204 BULLETIN 116, UNITED STATES NATIONAL MUSEUM. 



Redescribed from many males and females. One pair were from 

 Europe, the others were taken as follows: St. Hilaire, Quebec, July 

 1; Pany Sound, Ontario, June 4; Kearney, Ontario, July 3; Brule 

 Lake, Ontario, August 3; Ridgeway, Ontario, June 7; Golden, New 

 York, July 19; Polk County, Wiconsin, July; Kodiak, Alaska, 

 July 20: Bond Lake, Ontario, July 16; Toronto, Ontario, July 18; 

 Waubamic, Ontario, June 14; Lyndon, Vermont, August 22. 



Loew reports it from English River, Canada; Red River; Sitka, 

 Alaska; and the White Mountains, New Hampshire. Coquillett 

 reports it from Alaska, several places. It is found in middle and 

 northern Europe. Location of type unknown. 



No. 145. DGLICHOPUS BOREUS, new species. 



Male. — -Length 5 mm.; of wing 4.7 mm. Face wide, scarcely nar- 

 rowed below, silvery white, slightly tinged with gray, long, reaching 

 nearly to the lower corner of the eye. Front green or blue-green, 

 slightly dulled, antennae (fig. 145) black; first joint broadly yellow 

 below; third joint fully twice as long as wide, pointed at tip, with the 

 subapical arista inserted just above the point. Lateral and inferior 

 orbital cilia yellowish white, about eight of the upper cilia on each 

 side black. 



Thorax green, or bronze brown with green reflections : dorsum duUed 

 with brown pollen, pleurae with grayish pollen. Abdopien green, 

 sometimes bronze brown with purple reflections. Hypopygium black ; 

 its lamellae of moderate size, somewhat oval in outline, but rather 

 angulated at base above, not much longer than wide; yellowish with 

 a black apical border, jagged and bristly at apex. 



Fore coxae yellow with a blackish spot at base on outer side, their 

 anterior surface covered with yellow hairs; there are a few little black 

 hairs along the inner edge. Middle and hind coxae black with yellow 

 tips. Femora and tibiae yellow. Middle and hind femora each with 

 one preapical bristle, the latter without cilia below; the little black 

 hairs on their sides descend to the lower edge, although the lower ones 

 are very minute; they have a few rather long black hairs at base 

 above. Posterior tibiae a little thickened especially at tip, where 

 they are blackened a little, most on inner surface; the glabrous stripe 

 on u])per surface is distinct and reaches the tip; on the inner surface 

 there is a glabrous space just inside of the inner row of bristles, which 

 is wide on basal portion and tapers to a narrow line at tip, uniting 

 there with the stripe on upper edge. Fore tarsi (fig. 145a) nearly 

 twice as long as their tibiae, first two joints ])lack or blackish, third 

 and fourth yellow, fifth black; first joint one and a fourth times as 

 long as the second; second, third, and fourth of nearly equal length, 

 the third being slightly the shortest; fifth small, compressed, oval, but 

 little longer than wide, not over one-fourth as long as fourth. Middle 

 tarsi one and a third times as long as their tibiae, })lack from the tip 



