 antennal segments; each with the stem Y^ the length of the sub- 

 cylindric basal enlargement; males 



c Mesonotum black ; abdomen dark brown 



li g n i V o r a Felt, C. ai6i4 



