90 C. H. TYLER TOWNSEND. 



Blepliai'ipeza rufesceiis n. sp. 9 • — Eyes brown ; front about one-third 

 width of head at vertex, much wider before; frontal bristles descending ob- 

 liquely as low as base of third antennal joint, some weaker bristles still lower 

 and also on sides of front; two orbital bristles; frontal vitta velvety brown, 

 edges more or less silvery; sides of front silvery cinereous, face and cheeks sil- 

 very white; vibrissse decussate, inserted above oral margin; antennse shorter 

 than face, second joint elongate, third about twice as long as second, first two 

 joints yellowish rufous* third grayish brown, arista brown, 3-jointed, second 

 joint short; proboscis not longer than bight of head, fleshy, brown, palpi rather 

 long, bowed, thickened, silvery yellowish, black-bristly; occiput silvery, gray- 

 hairy. Thorax silvery-white pollinose, with two narrow dark vittae lost beyond 

 suture, sides posteriorly and hind margin narrowly rufous, scutellum rufous. 

 Abdomen clear shining rufous, with a heavy median black vitta, which is widest 

 on first segment, where it occupies about middle third of dorsum, irregularly 

 narrowing to a point just before tip of anal segment, widened at sutures; first 

 segment with a lateral macrochseta and a median marginal pair: second with a 

 lateral pair and two median marginal pairs, one pair on each side of vitta; third 

 with a marginal row of about fourteen, the median ones more or less irregular; 

 anal segment beset with small macrochgetse and bristles; venter clear light ru- 

 fous. Legs rufous, more or less silvery, tarsi blackish, hind tibife ciliate on out- 

 side; claws and pul villi a little elongate, pulvilli reddish fuscous. Wings grayish 

 hyaline, broadly smoky golden at base; apical cell well opened a little before 

 tip of wing, hind cross-vein sinuate, not quite parallel with internal border of 

 wing; tegnlfe whitish, with a slight tawny tinge; halteres pale rufous. Length 

 of body 9 mm. ; of wing 9 mm. 



Described from one specimen ; Maryland ? (Lugger). 



Jurinia apicifera Wlk. 



One from Guanajuato, Mex. (A. Duges) ; four from Constantine, 

 Mich., August 28th to September 6th ; two from Kansas ; one from 

 Colorado (Gillette); one from New Hampshire (C. W. Johnson); 

 one from Maine (F. L. Harvey); one from District of Columbia, 

 October 11th; thirty-one from New York, June 30th to September 

 1st (Comstock) ; and one from Ottawa, Canada (Harrington). This 

 gives a rather wide range for this species. 



Jurinia sinaragdiua Mcq. 



Four from Pennsylvania (C. W. Johnson) ; one from Constantine, 

 Mich., August 31st; five from District of Columbia, June 2iJth to 

 August 19th ; and one from Kansas, September. 



Jurinia algens Wd. 



One from Michigan ; seventeen from Brookings, So. Dakota, July 

 7th to 16th (Aldrich) ; one from Laramie, Wyo., July 20th, 8000 

 feet (Niswander) ; one from Kansas, September ; one from Maine 

 (Harvey) ; one from New Hampshire (Johnson) ; nineteen from 

 New York, June 30th to September 4th (Comstock) ; one from On- 



