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 
gilletti n. sp., C. 1230a 
aa 12 antennal segments, females 
b Scutellum pale reddish yellow; abdomen pale fuscous yellow; anten- 
nae with stemmed disks. 11%... ..-- tons 1.co.diends i Keli G2 122 
bb Scutellum reddish brown; abdomen fuscous yellowish; antennal seg- 
ments) with curved; chitinous spines subapicallyay..sss.cc. ses cee 
Viens too lornn.sp., C.-01 
bbb 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 ne San RY ee a ane ate: fe criti auntie Sp. se a alts 
cc Chitinous collar on antennal segments heavy, not incised; 3d 
palpal segment slender 
d Wings long, narrow; 4th palpal segment twice the length of — 
the: adsareanhy.dilavedir: sens alee Silvana-mSp. Gimusec 
dd Wings medium; 4th palpal segment with a length % greater 
than@thessdeiec ea See ee: Sib harOr wh So, CG Ses 
Lbbb Scutellum and abdomen dark brown; antennal segments with stout, 
chitinous spines subapically....:..... kiass hoe n5sis nsspy Cs cool 
aad 13 antennal segments 3 
b Antennal segments with a distinct stem and with crenulate chitinous 
Whorlsis: Males eee eel en aeeear a pera ieee Vitinea Melt iwG.756 
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 Be 
é Sth tarsal segment cn posterior lees with a length fully 
1% to twice the diameter; terminal segment of ovi- 
positor somewhat produced, broadly oval.............. 
tsugae Felt, C. 166 
ee 5th tarsal segment on posterior legs with a length 2 to 
214 times the diameter; terminal segment of ovipositor 
SU NOMOMCHIANE Sh boconcesec cos boulderi n. sp. C. 886 
dd Wines bread; length 2.5 mm, abdomen dark reddish brown. . 
Waitt pe fim Vsineesp. ©.calday 
cc Antennal segments without subapical chitinous collar; scutellum 
darke=reddisht: DRO wileac eee lonietpenn 1s ni sp.. Gs 733 
aaaa t5 antennal segments; each with the stem % longer than the basal 
enlargement; males 
b Mesonotum black; abdomen dark brown...... Carpini Pelt} C107 
aaaaa 16 antennal segments; each with the stem % the length of the: sub- 
cylindric basal enlargement; males 
c Mesonotum black; abdomen dark brown......... LC et ea 
lignivora Felt, C. ar614 
