120 
Genus TACHINOPSIS, new genus. 
The following is a description of the type species: Black, the frontal 
vitta, first two joints of antennie, and the palpi yellow; front of male 
two-thirds as wide as either eye, frontal bristles descending slightly 
below the arista, no orbital bristles, hairs on sides of front short and 
sparse, cheeks one-sixth as broad as the eye height, vibrissze on a line 
with front edge of oral margin, ridges bristly on the lower three- 
fourths, antenne six-sevenths as long as the face, third joint three and 
one-half times as long as the second, arista thickened on the basal 
two-fifths, the penultimate joint nearly as broad as long, thorax gray 
pollinose, marked with four black vittze, four postsutural and three 
sternopleural macrochetie; scutellum bearing four marginal pairs; 
abdomen shining, bases of last three segments opaque gray pollinose, 
first three segments bearing marginal macrochetie only; front pulvilli 
as long as the last tarsal joint, middle tibiwe each bearing two macro- 
cheete on the front side near the middle, hind tibie outwardly subcil- 
iate; wings hyaline, third vein bearing three bristles near its base, hind 
crossvein slightly beyond the middle between the small and the bend, 
last section of fifth vein almost as long as the preceding section; calyp- 
teres white; length, 7 mm. Washington. A single male specimen 
collected by Prof. O. B. Johnson. Type No. 3624, U. 8. National 
MUSOU 24-26 oot LEIS Se CAE eo eee See eee mentalis nN. Sp. 
Genus EUTHERA Loew. 
Huthera Loew, Diptera Amer. Septentrionalis Indig., Cent. VII, No. 85; 1864. 
Our single species is black, the frontal vitta, middle of face, lower 
part of head, the palpi, and femora yellow; wings brown on the costal 
edge beyond the humeral crossvein, along the last two sections of the 
fifth vein, a fascia from costa over the hind crossvein and including the 
small crossvein, finally a fascia which fills the apex of the apical cell; 
length,7 mm. Pottstown, Pa., and Tifton, Ga. (Loe. cit.) . tentatria Loew. 
Genus DEMOTICUS Macq. 
Demoticus Macquart, Annales Soc. Ent. France, p. 442; 1854. 
I. Femora Jargely oriwholly. black: ..2224.4,.2e22. 4.0 Soe See eee 3 
Femora and tibie yellow; three postsutural and three sterno- 
pleural macroch@twiwe24522 <nse ee eins Ce ee 2. 
2. Third vein bristly at least one-third of the distance from base to 
small crossvein, front of male five-sixths as wide as either eye, 
thorax, except the humeri, and the tarsi black; length, 9 to 11 
mm. Philadelphia, Pa.; Colorado; California, and Washington. 
(Canadian Entomologist, Vol. XX VII, p.127; May, 1895: Drep- 
ONOGLOSEO:) -cci52 HEELS Ed eee eee venatoris Coq. 
