46 
[V r o\. VI. 
Journal New York Entomological Society. 
triangle polished, toward the sides striated, its lower end broad, rounded, reaching 
lower end of the front, sides of the latter bare ; third joint of antennae subquadrate, 
only slightly longer than broad. Thorax black, the sides and pleura yellow, the 
latter marked with four black spots, mesonotum coarsely punctured, scutellum yel¬ 
low, convex. Abdomen black, the sides and venter yellow. Coxae, femora and 
tibiae reddish yellow, the middle of the hind tibiae and all tarsi black. Halteres yel¬ 
low. Wings grayish hyaline, third and fourth veins stroDgly diverging apically, hmd 
crossvein twice its length from the small. Length, 4 to 5 i^n* 
Fourteen specimens, Beverly, Mass., June 4 and 20 (Edward Bur¬ 
gess), and Colorado (Carl F. Baker and H. K. Morrison). Type No. 
3798, U. S. Nat. Museum. 
Chlorops aristalis, sp. nov. 
Head yellow, the front triangle, third joiat of antennae, clypeus and occiput ex¬ 
cept the sides and lower part black, arista white, the thickened basal part yellow ; 
frontal triangle polished, the sides converging to below the middle of the front, 
then as a narrow line extending to the lower edge of the front, sides of the latter 
bearing short, black, bristly hairs ; third joint of antennae one and one-half times as 
long as broad, concave above and convex below ; palpi unusually large, projecting 
nearly one-third of their length beyond the anterior oral margin. Thorax yellow, the 
mesonotum subshining, marked with five nearly contiguous black vittoe, the pleura 
marked with three blackish spots ; scutellum yellow, convex. Abdomen dark 
brown, the sides and venter yellow. Coxae, femora and tibiae yellow, the tarsi 
brownish. Halteres yellow. Wings hyaline, hind crossvein one and two thirds times 
its length from the small. Length, 3 to 4 mm. 
Three specimens. North Carolina and southern Georgia. Collected 
by H. K. Morrison. Type No. 3799, U. S. Nat. Museum. 
Chlorops scabra, sp. nov. 
Head yellow, the frontal triangle, second antennal joint and narrow upper edge 
of the third, the clypeus and occiput except the sides and lower part, black, arista 
brown, the thickened base black ; frontal triangle polished, its sides converging to 
below middle of front, then nearly parallel, extending to lower end of front, sides of 
the latter bearing short black bristly hairs ; third joint of antennae orbicular, slightly 
shorter than wide. Thorax black, the sides and pleura yellow, one or two spots on 
the pleura, and the sternum largely black ; mesonotum subshining, coarsely punc¬ 
tured ; scutellum yellow, convex. Abdomen dark brown, the sides and renter yel¬ 
low. Legs reddish yellow, a broad black band near middle of each hind tibia, apices 
of tarsi brown. Halteres yellow. Wings hyaline, hind crossveia over twice its 
length from the small. Length, 3 to 4 mm. 
Two specimens. Oswego, N. Y. Collected July 17, 1896, by 
Professor Sheldon. Type No. 3800, U. S. Nat. Museum. 
Chlorops rubida, sp. nov. 
Head yellow, an ocellar dot and narrow upper edge of the third antennal joint, 
black ; frontal triangle polished, punctured, each puncture bearing a short hair, a me- 
