61 
3. Femora and tibiwe black; three sternopleural macrochetie, but the 
lowest one sometimes very small, sternopleural hairs abundant 
SCECOMS MEUOUStsas te at. Team sees). JD 253.0 NA es 5. 
Femora and tibie yellow, abdomen usually yellow, at least on the 
sides at base, second and third segments bearing discal macro- 
CUE SNER EA ot 503 SE BN AIO ace eh a Ai Oo Og Se en 4, 
4, With three sternopleural macrochete, face in profile concave; 
black, the base of antenn, palpi, proboscis, apex of scutellum, 
cox, femora, tibiwe, and sides of first two or three abdominal 
segments partly or wholly yellow; length,8 mm. Los Angeles 
County, Cal. (Insecta Saundersiana, Vol. I, p.313; 1856: Dexia, 
Masicera eucerata Bigot, Annales Soc. Entomol. France, p. 263; 
IES CIS) chee ie eae 2: ee gh ny ced ee oe ee ee pedestris Walk. 
With only two sternopleural macrochetie, face in profile strongly 
convex; yellow, the apical two-thirds of the arista, upper part 
of the occiput except in the middle, and the middle of meso- 
notum black; front in the male two-fifths, in the female three- 
fourths, as wide as either eye, two pairs of orbital bristles in 
the female, wanting in the male; frontal bristles descending to 
tip of second antennal joint; cheeks bare, one-sixth as broad 
as the eye height; antennw almost as long as the face, the third 
joint six times as long as the second, nearly five times as long as 
broad, arista minutely pubescent, thickened on the basal third; 
thorax grayish pollinose, marked with four black vitta, scutel- 
lum bearing four pairs of marginal macrochetie; venter of 
abdomen destitute of short, stout spines; front pulvilli of male 
as long, in the female one-half as long, as the last tarsal joint; 
wings hyaline, veins in the female bordered with yellowish, 
third vein bearing two or three bristles at the base; length, 7 to 
8mm. Franconia, N. H., and North Carolina. One male and 
female, the latter collected by Mrs. A. T. Slosson. Type No. 
Boto Uo, Nationale Musenmi.~.os-6. et on... 5k Jflaveola u. sp. 
With only two sternopleurals; differs from the female of flaveola as 
follows: Black, the second antennal joint and base of the third, 
palpi, proboscis, femora, and tibive yellow, sides of abdomen 
basally sometimes also yellow; third joint of antennae four 
times as long as the second, nearly four times as long as broad; 
veins not bordered with yellowish; length, 5 to 5.5mm. New 
Bedford, Mass.; Cumberland County, N. J., and Tifton, Ga. 
Twelve females, collected by Dr. G. deN. Hough, Mr. C. W. 
Fonmnson..ang Mar, G. R, Pilate. 22.22... .ei58 gilvipes i. Sp. 
Seeerista thickened on only the basal third.............-....-.--s 6. 
Arista thickened on the basal three-fourths, third joint of antennie 
in the female three times as long as broad, front slightly wider 
than either eye, face in profile concave, abdomen shining, strongly 
tinged with bronze, base of second segment narrowly white polli- 
nose, second and third segments destitute of discal macrochietie, 
