December, '11] FELT: NEW GALL MIDGES 547 



Reared by L. H. Weld of Illinois from a green, fleshy, stem gall 

 on white snake root, Eupatorium urticcefolium collected at Medina, 

 N. Y. Allied to A. helianthiflorcc Felt. Type C. 1288. 



Asphondylia thalictri n. sp. iV/a?c.— Length 3 to 3.5 mm. Antenna; dark brown; 

 fourteen segments, the tliird with a length about five times its diameter, the terminal 

 segment reduced, with a length about two and one half times its diameter and tapering 

 to a conical apex. Palpi; first segment subquadrate, the second with a length about 

 four times its diameter, rather stout, the third one fourth longer than the second, 

 more slender. Mesonotum a dark or slaty brown. Scutellum yellowi.sh brown, 

 postscutellum reddish brown. Abdomen dark brown, rather thickly clothed with 

 pale yellowish hairs. Genitalia fuscous. Wings hyaline, costa light straw. Ilalteres 

 yellowish basally, fuscous or reddish brown apically. Coxa; and femora basally 

 pale straw, the distal portion of femora and tibiae a fuscous straw, the tarsi a little 

 darker. Claws rather stout, strongly curved, simple, the pulvilli as long as the claws. 

 Genitalia; basal clasp segment stout, terminal clasp segment short, greatly swollen, 

 bidentate; dorsal plate short, divided, the lobes broadly orbicular and coarsely 

 setose; ventral plate narrowly divided, the lobes narrowly triangular and thickly 

 setose; style short, stout. 



Reared from distorted seed capsules of Thalictrum collected by 

 Miss Cora H. Clarke, Magnolia, Mass. Allied to A. hydrangeoe Felt. 

 Type C. a2211. 



Bruggmanniella mexicana n. sp. Male.— Length 2 mm. First antennal segment 

 slightly obconic, with a length twice its diameter, the second subcylindric, with a 

 length a little less than its diameter, other segments missing. Palpi; first segment 

 irregularly triangular, the second rectangular, with a length over three times its 

 width, the third a little longer and more slender than the second. Mesonotum 

 reddish brown, the submedian lines slaty, sparsely haired. Scutellum yellowish, 

 brownish subapically, sparsely haired; postscutellum reddish brown. Abdomen 

 rather thickly haired, dark brown. Wings rather tliickly haired, hyaline, except 

 for the rather fuscous subcostal cell; costa yellowish brown, subcosta uniting there- 

 with at the basal third, the third vein at the apex, the fifth at the distal fourth, its 

 branch near the basal half. Halteres yellowish transparent, slightly fuscous sub- 

 apically. Coxae fuscous yellowish, the anterior femora and tibia; mostly dark browTi, 

 the tarsi yellowish brown; the middle and posterior femora yellowish brown, with 

 the distal fourth fuscous; the posterior tibia; dark brown, the posterior tarsi with 

 the first segment white and the second to fifth yellowish; claws rather long, slender, 

 slightly curved, simple, the pulvilli rudimentary. Genitalia; basal clasp segment 

 greatly swollen, stout as in Asphondylia; terminal clasp segment short, stout as in 

 Asphondylia but with the heavily chitinized apex pectinate; dorsal plate short, 

 emarginate, the lobes broadly rounded, other organs indistinct. 



Reared from an irregular stem gall on wait-a-bit, probably Pisonia 

 aculeata collected by Dr. E. A. Schwarz at Tampico, Mexico. TjT3e 

 C. a2119. 



Contarinia apiraeina n. sp. i¥afe.— Length 1.25 nun. Antenna> yellowish brown; 

 fourteen segments, the fifth having the basal portion of the stem with a length one 

 fourth greater than its diameter, the distal part with a length two and one fourth 



