164 BULLETIN 116, UNITED STATES NATIONAL MUSEUM. 



joint about as long as the following three taken together; fifth fully 

 as long as the fourth, and with a point projecting over the claws, 

 which terminates in several hairs, still the joint is scarcely compressed. 

 Hind tarsi one and one-fourth times as long as their tibiae, wholly 

 black. Calypters and halteres yellow, the former with black cilia. 



Wrings grayish; costa with a small knotlike enlargement at tip of 

 first vein; last section of fourth vein bent before its middle, its tip 

 widely separated from the tip of the third vein, which bends back- 

 ward a little; hind margin of wing a little indented at tip of fifth 

 vein, rather regularly rounded, the anal angle being rounded, but 

 moderately prominent. 



Female. — Face broad, grayish white; tarsi a little darker than in 

 the male; hind tibiae less blackened at tip and without the brown 

 line on inner surface which is found in the male; hind femora not 

 ciliated; costa not enlarged at tip of first vein; otherwise about as in 

 the male. Middle tibiae with three bristles below, two at apical 

 third and one near basal third, their basitarsi without a bristle above. 



Redescribed from the twotype specimens in J. M. Aldrich's col- 

 lection, which were taken in Connecticut, and from 5 males and 5 

 females; 2 males and 3 females were taken at New Bedford, Massa- 

 chusetts; 1 pair at Woods Hole, Massachusetts, July 2, 1899; 1 

 female at Ipswich, Massachusetts, July 29, 1909; arid 2 males on 

 Long Island, New York, July. [Chesapeake Beach, Maryland, at 

 edge of salt water, September 8, 1920. — ^J, M. A.] 



Types. — ^In the University of Kansas collection and in that of 

 J. M. Aldrich. 



* No. 114. DOLICHOPUS REFLECTUS Aldrich. 



Dolichopiis reflectus Aldrich, Kansas Univ. Quart., vol. 2, 1893, p. 12. 



Male. — Length 5 mm.; of wing 4.5-4.8 mm. Face moderately 

 wide, slightly narrowed below, white. Front green with more or less 

 blue or violet reflections. Antennae yellow; third joint darker or 

 brownish, a little longer than wide, somewhat conical in outline, 

 rather rounded at tip; palpi dark yellow. Lateral and inferior cilia 

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



Thorax green with bronze reflections, which usually form a median 

 vitta on the dorsum, the anterior edge of which is dulled with grayish 

 pollen, posterior portion and scutellum usualty with blue reflections; 

 pleurae dulled with white pollen. Abdomen green with bronze 

 reflections, sometimes more bronze-brown with green reflections; 

 the white T)ollen on its sides abundant and reaching upon the dorsum. 

 Hypopygium black; its lamellae of moderate size, somewhat triangular 

 in outHne, but rounded at apex, whitish with a moderately wide 

 black border on apical margin, which is jagged and bristly on its 

 lower half, and fringed with delicate hairs on upper half. 



