4l8 NEW YORK STATE MUSEUM 



Key to species 



a 12 antennal segments, the 5th with a stem ^ the length of the basal 

 enlargement; female 

 h Abdomen dark brown, length 1.5 mm, the 4th palpal segment i^ 

 longer than the 3d, the terminal lobe of the ovipositor oval and 



with a length twice its width quercina Felt, C- 62 



aa 13 antennal segments, the 5th with a stem ^ the length of the basal 



enlargement; females 



h Abdomen fuscous yellowish, length 2 mm, the basal enlargement of 



the 5th antennal segment with a length 31^ times its diameter; 



terminal lobes of the ovipositor narrowly oval, with a length 



3H times the width tuckeri n. sp., C. 1255 



hh Abdomen reddish yellow, length 2.5 mm, the basal enlargement of 

 the 5ih antennal segment with a length 4 times its diameter, the 

 terminal lobe of the ovipositor tapering, with a length fully 4 



times its width caudata n. sp., C. 531 



aaa 14 antennal segments 



b 5th antennal segment with a stem Ya ov Y^ the length of the basal 

 enlargement; females 

 c Abdomen brown, the dorsal sclerites heavily chitinized anteriorly 



and posteriorly, length 1.5 mm karnerensis Felt, C. 30 



cc Abdomen dark reddish brown, the dorsal sclerites evenly 



chitinized, length i . 5 mm Carolina, C. ai625 



hh 5th antennal segment with a stem Y2 the length of the basal en- 

 largement 

 c Abdomen fuscous yellowish, length 2 mm, the basal enlargement 

 of the 5th antennal segment with a length 33^ times its diameter, 

 4th palpal segment Yz longer than the 3d . .b o r e a 1 i s Felt, C. 155 

 aaaa 16 antennal segments ; males 



b 5th antennal segment with a stem as long as the basal enlargement 

 c Abdomen fuscous yellowish, length 2 mm, the basal enlargement 



of the 5th antennal segment with a length twice its diameter 



canadensis n. sp., C. 1334 



hh 5th antennal segment with a stem Y2 longer than the basal enlargement 



c Abdomen dark brown, length 1.5 mm, the basal enlargement 



of the 5th antennal segment with a length twice its diameter; 



■ terminal clasp segment greatly enlarged apically 



p i n i Felt, C. 221 



cc Abdomen orange yellow, length 1.5, the basal enlargement of 



the 5th antennal segment with a length i^ its diameter; 



terminal clasp segment greatly swollen basally 



d i 1 a t a t a n. sp., C aii49 

 hhh 5th antennal segment with a stem twice the length of the basal 

 enlargement 

 c Abdomen light yellowish brown, length 2 mm, the basal enlarge- 

 ment of the 5th antennal segment with a length 2Y2 times its 



diameter barberi n. sp., C 948 



hbhh 5th antennal segment with a stem 2Y2 times the length of the basal 

 enlargement 



