432 THE NORTH AMERICAN EMPIDJi—COQUILLETT. vol. xviii. 



men tapering to the tip, blaclv, opa(jue, on the first five segments densely 

 silvery white pollinose, that on the remaining- segments grayish brown, 

 its pile sparse, whitish. Legs black, simple; front metatarsi mnch 

 thicker than the middle ones, as thick and nearly as long as the hind 

 ones. Knob of halteres whitish. Wings hyaline on the costo basal 

 half, the remaining portion grayish brown, stigma and veins dark brown ; 

 discal cell unusually long, almost reaching the wing margin, second an<l 

 third posterior cells united; posterior cross vein sinuous, its middle 

 portion nearly i)arallel with the fourth vein, near its lower end bent at 

 nearly a right angle. 



Tfipe. — No. 31*28, U.S.N.M. ; length, 4 mm. A single female captured 

 by the writer in Fjsbruary. 



Locality. — Southern California. 



RHAMPHOMYIA STYLATA, new species. 



Female. — Head black, grayish brown pollinose; antenna' black, third 

 joint sublanceolate; style unusually large, over one-half as long as the 

 third joint; proboscis slightly longer than height of head, palpi black. 

 Thorax and scutellum black, subshining, lightly brownish gray polli- 

 nose, thorax marked with three blackish vittie, its pile rather long, 

 black; pleura black, opaque brownish gray i)ollinose, its pile black; 

 scutellum bearing four bristles. Abdomen compressed, tapering to the 

 apex, black, dark gray pollinose, the narrow hind margin of eacli seg- 

 ment ex(*ei)t the first, shining; entire eighth segment shining, sparse 

 pile of abdomen black. Legs very rolmst, black, under sides of the 

 middle and hind femora, and inner sides of the hind tibia- ciliate with 

 nearly erect scales; hind femora nearly twice as thick as their tibi<e; 

 fiont metatarsi slightly thicker than the middle ones, hind metatarsi 

 considerably thicker and longer than the front ones. Knob of halteres 

 pale yellow. Wings brownish gray, stigma brown, veins dark brown, 

 fourth vein entire. 



Trjpe.—No. 3225), U.S.N.M. ; length, 5.4 mm. A single female taken by 

 the writer in March. 



Locality. — Southern California. 



RHAMPHOMYIA PILIGERONIS, new species. 



Male. — Head black, gray pollinose, eyes contiguous, upper facets 

 much larger than the lower; antenna' l)lack, third joint rather narrow, 

 style one-fifth as long as the third joint; proboscis as long as height 

 of head, palpi black. Thorax black, opaque, bluish gray pollinose, 

 marked with three dark brown vitta', its sparse pile, like the bristles, 

 pale yellowish ; ])leura black, bluish gray pollinose, its pile Avhite; scutel- 

 lum black, gray ])oninose, bearing four light yellow bristles. Abdomen 

 black, opaque, grayish black pollinose, its pile long and quite abun- 

 dant, light yellow ; hypopygium very long, slender, projecting obliquely 



