140 PROCEEDINOS OF THE NATIONAL MUSEUM. vol.46. 



pleurae yellow, a spot below humeri, another on lower anterior half 

 of mesopleura, the lower portion of sternopleura, a spot between 

 mid and hind coxae, and a vertical streak below wing base black; no 

 black pleural bristles present; scutellum yellow, darkened laterally 

 at base; the bristles and several short discal setulse black, some other 

 weaker discal setulse yellow. Abdomen brownish yellow, glossy; 

 surfaces of segments with scattered, short, pale setulse; posterior 

 margin of last segment and postero-lateral margins of other segments 

 with a few black bristles. Legs yellow, all femora and tibiae browned 

 on the middle; tarsi brown; surfaces of all legs with numerous short 

 yeUow hairs, intermixed with which, on the dorsal surfaces, are 

 regular longitudinal rows of short black setulae; no distinct tibial 

 bristles present, and those on the ventral surfaces of femora weak. 

 Wings clear, basal portions of veins yellowish; costa from end of 

 first veui, third vein from before cross vein, and fifth vein almost 

 from its base, brown; costa slightly interrupted at a little before end 

 of first vein; fourth vein indistinct beyond outer cross vein; for 

 venation see figure 8, Plate 4. Halteres yeUow, knobs white. 



Length. — 1.5 mm. 



Type.— Cat. No. 15747, U.S.N.M. 



One female: Wellington, Kansas, hibernating in clump of Andro- 

 pogon scoparius January, 1913 (H. E. Smith). 



EUCHLOROPS SIMILIS, new species. 



Female. — Frons reddish yellow, ocellar triangle subshining, ocellar 

 region and margins of triangle black-brown; head ^newed from above 

 almost as in vittata, but slightly more elongate, the hairlike surface 

 bristles rather sparse, black, no pale hairs present; antennae brown, 

 basal two joints and base of third yellowish, size and shape as in vit- 

 tata; clypeus black; face and cheeks yellow, profile almost as in 

 previous species, but upper mouth margin slightly more produced; 

 palpi yellow; proboscis yellow, normal in shape. Mesonotum yellow, 

 subshining, three broad longitudinal vittae present; only one pair of 

 strong, widely placed, dorso-centrals present, disk with numerous 

 irregularly arranged, black, setulose hairs; lateral bristles strong; 

 pleurae yellow, marked with black as in vittata, but the markings larger 

 and not so well defined; scutellum yellow, with a black mark on 

 either side; marginal bristles subequal, discal hairs black, setulose. 

 Abdomen shining black-brown; segments subequal, except first, 

 which is shortened ; disk of all segments with pale, scattered hairs, 

 lateral margms, and apex of fifth (last) segment with black bristles. 

 Legs reddish yellow, femora slightly darkened on middle ; tibiae dark- 

 ened from near base, becoming black at apices, tarsi black; fore femora 

 with two black bristles on about middle of postero-doreal surface; 

 surfaces of all legs with short black hairs, with which are intermixed 



