[441] DIPTERA 55 



Originally described from Newfoundland, but occurring over the 

 greater part of North America. 



Family MUSCID^. 



Graphomjria maculata (Scopoli). 



Musca fnaculata Scopoli, Entom. Carniolica, p. 326, 1763. 

 Graphomyia maculata Schiner, Fauna Austriaca, Dipt., i, p. 582, 1862. 

 Graphomyia americana Desvoidy, Essai Myod., p. 404, 1830. 



Popof Island, Alaska : A single specimen, collected July 10. A 

 European species, first reported from this country about seventy years 

 ago. It has been recorded from Greenland, and specimens are in the 

 National Museum from Virginia and Kansas. 



Mesembrina latreillei Desvoidy. 



Mesembrina latreillei Desvoidy, Essai Myod., p. 401, 1830. 



Kukak Bay, July 4; Kadiak, July 20; Saldovia, July 21, Juneau, 

 Alaska, July 25 : Four specimens. This species was originally 

 described from Nova Scotia, and its most southern recorded limit is 

 Pennsylvania. 



Myospila meditabunda (Fabricius) . 



Musca meditabunda Fabricius, Species Insect, 11, p. 444, 1781. 

 Myospila meditabunda Schiner, Fauna Austriaca, Dipt., i, p. 598, 1862. 

 Cyrtoneura 4-signata Thomson, Kongliga Sven. Fregatten Eugenics Resa, 

 p. 549, 1868. 



Metlakahtla, June 4 ; Yakutat, Alaska, June 21: Three specimens. 



A European species, first reported as occurring in this country about 



thirt}'-six years ago. 



Family ANTHOMYIID^. 

 Hyetodesia varipes sp. no v. 



Male : Black, the apex of scutellum reddish yellow, apices of front 

 femora and whole of their tibiae yellowish brown, apices of middle 

 femora, the whole of their tibiae, also the hind femora and tibiae, yel- 

 low, halteres light yellow ; hairs of eyes long and dense, frontal orbits 

 white pruinose, contiguous a short distance in front of the ocelli, or 

 narrowly separated, antennae reaching about two-thirds of distance to 

 oral margin, the third joint less than twice as long as the second, arista 

 long plumose, the longest hairs about three times as long as greatest 

 diameter of the arista ; mesonotum somewhat polished, rather thinly 

 light gray pruinose, marked with four black vittae ; four pairs of post- 

 sutural dorsocentral bristles, no acrostichals in front of the suture. 



