208 NEW YORK STATE MUSEUM 



e Mesonotum black; male antennae with 13 to 14 segments; 



female with 18; reared from Erigeron leaf 



m o d e s t a Felt, C. ai427, ai666 

 ee Mesonotum dark brown 



/ Female antennae with 13 segments, abdominal seg- 

 ments sparsely margined with white; reared from 



an oval, brown, blister gall on aster 



dumosae Felt, C. ai87oa 

 // Female antennae with 16 segments 



g Posterior wing margin even ; reared from yellowish 



blister gall on aster 



flavomaculata Felt, C. ai36ia 

 gg Posterior wing margin distinctly emarginate at 

 apex of fifth vein . . a b n o r m i s Felt, C. 676 

 dd Palpi biarticulate 



e Mesonotum dark brown or black 



/ Female with 16 antennal segments, the fifth with a 

 length three-fourths that of its diameter ; mesonotum 

 black; reared from dark white-ringed blister gall on 



aster 



asterifoliae Beutm., C. ai550, ai662 



ff Female with 19-20 antennal segments, male, 18; the 



fifth with a length one and one-fourth that of its 



diameter; mesonotum dark brown or black; reared 



from fusiform stem gall on grass 



a g r o s t i s O. S., C. 770, 1206 

 fff Female with 18 antennal segments, male, 16; the fifth 

 with a length three-fourths that of its diameter; 

 mesonotum dark brown; reared from brown, yellow- 

 ringed blister gall on aster 



waldorf i Felt, C. ai824, ai829 



ffff Female with 21 antennal segments, the fifth with a 



length three-fourths that of its diameter ; mesonotum 



dark brown; reared from large, shiny, yellowish 



blister gall on aster n i t i d a Felt, C. ai820 



eee Mesonotum reddish brown; female antennae with 18 seg- 

 ments; reared from a gray, yellow margined blister gall 



on Solidago flavoanulata Felt, C. ai568k 



cccc Abdomen nearly unicolorous dorsally 



d Third vein uniting with the anterior margin near the distal 



third 



e Scutellum yellowish brown, anterior tibiae yellowish; 



female antennae with 18 segments; palpi uniarticulate ; 



reared from Solidago. ...convoluta Felt, C. ai307 



ee Scutellum reddish brown ; tibiae dark brown ; male antennae 



with 14 to 15 segments; palpi biarticulate; reared from 



a yellowish, brown margined blister gall on Solidago. . . . 



rubra Felt, C. 650, 1067, ai586 (650b), ai768 (650DX) 



dd Third vein uniting with the anterior margin at or near the basal 



half 



