DIPTERA 



433 



eral specimens which are labeled as having been collected in North 

 Carolina and Georgia. 



Syrphus geniculatus Macquart. 



Syrphus gftiictdatus Macquakt, Dipteres Exot., ii, Part 2, p. loi, 1841. — 

 WiLLiSTON, Synopsis N. Am. Syrphidae, p. 84, 1886. 



Kukak Bay, July i; Popof Island, Alaska, July 8 to 15: Four 

 specimens. Originally described from Newfoundland ; it has also been 

 reported from New Hampshire and Alaska. 



Syrphus glacialis (Johnson). 



Melanostoma g-/acta/ts JOKtiSO'S, Entom. News, p. 18, 1898. 



Berg Bay, June 10 ; Yakutat, June 21 ; Kukak Bay, July 4 ; Popof 

 Island, July 8 to 13 ; Kadiak, Alaska, July 20 : Nine specimens. The 

 type locality of this species is Alaska. 



Syrphus macularis (Zetterstedt). 



SccBva macu/aris Zetterstedt, Diptera Scand., 11, p. 730, 1843. 



Yakutat, Alaska : Eight specimens, of both sexes, collected June 

 21. A European species, not heretofore recorded as occurring on 

 this Continent. 



Didea laxa Osten Sacken. 



Didea laxa Osten Sacken, Bulletin Buffalo See. Nat. Hist,, p. 56, 1875. 



Saldovia, Alaska: A single specimen, collected July 21. The 

 specimens on which the original description was founded were col- 

 lected in Maine, New Hampshire, and on the shores of Lake Su- 

 perior. In the West, this species has been recorded as occurring from 

 Washington to Mexico. 



Sphaerophoria sulphuripes (Thomson). 



Syrphus sulphuripes Thomson, Kongliga Sven, Freg. Eug. Resa, p. 501, 



1868. 

 SphcBrophoria sulphuripes Williston, Synopsis N. Am. Svrphidae, p. 106, 



1886. 



Fox Point, Alaska : A single specimen, taken July 28. Originally 

 described from California. 



Neoascia globosa (Walker). 



Ascia globosa Walker, List Dipt. Ins. British Museum, in, p. 546, 1849. 

 Neoascia globosa Williston, Synopsis N. Am. Syrphidae, p. iii, 1886. 



Metlakahtla, June 4; Virgin Bay, June 26; Popof Island, Alaska, 

 July 8 to 18: Fourteen specimens. This species was originally de- 

 scribed from New York, and has been reported from Connecticut and 



