05 
10. Third vein bearing three bristles near its base, apical cell narrowly 
open or closed and short petiolate; body with a brassy tinge; 
length, 5 toGinm. Colorado and Austria. A female specimen 
from Austria, received from Brauer and Bergenstamm and by 
them named Aporomyia diibia «Bond. (Kongl. Svenska Vet- 
ensk. Akad. Hand., Vol. XXXI; 1810: Tachina.) dubia Fall. 
Third vein bristly almost to the small crossvein, body with a bluish 
tinge; black, the palpi yellow; frontal bristles descending 
slightly below the arista,, cheeks one-fourth as broad as the 
eye height, vibrissas on a level with front edge of oral margin, 
two or three bristles above each, antennae almost as long as the 
face, arista thickened on the basal half, thorax gray pollinose, 
marked with four black vittae, scutellum bearing three long 
marginal pairs and a short apical pair of macrocliaetae, abdomen 
on last three segments thinly bluish-gray pollinose, first seg- 
ment bearing marginal, the other three with discal and marginal 
macrocliaetae, bristly hairs of abdomen depressed; fronc tarsi 
greatly dilated, hind tibia' outwardly bearing a few bristles of 
unequal length; wings hyaline, hind crossvein nearly straight, 
fourth vein strongly curved inward beyond the bend; calyp- 
teres white; length, (> mm. Tifton, Ga. A single female speci- 
men collected October 20, 1896, by Mr. G. R. Pilate. Type No. 
3590, U. S. National Museum spinipennis n. sp. 
11. Middle tibiae each bearing two or more macrocliaetae on the front 
side near the middle L3. 
Middle tibia 1 each bearing a single macrochaeta on the front side 
near the middle, hind tibia 1 outwardly ciliate 12. 
VI. Apical pair of scutellar macrocliaetae curving forward, scutellum 
wholly black, front in the male two-fifths, in the female from 
two-thirds to three fourths, as wide as either eye, third joint 
of antenine in both sexes three and one-half times as long as 
the second; black, the second joint of antenna' usually, the 
palpi, apex of proboscis, femora usually, and generally the 
tibia', yellow; face white, sides of front grayish white polli- 
nose, two pairs of orbital bristles in the female, wanting in the 
male, frontal bristles descending to apex of second antennal 
joint, antenme six-sevenths as long as the face, arista thickened 
on the basal fourth, the penultimate joint shorter than broad; 
thorax gray pollinose, marked with four black vittae, scutellum 
bearing three pairs of long marginal and a short forwardly 
directed apical pair of macrocliaetae, abdomen wholly gray pol- 
linose, with darker reflecting spots, the hairs depressed; wings 
hyaline, third vein bearing two or three bristles near its base, 
calypteres white, front pulvilli of male slightly longer than the 
last tarsal joint; length, G to 9 mm. Cotuid and Boston, Mass. ; 
District of Columbia ; and Camden, Ark. Four males and three 
females. Type No. 3591, U. S. National Museum. . boarmhv n.sp. 
