[437] DIPTERA 51 



third joint brownish black, first joint cylindrical, slightly longer than 

 the second, the third transversely oval, nearly twice as wide as long, 

 arista black, proboscis dark brown, rather short and robust ; thorax 

 and scutellum polished, bronze black, the hairs long and abundant, 

 whitish, a transverse band of black ones behind middle of mesonotum; 

 abdomen polished, the first two segments light yellow, covered with 

 long, abundant whitish hairs, remainder of abdomen black, its hairs 

 golden yellow ; legs black, tibiae yellowish, with a brown band before 

 the middle and another near the tip, first three tarsal joints brownish 

 yellow; wings hyaline, stigma grayish brown. Length 12 mm. A 

 male specimen, collected June 16. 



Habitat. Sitka, Alaska. 



Type. Cat. no. 5241, U. S. National Museum. 



Closely related to coquilletti, but in that species the first two seg- 

 ments of the abdomen are black, and covered with black hairs, etc. 



Xylota barbata Loew. 



Xylota barbata LOEW, Berliner Ent. Zeitsch., p. 70, 1864. WILLISTON, 

 Synopsis N. Am. Syrphidae, p. 233, 1886. 



Juneau, Alaska : A single specimen, collected July 25. Originally 

 described from Alaska, it has also been reported from Washington, 

 Oregon, and California. 



Family PHORID^. 



Trineura aterrima (Fabricius). 



Musca aterrima FABRICIUS, Entom. System., rv, p. 334, 1794. 

 Trineura aterrima SCHINER, Fauna Austriaca, Dipt., n, p. 347, 1864. 



Berg Bay, June 10; Muir Inlet, June 12; Sitka, June 16; Yakutat, 

 June 2 1 ; Popof Island, July 8 to 12; Kadiak, July 20 ; Saldovia, 

 Alaska, July 21 : Twenty-seven specimens. A European species, 

 first reported as occurring in this country about forty years ago. The 

 U. S. National Museum contains specimens from the White Moun- 

 tains, New Hampshire, and Summit County, Colorado. 



Phora rufipes (Meigen). 



Trineura rufipes MEIGEN, Klass. Besch. Eur. Zweif. Insekten, i, p. 313, 1804. 

 Phora rufipes SCHINER, Fauna Austriaca, Dipt, n, p. 340, 1864. 



Muir Inlet, June 12; Sitka, Alaska, June 16: Two specimens. 

 Also a European species, first recorded from this country at the same 

 time as the preceding species. 

 Phora fungicola Coquillett. 

 Phora fungicola COQUILLETT, Canadian Ent., p. 106, 1895. 



