48 Journal New York Entomological Society. [Vol. vi_ 



Chlorops prolifica O. S. A study of co-types of this species re- 

 ceived from Dr. J. A. Lintner, shows it to be a synonmy of C. varicep? 

 Loew. 



Qaurax anchora Loezu. This species has been re-described by Dr. 

 Williston under the name of Elachiptera dispar in Forbush and Fer- 

 nald's report on the Gypsy Moth, page 390. 

 Qaurax montanus, sp. now 



Head black, the lower part of the front, antennae, except the arista, face, cheeks,, 

 proboscis and palpi, yellow ; frontal triangle polished, the tides convex, the lower 

 end not reaching below lowest fourth of the front, sides of front opaque ye'vety \ 

 third joiat of antennae reniform, one and one-half times as broad as long, arista 

 densely short plumose. Thorax polished black, a large yellow spot above the middle 

 coxae ; scutellum semicircular, yellow, the extreme base brown. Abdomen black, 

 the baseytllow. Legs, including the coxae, light yellow. Knob of halteres black, 

 the stem yellow. Wings hyaline. Length, 2 mm. 



Two specimens. Mt. Washington (Mrs. A. T. Slosson) and While 

 Mts., N. H. (H. K. Morrison). Type No. 3804, U. S. Nat. Museum. 



Hippelates capax, sp. nov. 



Head black, the lower part of the front, the face, cheeks and palpi, yellow ; 

 frontal triangle subshining, the sides convex, the lower end not reaching below the 

 lowest third of the front, sides of front except the lower part opaque velvety, each 

 bearing a row of short bristles ; third joint of antennae circular, arista pubescent ; 

 vibrissas rather large. Thorax, scutellum and abdomen black, subshining, the ven- 

 ter basally yellowish. Legs dark brown, bases of femora and of tibiae, yellow. 

 Knob of halteres bright yellow. Wings hyaline. Length, 3 mm. 



Northern Illinois. A female specimen collected October 27, 1895, 

 by Dr. W. A. Nason. Type No. 3805, U. S. Nat. Museum. 



Hippelates bicolor, sp. nov. 



Head black, lower part of the front, antenna, except the extreme apex, and the 

 arista, face, cheeks and palpi, yellow ; frontal triangle polished, the sides concave, 

 the apex reaching lower end of front, bristles on sides of front very short, vibrissae 

 wanting ; third joint of antennae reniform, one and one-half times as broad as long. 

 Thorax and scutellum polished black, the latter semicircular, wider than long. 

 Abdomen yellow, sometimes marked with a dorsal row of black spots and a lateral 

 black vitta. Legs and halteres yellow. Wings hyaline. LeDgth, 2 mm. 



Lake Worth, Fla. Two specimens collected by Mrs. A. T. Slosson. 

 Type No. 3806, U. S. Nat. Museum. 

 Siphonella inquilina, sp. nov. 



Head black, the lower part of the front, antennae, face, cheeks and palpi, 

 yellow ; frontal triangle polished, the sides convex, the apex not reaching below the 

 lowest fourth of the front ; third joint of antennae orbicular, slightly wider than 

 long ; palpi projecting one third of its length beyond the oral margin. Thorax 



