8 COQUILLETT [394J 



A European species which is also reported as occurring in Greenland. 

 It ranges over the northern portion of the United States, extending as 

 far southward as New Jersey, Kansas, and southern California. 



Family BIBIONnXffi. 

 Bibio variabilis Loew. 

 Bibio iiariabilis LOEW, Berliner Entom. Zeitsch., p. 53, 1864. 



Lowe Inlet, British Columbia, June 3 ; Metlakahtla, June 4 ; Berg 

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

 Alaska, June 21 : Twenty-two males and eight females. Loew's 

 original specimens came from Sitka and from New Hampshire. The 

 species also occurs in Oregon. 



Bibio obscurus Loew. 



Bibio obscurus LOEW, Berliner Entom. Zeitsch., p. 52, 1864. 



Yakutat, June 21 ; Saldovia, Alaska, July 21 : Four males and one 

 female. This species was originally described from the vicinity of 

 Hudson Bay, British America. 



Dilophus serraticollis Walker. 



Dilophus serraticollis WALKER. List Dipt. Ins. Brit. Museum, I, p. 117, 1848. 

 Metlakahtla, June 4; Berg Bay, June 10; Muir Inlet, June 12; 

 Sitka, June 16; Yakutat, June 21; Virgin Bay, June 26; Kukak 

 Bay, July 4; Popof Island, July 12; Saldovia, July 21; Juneau, 

 Alaska, July 26 : Twenty-two males and thirty-four females. Orig- 

 inally described from Hudson Bay, but also occurs in Canada and 

 Colorado. 



Scatopse notata Linne. 



Scatopse notata LINNE, Fauna Suecica, p. 1773, 1761. 



Popof Island, July 8 and 10; Juneau, Alaska, July 28: Eight 

 specimens. A European species, which has also been reported as oc- 

 curing in Greenland. It ranges as far southward at least as Alabama. 



Family CULICID^. 

 Culex impiger Walker. 

 Culex impiger WALKER, List Dipt. Ins. Brit. Museum, I, p. 6, 1848. 



Sitka, June 16; Yakutat, June 21 ; Virgin Bay, June 26; Popof 

 Island, Alaska, July 8 to 16: Fifty female specimens. This species 

 was originally described for the vicinity of Hudson Bay, British 

 America, and ranges southward to Jamaica, West Indies. 



