272 BULi-ETIX 116, UNITED STATES NATIONAL MUSEUM. 



is blackened almost to the base. Calypters and halteres yellow, the 

 former with black cilia. 



Wings (fig. 198) grayish, the front slightly darker; costa with a 

 very small enlargement at tip of first vein; last section of fourth vein 

 a little bent before its middle; hind margin of wing a little indented at 

 tip of fifth vein and with a small sinus eacli side of the tip of sixth 

 vein, leaving a slight lobe at the tip of sixth vein, somewhat narrowed 

 from here to the anal angle, which is prominent but narrow. 



Female. — Face wide, grayish white; fore coxae with more black 

 liairs than in the male; fore tarsi plain, a little longer than their 

 tibiae, infuscated from the tip of the first joint; fifth joint nearly as 

 long as third, fourth distinctly shorter; fore femora with a few longer 

 hairs at base of upper edge but they are much shorter than in the 

 male; wings nearly evenly rounded on the hind margin; anal angle 

 prominent but rounded off. 



Redescribed from 11 males and 10 females taken in the State of 

 Washington from June 19- July 23; they were taken at Olga and 

 Friday Harbor by J. M. Aldrich and at Olympia by Prof. Trevor 

 Kincaid. Also 6 males taken by A. L. Melander, one at Dewatto, 

 Washington, Aug. 15, and the others at Lake Crescent, Piedmont, 

 Washington, July 26. 



Type. — In University of Kansas, from the State of Washington. 



No. 199. DOLICHOPUS AINSLIEI, new species. 



Male. — Length 5 mm.; of wing the same. Face rather wide, a 

 little narrowed below, silvery white. Front green, not very bright. 

 .Intennae yellow; third joint .nostly olackish, somewhat orbicular 

 in outline, rather rounded at tip. Lateral and inferior orbital cilia 

 yellowish, about seven of the upper cilia on each side black. 



Thorax green with more or less bronze reflections, which form a 

 median vitta on the dorsum in some specimens; dorsum dulled with 

 rather thick gray pollen, which is often more brownish on the disk; 

 pleurae dulled with white pollen. Abdomen green with coppery 

 reflections, dulled with grayish pollen. Hypopygium black; its la- 

 mellae (fig. 199a.) rather small, somewhat elongate oval, but rather 

 pointed at tip, about two and a half times as long as wide, white 

 with a black border on apical margin, very narrowly black on upper 

 edge, jagged and bristly at tip, fringed above with a few black hairs. 



Coxae yellow, middle ones a little blackened on outer side; fore 

 coxae with silvery pollen and delicate little yellow hairs on the 

 anterior surface; sometimes there are a few very minute black ones 

 on inner edge. Femora and tibiae yellow. Middle and hind femora 

 each with one preapical bristle, ciliated on lower inner edge with a 

 few delicate white hairs, which are nearly as long as width of femora. 

 Posterior tibiae thickened; the usual glabrous stripe on upper sur- 

 face distinct bat somewhat broken, their inner surface glabrous for 



