380 NEW YORK STATE MUSEUM 



with the ventral portion of the ovipositor more or less chitinized. 

 The characteristic acicnlate organ of Asphondylia and Schizomyia 

 is wanting. 



Certain species of this genus agree with Kieffer's published 

 diagnosis of Polystepha. Asphondylia transversa Felt 

 is the tpye. Specimens of C. m u 1 1 i f i 1 a Felt were submitted 

 to this well known European, authority who pronounced it a 

 representative of a new genus, consequently the above name is 

 proposed. 



Key to species 

 a Abdomen dark brown 



b Wings small, rather broad 



c Scutellum reddish brown; antenna! segments with 10 to 12 cir- 



cumfili ; male, habits tmknown 



(Asphondylia) transversa Felt, C. 53 



cc Sculellum dark reddish, 5th antcnnal segment with 4 coarsely 



reticulate circumfili, length 2 nun, female ; bred from slight 



blister swelling on lateral veins of red oak leaves 



a m e r i c a n a n. sp., ai792 

 ccc Scutellum fuscous yellowish : antennal segments with 9 to 10 cir- 

 cumfili ; male, bred from warty, reddish brown leaf gall on 



oak leaf (C e c i d o m y i a) . 



pilulae Walsh, C. 811, 814, 850, 1046, 1105 

 bb Wings small, broad; scutellum reddish brown; antennal segments with 



6 to 7 circumfili ; male, habits unknown 



(Asphondylia) m u 1 t i f i 1 a Felt, C. 95, 99, loo 



bbb Wings small, narrow, abdomen dark brown, 5th antennal segment 



with 8 circumfili, length 2 mm, male ; bred from circular, blister 



gall on scarlet oak leaves s e r r a t a n. sp., ai79l 



bbbb Wings rather large, somewhat broad ; scutellum purplish brown ; 3d 

 antennal segment with a length 2^^ times its diameter; female, 



habits unknown canadensis n. sp., C. 1042 



aa Abdomen reddish brown 

 b Wings small, narrow 



c Scutellum yellowish; antennae with 13 segments, each with 10 



circumfili; male, bred from conical gall on hickory leaf 



c a r y a e n. sp., C. 1114 

 bb Wings large, rather broad 



c Scutellum yellowish; antennal segments with 10 to 15 circumfili; 

 male, bred from a flat, relatively inconspicuous gall on Q u e r - 



cus rubra leaves quercifolia n. sp., C. 1043 



cc Scutellum yellowish brown ; 3d antennal segments with a length 

 twice its diameter ; female, bred from a flat, relatively incon- 

 spicuous gall on Quercus rubra leave? 



quercifolia n. sp., C. 1043 

 ccc Scutellum reddish yellow ; antennal segments with 3 to 4 cir- 

 cumfili ; male (Asphondylia) sobrina Felt, C. 1108 



