DIPTERA 



419 



sixth vein prolonged to the wing margin. Length 3 mm. Ten female 

 specimens. 



Habitat. — Sitka, June 16; Yakutat, June 21 ; Orca, Alaska, June 

 27. 



Type. — Cat. no. 5228, U. S. National Museum. 



Closely related to afigustifennis.^ but in that species the third joint 

 of the antenna3 is only about twice as long as wide and twice as long 

 as the style, and the median vitta on the mesonotum is light gray, in- 

 stead of black. 



Rhamphomyia cinefacta sp. nov. 



Black, including the hairs; eyes of male contiguous, third joint of 

 antennae about three times as long as wide, four times as long as the 

 style, proboscis about twice as long as height of head ; body opaque, 

 gray pruinose, mesonotum not black vittate, its hairs and those of ab- 

 domen of female short and sparse, on abdomen of male abundant and 

 rather long, scutellum bearing from four to six bristles, hypopygium 

 rather small, ascending, claspers suboval, apex of dorsal piece bearing 

 three or four very short spinous processes, filament rather robust toward 

 the base, gradually tapering to the apex, the exposed portion slightly 

 shorter than the first joint of the hind tarsi, the latter noticeably thicker 

 than that of any of the other tarsi ; hind tibiae of male bearing several 

 rather long hairs on the outer and inner sides ; wings of male hyaline, 

 stigma and veins dark brown, in the female wholly pale brown, stigma 

 slightly darker, in both sexes venation normal, last section of fifth vein 

 almost twice as long as the preceding section, sixth vein obliterated 

 before reaching the wing margin. Length 2.5 to 4 mm. Two males 

 and one female, collected June 16. 



Habitat. — Sitka, Alaska. 



Type. — Cat. no. 5229, U. S. National Museum. 



Near setosa., but in that species the sixth vein is prolonged to the 

 wing margin, and the dorsal piece of the male hypopygium is desti- 

 tute of spinous processes at its apex. 



Rhamphomyia setosa Coquillett. 



Rhamphomyia setosa Coquillett, Proc. U. S. Nat. Museum, p. 426, 1896. 



Berg Bay, June 10; Yakutat, June 21 ; Popof Island, July 8 and 

 10; Saldovia, July 21 ; Juneau, Alaska, July 26: Nine specimens of 

 both sexes. This species was originally described fi'om the White 

 Mountains, New Hampshire. In the original description, two errors 

 occur, due to imperfect or abnormal specimens which served for the 



