172 NEW YORK STATE MUSEUM 



d Abdominal segments 1 to 4 white; male antennae with ?20 to 



22 segments; female, 24; reared from Eragrostis 



agrostis Felt, C. 1063 

 dd Third abdominal segment margined with silvery; female 



antennal segments, 25 cinerea Felt, C. 341 



ddd Second to fourth abdominal segments with submedian lunate 

 spots 

 e Tarsi mostly dark brown 



/ Female antennal segments, 22; terminal lobes of 



ovipositor very slender (x 6) 



t e n u i t a s Felt, C. 1232 



ff Female antennal segments, 24; male, ?20-22; terminal 



lobe of ovipositor rather stout (x 4) ; reared from 



Eragrostis agrostis Felt, C. 1063 



ee Tarsi mostly yellowish; terminal lobes short, stout, thickly 



haired hirsuta Felt, C. 908 



cc Third vein uniting with costa at the basal half 



d Third and fourth basal abdominal segments yellowish or whitish 

 e Distal abdominal segment pale orange; antennal segments, 



male, 14 b a s a 1 i s Felt, C. 739 



ee Distal abdominal segments white; margined posteriorly; 

 antennal segments, male, 20; female, 23-25; reared 



from conical petiole grape gall 



vitinea Felt, C. ai4i5, 1065, 11 18, c68o 

 dd Second to fourth abdominal segments with submedian whitish 

 spots 

 e Ventral plate rather broad, narrowly rounded distally; 



antennal segments, male, 18 



sexmaculata Felt, C. 265, 589 

 ee Ventral plate broad, narrowly incised apically; antenna] 



segments, male, 16 tripunctata Felt, C. 427 



ddd Second to third abdominal segments margined posteriorly with 

 silvery white 

 e Legs mostly pale yellowish 



/ Male antennal segments 18 



1 i r i o d e n d r i Felt, C. 291 

 ee Legs mostly brown 



~f Antennal segments, female, 23; scutellum reddish 

 yellow; reared* from irregular stem gall on Solanum 



s o 1 a n i Felt, C. 903 

 // Antennal segments, female, 26; scutellum dark brown; 



presumably forming a stem gall on Clematis 



clematidis Felt, ai596a 



fff Antennal segments, male, 19; female, 23; scutellum 



dark brown; reared from irregular subcortical gall 



on Sambucus sambuci Felt, C. ai404 



//// Antennal segments, male, 20; female, 23-25; scutellum 



reddish brown; reared from conical petiole grape gall 



vitinea Felt, C. ai4i5, 1065, 1118 



