4l8 NEW YORK STATE MUSEUM 



Key to species 



a 12 antennal segments, the 5th with a stem ^4 the length of the basal 

 enlargement; female 

 h Abdomen dark brown, length 1.5 mm, the 4th palpal segment 1^4 

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



with a length twice its widtli quercina Felt, C. 62 



aa 13 antennal segments, the 5th with a stem '4 the length of the basal 



enlargement; females 



b Abdomen fuscous j^ellowish, length 2 mm, the basal enlargement of 



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



terminal lobes of the ovipositor narrowly oval, with a length 



3^ times the width t u ck e r i n. sp., C. 1255 



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

 the 5th 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 or Yi 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 1.5 mm Carolina, C. 31625 



bh 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 354 times its diameter, 

 4th palpal segment J4 longer than the 3d. .b o r e a I i s Felt, C. 155 

 aaaa t6 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 tw-ice its diameter.... 



canadensis n. sp., C. 1334 



hh 5th antennal segment with a stem J 4 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 i . 5, the basal enlargement of 



the 5th antennal segment with a length i)4 its diameter; 



terminal clasp segment greatly swollen basally 



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

 bbh 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 2^4 times its 



diameter barberi n: sp., C. 948 



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

 enlargement 



