124 NEW YORK STATE MUSEUM 



bbb 13 antennal segments 



c Females ; antennal segments sessile 



d Antennal segments cylindric or nearly so 



e Abdomen dark brown; scutellum black; fifth an- 

 tennal segment with a length twice its diameter 

 s c u t a t a Felt, C. 507 

 ee Abdomen dark brown; scutellum reddish brown; 

 fifth antennal segment with a length one- 

 quarter greater than its diameter, the terminal 

 segment long, tapering, the fourth palpal seg- 

 ment one-half longer than the third 



a c e r i f o 1 i a Felt, C. 66 

 cce Abdomen light brown ; scutellum dark brown ; 

 fifth antennal segment with a length one-half 

 greater than its diameter ; terminal segment pro- 

 duced, the palpi stout, the fourth segment 

 shorter than the third; the legs are shorter and 



stouter than in D. scutata 



a 1 b o h i r t a Felt, C. 44 

 eeee Abdomen reddish brown; scutellum brown; fifth 

 antennal segment with a length twice its diam- 

 eter, the palpi slender, the fourth segment one- 

 quarter longer than the third 



s i m i 1 i s Felt, C. 596 

 dd Antennal segments more or less oval 



c Abdomen dark brown ; scutellum reddish brown ; 

 fifth antennal segment with a length one-half 

 greater than its diameter, terminal one with 

 a length four times its diameter, the fourth 

 palpal segment twice the length of the short 



third antennata Felt, C. 213 



ee Abdomen pale salmon; scutellum fuscous yel- 

 lowish ; fifth antennal segment with a length 

 twice its diameter, the third and fourth palpal 

 segments equal. Reared from spruce cones.... 

 canadensis Felt, C. ai428 

 bbbb 14 antennal segments 



c Antennal segments sessile females 



d Abdomen dark brown; fifth antennal segment with a 

 length one-quarter greater than its diameter 

 e Scutellum yellowish brown ; fifth tarsal segment 

 stout, with a length twice its diameter; lobes of 

 the ovipositor stout, with a length about two 

 and one-half times their width, tapering distally 

 and narrowly rounded. Reared from leaves of 



honey locust, Gleditschia 



gleditchiae O. S., C. 958 



ee Scutellum dark brown; fifth tarsal segment with 



a length three times its diameter ; lobes of the 



