— 271 — 



the second broadly oval, with a length one half greater than its diameter, the third nearly 

 twice the length of the second, sparsely haired. Mesonotum yellowish brown, the sub- 

 median lines sparsely haired, scutellum and postscutellum a little darker. Abdomen 

 sparsely haired, rather thickly so laterally, yellowish orange, the genitalia fuscous 

 yellowish, wings rather thickly clothed with dark grayish hairs, costa mostly dark brown, 

 subcosta uniting with the margin before the basal half, the third vein well beyond the 

 apex, the fifth at the distal fourth, its branch near the basal half, haltères fuscous 

 yellowish basally, fuscous apically, coxae and base of femora fuscous yellowish, the 

 distal portion of femora fuscous straw, the tibiae and tarsi dark brown. Claws missing. 

 Genitalia, basal clasp segment long, moderately stout, very thickly clothed with long, 

 fuscous setae, terminal clasp segment long, moderately stout, slightly curved, distinctly 

 swollen and very thickly haired basally. Dorsal plate short, broad, divided, the lobes 

 subtriangular and narrowly rounded apically. Ventral plate short, broad, broadly rounded 

 and broadly emarginate distally. Style long, broad, broadly emarginate distally. 



Female. (Plate XII fig. 5). Length 4.5 to 5 m.m. Antennae extending to the 

 fourth abdominal segment, sparsely haired, dark reddish brown, 14 segments, the fifth 

 with a stem about one fourth the length of the cylindrical basal enlargement, which 

 latter is slightly constricted near the basal third, has a length three times its diameter, 

 subbasal and subapical rather thick whorls of long, stout, setae, moderately high 

 circumfila at the basal third, near the middle and apically, the loops having a length 

 approximately one third the diameter of the enlargement, the distal segments with the 

 enlargement more distinctly constricted. Terminal segment with a knob-like apex, the 

 enlargement with a length over twice its diameter, and distinctly though slightly 

 constricted at the basal third. Palpi invisible in the mount. Mesonotum shining dark 

 brown, the submedian lines sparsely haired, the scutellum dark brown, postscutellum 

 a little lighter. Abdomen rather thickly haired laterally, yellowish orange *), the 

 ovipositor fuscous yellowish. Haltères fuscous, coxae and base of femora and tibiae dark 

 straw, the tarsi mostly dark brown. Claws long, rather slender, strongly curved apically, 

 simple, the pulvilli a little shorter than the claws. Ovipositor short, the lobes broadly 

 and roundly triangular, the length being a little greater than the diameter, and thickly 

 setose. 



Type Cecid. A 3107 N. Y. State Museum. 



*). Living or freshly killed specimina have the abdomen coloured distinctly carrot 

 red (S. L.). 



