110 
Beverly, Mass.; Hartford, Conn.: Virginia; Columbia, S. C; 
Savannah. Ga.; Centerville. Fla.; northern Illinois: Tennessee; 
Waco and Paris, Tex., and San Jose. Cal. (Insecta Saundersi- 
ana, Vol. I, p. 233; 185G: Tachina. Tachina obconica Walker, 
loc. eit., p. U00. Hemimasicera sp., Brauer and Bergenstamm 
in Utt.) albifrona Walk. 
Abdomen bearing discal niacrochaetse on the second and third seg- 
ments; black, the 6rst two joiuts of the antenna', palpi, and 
apex of scutellnm. yellow; front of female almost as wide as 
either eye, frontal bristles descending beneath the arista, sides 
of face yellowish- white poliiuose, vibrissa- on a level with front 
edge of the oral margin, ridges bristly on the lowest two-fifths, 
cheeks one-fifth as broad as the eye height; third joint of an- 
tenna' two and one third times as long as the second, arista 
thickened on the basal halt'; thorax bluish-gray pollinose, 
marked with four black vittae, four postsutural macrochaetae, 
scutellnm bearing three loug marginal pairs and a short apical 
one; abdomen subshining, thinly white pollinose; wings hya- 
line, tinged with yellowish at the base and along the costa, third 
vein bearing t wo or three bristles at the base, calypteres white; 
length. 9 mm. Scuttle. Wash. One female. . .occidentals n. sp. 
Abdomen bearing discal macrochaetae, etc. Differs from oecidcntnlis 
as follows: Coxa-, femora, and tibia;, yellow ; front of male one- 
half as wide as either eye, sides (»t face white pollinose, facial 
ridges bristly on the lowest fifth, third joint of antenna 1 four 
times as long as the second, arista thickened on the basal two- 
fifths, abdomen opaque gray pollinose, marked with olive-brown 
reflecting spots, wings not tinged with "yellow ; length, mm. 
Florida. A single male specimen, collected by Mrs. A. T. 
Slosson (instralis n. sp. 
5. Second and third segments of abdomen destitute of discal macro- 
chaetae, apex of abdomen and ofscutellum yellow 6. 
Second, third, and fourth segments bearing discal macrochsetae, some 
on the fourth as long as those on the third, apex of abdomen 
and of scutellnm black, third vein bearing three bristles at its 
base: length, 6.5 mm. Jacksonville, Fla. (Biol. Cent. -Am., Dipt., 
Vol. 1 1. p. 105; March, 1890: Masicera.) strigata v. d. W. 
0. Cheeks one-sixth as broad as the eye height, frontal bristles not 
reaching to base of third joint of antennae (see above under 3). 
pit y clod is n. sp. 
Cheeks one-ninth as broad as the eye height, frontal bristles descend- 
ing below the arista, third vein bearing a single bristle near the 
base: black, the palpi, apex of scutellnm, and sides and apex of 
abdomen, yellow; front of female three-fourths as wide as either 
eye, third joint of antennae three and one-half times as long as 
the second, arista thickened on the basal fourth; otherwise as 
in the above description of phyciodis. A single female specimen 
