26 COQUILLETT [4^2] 



Hilara quadrivittata Meigen. 



Hilara quadrivittata Meigen, Syst. Besch. Eur. Zweif. Ins., iii, p. 7, 1822. — 

 ScHiNER, Fauna Austriaca, Diptera, i, p. 115. 



Kukak Bay, July 4; Popof Island, July 8 to 10; Kadiak, Alaska, 

 July 20: Twenty-eight specimens. This European species has not 

 heretofore been reported from this Continent. The specimens agree 

 perfectly with the descriptions above indicated. 



Gloma obscura Loew. 



Gloma obscura Loew, Berliner Ent. Zeitsch., p. 84, 1864. 



Yakutat, June 21 ; Virgin Bay, Alaska, June 26 : Two specimens. 

 Originally described from the White Mountains, New Hampshire. 



Gloma scopifera sp. no v. 



Black, a humeral dot, the halteres, second and third segments of 

 abdomen, except middle of dorsum, under side of the fourth segment 

 and the legs, yellow, the greater portion of the coxae, middle of femora, 

 apices of tibise, last two joints of front and middle tarsi, and whole of 

 hind tarsi, except bases of first two joints, brown ; all hairs and bristles 

 black ; third joint of antennae slightly longer than wide, less than half 

 as long as the style; thorax somewhat opaque, thinly gray pruinose; 

 abdomen slightly polished ; front tibiae at apices bearing a dense cluster 

 of rather long bristly hairs, last two joints of front tarsi greatly dilated 

 and fringed along the sides with short bristly hairs, middle femora 

 beyond the middle of the under side bearing a cluster of about three 

 long bristles, middle tibiae swollen at middle of inner side, the swell- 

 ing densely covered with short, bristly hairs ; wings grayish hyaline, 

 veins and stigma brown. Length 6 mm. Three male specimens, col- 

 lected June 16. 



Habitat. — Sitka, Alaska. 



Type. — Cat. no. 5217, U. S. National Museum. 



Cyrtoma pilipes Loew. 



Cyrtoma pilipes Loew, Berliner Ent. Zeitsch., p. 207, 1862. 



Kukak Bay, July 4; Popof Island, Alaska, July 8 to 13 : Twenty- 

 five specimens. Originally described from Illinois. 



Microphorus atratus sp. nov. 



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

 antennae orbicular on its basal half, the remainder narrowed into a 

 styliform process, style one and one-half times as long as the third an- 

 tennal joint, proboscis less than half as long as height of head, body 

 opaque, not pruinose, the hairs rather long, on the mesonotum abun- 



