124 
value. Our two species have four postsutural aud three steruopleura 
macroclisetse : 
Abdomen wholly black; length, 1L to 13 mm. Franconia, N. H., and 
Washington. ( Aussereuropiiische Zweif. Insekten, Vol. II, p. 308; 
1830: Tachhia. Blepharipeza rufipalpis Macquart, Dipt. Exot., 
Vol. II, Part II, p. 212 (55); 1843. Tachina latifrom Walker, 
Insecta Saundersiaua, p. 284; 1850.) leueophrys Wied. 
Abdomen reddish yellow, a black dorsal vitta; length, 10 to 11 mm. 
Toronto, Canada; Oswego and New York, N. Y. ; Colorado, and 
California, (l)iptera Amer. Septen. Indigena, Centuria X, No. 
07; 187-J. Blepharipeza fulvipes Bigot, Ann. Soc. Entoinol. 
France, p. 92 j L888. Blepharipeza exul Townsend, Canadian 
Entomologist, Vol. XXIV, p. (U; March, 1892. Blepharipeza 
rufescens Townsend, Trans. Am. Bnt. Soc, Vol. XIX, p. 00; 
April, 1802. Uileya americana Brauer and Bergenstamm, Zweif. 
Kais. Mus. Wien, VI, p. 201; 1803: also inlltt.). . . .adust a Loew. 
Genus WINTHEMIA Desv. 
Winthemia Desvoidy, Essai but les Myodaires, }). 173; 1830. 
ChetoliQa Rondani, Dipterologise Itulic;»- Prodromns, Vol. I, p. 66; 185(3. 
This synonomy has already been published by Brauer and Bergen- 
stamm. 1 Desvoidy (loc. eit.) gives the Musca quadripustulata Fabr. as 
the type of Winthemia: and this species is included by Rondani in his 
genus Ohetoliga (loc. eit.. Vol. Ill, pp. 105 and 108): 
1. Thorax bearing four postsutural and two sternopleural macro- 
chaetae 2. 
Thorax bearing three postsutural and three sternopleural macro- 
chaetae; black, the palpi yellow, frontal vitta dark brown; front 
in male slightly broader than either eye; antennae six-sevenths 
as long as the face, third joint nearly three times as long as the 
second, arista thickened nearly to the middle, cheeks one sixth 
as broad as the eye height; thorax gray pollinose, marked with 
four black vitta; scutellum bearing four marginal pairs of ma- 
croch;et;e. of which the second and apical pairs are shorter than 
the others; abdomen wholly gray pollinose, the bristly hairs 
rather long and suberect, second segment bearing a marginal 
pair, the third a marginal row of macrochaetae, those on the 
fourth segment scarcely longer than the bristly hairs; hind 
tibhe outwardly ciliate and with a much longer bristle near the 
middle, front pul villi as long as the last tarsal joint; wings 
hyaline, fourth vein beyond the bend almost straight; calyp- 
teres white; length, 7 mm. Maryland. A single male speci- 
men, collected by the writer in June. Type No. 3628, U. S. 
National Museum obscura n. sp. 
Zweif. Kais. Mus. Wien, VI, p. 239; 1893. 
