110 NEW YORK STATE MUSEUM 



/// Scutellum yellowish; female with 1-6 antennal segments, 

 fifth with a length three-fourths that of its diameter; 



reared from Danthonia 



danthoniae Felt, C. ai925 



ffff Scutellum fuscous, female with ?i6 antennal segments, 



fifth with a length three-fourths that of its diameter; 



reared from Oxybaphus 



a 1 1 i o n i a e Felt, C. a2026 



fffff Scutellum reddish brown, female with 19 and male with 



16 antennal segments; reared from Pentstemon. . . . 



tibialis Felt, C. a2505 



eeee Mesonotum fuscous yellowish 



/ Scutellum yellowish; antennal segments, male, 16, fifth 

 with a length three-fourths that of its diameter; 



reared from Danthonia 



danthoniae Felt, C. ai925 

 dd Third vein uniting with the anterior margin at the basal half 



e Legs and mesonotum dark brown; dorsal plate narrowly 

 incised; male with 16 antennal segments; reared from 



Senecio arizonensis Felt, C. 1062, 904 



ee Legs mostly yellowish; mesonotum dark red; dorsal plate 



triangularly incised ; male with 1 7 antennal segments 



f 1 a v i p e s Felt, C. 612 



eee Legs light yellowish or yellowish brown ; mesonotum reddish 



brown, antennal segments, female, 33 ; reared from Quercus 



blossoms querciflorae Felt, C. 900 



eeee Legs white-banded, the fourth and fifth tarsal segments of 

 the posterior legs white; mesonotum reddish brown; 

 antennal segments, female, 16 or 17. Reared from heads 



and leaf sheaths of Muhlenbergia 



color a ti n. sp., a27i6 



ccccc Second and following abdominal segments margined posteriorly with 



silvery white 1 



d Third vein uniting with costa at the basal third; femora and tibiae 



unicolorous; antennal segments, male and female, 21-22 ; reared 



from fusiform stem gall on tick trefoil desmodii Felt 



C. 88, ai09i L ai376, ai29i, an84 

 dd Third vein uniting with costa at the basal half 

 e Tarsi-distinctly annulate with whitish 



/ Scutellum fuscous yellowish; antennal segments, female 



23 ; reared from Diervilla stems . . 



caulicola Felt, C. ai469a 

 ee Tarsi narrowly or indistinctly annulate with yellowish 

 / Scutellum reddish brown 



g Antennal segments, male, 19, female, 23; second- 

 fourth abdominal segments white margined, 

 fourth palpal segment of female twice the length 

 of the third; reared from warty leaf gall on 



blackberry farinosa Beutm. 



C. ai343, ai33i, 1119 



L. ephedrae Ckll. and L. t e r t i a Ckll. probably belong in this group. 



