THE CANADIAN ENTOMOLOGIST 339 



slender, pubescent; front and thorax bronze brown, shining, 

 slightly dulled with brown pollen; pleurae with whitish pollen. 

 Abdomen dark bronze brown with more or. less purple reflections 

 towards the tip; venter yellowish, which colour extends more or 

 less to the dorsum at the base; hypopygium brown, rounded and 

 conspicuous, with minute white pubescence and a few black 

 bristles; outer appendages long yellow filaments which are ciliate 

 Avith long hairs placed at regular intervals (F), inner appendages 

 black, club-shaped. Fore coxae yellow, nearly bare but with a 

 few bristles near the tip; middle and hind coxae black with the 

 extreme tips yellow; legs yellow; last three joints of fore and hind 

 tarsi and the middle tarsi from the tip of the first joint infuscated; 

 hind femora more or less darkened at the tip; first joint of fore 

 tarsi about as long as the remaining four and with several bristles 

 towards the tip, second joint longer than any of the following, 

 enlarged below, last three joints of nearly equal length, third joint 

 contracted at base; fore pulvilli not enlarged; middle tarsi slender, 

 about one and one-half times as long as their tibiae; first joint dis- 

 tinctly shorter than the four remaining joints together; first joint 

 of hind tarsi shorter than the second. Halters yellow; cilia of 

 the tegulae pale. Wings browmish hyaline; fourth vein ending in 

 the apex of the wing. 



Described from six males from Wild Cat Canyon, San Pablo, 

 Contra Costa Co., Cal., taken Nov. 16th by J. C. Bradley. 



Type in the Cornell University collection. 



Sympycnus canadensis, n. sp. 



Male. — Length 2 mm., length of wing the same. Face silvery 

 white, black just below the antennae, rather wide for a male, 

 narrowed below; palpi brown; front almost black with violet re- 

 flections, shining; antennae black, third joint triangular, as long 

 as the width at base; arista dorsal, pubescent. Thoracic dorsum 

 violet in the centre, more coppery on the sides with considerable 

 brown pollen on the front sides, and with a large, velvety black 

 spot on each side above and in front of the root of the wings, the 

 sloping posterior portion and the scutellum bright green; pleurae 

 blackish with gray pollen. Abdomen dark green, shining, with 

 the venter and most of the second and third segments yellow, 



