THE DIPTEROUS GENUS DOLICHOPUS IlSr NORTH AMERICA. 199 

 No. 141. DOLICHOPUS SPLENDIDUS Loew. 



DoKchopus splendidus Loew, Neue Beitr., vol. 8, 1861, p. 21; Mon. N. Amer. 



Dipt., pt. 2, 1864, p. 44.— Melander and Brues, Biol. Bull., vol. 1, 1900> 



p. 148. 



ifaZe.— Length 5-5.5 mm.; of wiiig 4.5 mm. Face rather wide, 



yellowish white, paler below. Front shinmg green. Antennae black; 



first joint usually wholly black, but sometimes the lower apical 



comer is distinctly yeUow; third joint longer than wide, rounded at 



tip, sometimes obtusely pointed. Lateral and inferior orbital cilia 



yellowish. 



Thorax bright shinmg green, sometimes with reddish coppery 

 spots before the suture and along the median Ime of the dorsum; 

 dorsum distmctly white pollinose along the front; pleurae dulled with 

 white poUen. Abdomen green, sometimes with coppery reflections. 

 Hypopygium black; its lamellae (fig. 141a) moderately large, some- 

 what romid in outline, but straight below, whitish with narrow black 

 border on apical margin, jagged and bristly on lower half of the 

 apical edge, fringed with black hairs above. 



Fore coxae wholly yellow, with very minute black hairs on their 

 anterior surface. Middle and hind coxae black with yeUow tips. 

 Femora and tibiae yeUow. Middle and hind femora each with one 

 preapical bristle, the latter ciliated on lower inner edge for nearly 

 one-half their length with yellow hairs, the longest of which is longer 

 than the width of the femora. Posterior tibiae a little thickened, a 

 little brownish on the sides at tip. Fore tarsi (fig. 1416) one and a 

 half times as long as their tibiae; the first two joints taken together 

 nearly equal in length to the tibia; first joint a httle longer than the 

 second and third together, third a httle shorter than the second, 

 fourth about half as long as second, slightly compressed and almost 

 whitish, fifth joint black, about as long as third, compressed, widest 

 near the tip, where it is about as wide as long, somewhat triangular 

 in outline; first tlu-ee joints yellow. Middle tarsi a little longer than 

 their tibiae, blackened from the tip of the first joint, which has a 

 large bristle above. Hind tarsi wholly black. Calypters, then- cilia, 

 and the halteres yellow. 



Wings (fig. 141) grayish; costa'with an elongated enlargement at 

 tip of first vein; last section of fourth vein a little bent just before its 

 middle; hind margin of wing scarcely indented at tip of fifth vein; 

 anal angle prominent. 



Female. — Face wide, whitish; fore tarsi plam, more or less infus- 

 cated from the tip of first joint, the last three joints black; they are a 

 httle longer than their tibiae, fifth jomt as long as the third, which is a 

 little shorter than second, fourth shorter than fifth; middle tibiae 

 with three bristles below, one pair at apical third and one bristle at 

 basal third; hind femora without ciUa below; wings about as in the 



