338 THE CANADIAN ENTOMOLOGIST 



which is thickest on the pleura', sides of the dorsum and space be- 

 fore the scutellum; scutellum shghtly darker than the dorsum, 

 and with two strong bristles inserted at the sides. Abdomen 

 bronze brown, shining, with the apical half of segments three to 

 six pale verdigris-green, first and second segments of the same 

 colour on the sides, the green nearly meeting on the dorsum of the 

 second along the hind margin; venter ciark brown, paler towards 

 the base; hairs of the abdomen black except a few on the sides of 

 tlie first and second segments; hypopygium small, forming a rounded 

 tip to the abdomen and without visible appendages. Fore coxae 

 yellow with abundant, rather long, pale hairs on the front surface; 

 middle and hind coxae black with yellow tips, hind pair with a 

 pale bristle and tvvo pale hairs on the outer surface, middle pair 

 with pale hairs. Legs yellow; hind femora darker above; fore 

 tarsi short, scarcely as long as their tibiae, darkened towards the' 

 apex, last two joints black; fore pulvilli enlarged; middle tarsi 

 slender, a little longer than their tibiae; middle tibiae with two 

 bristles near the base and one hear apical third; hind tarsi stout, 

 infuscated from the tip of the second joint, about four-fifths as 

 long as their tibiae, first and second joints subequal. Halters and 

 tegulae pale yellow, tegular cilia pale. Wings grayish hyaline 

 with the fourth vein ending in the apex of the wing. 



Described from a single male* taken at Fulton, St. Cruz Mts., 

 Cal., (300 feet). May, by Dr. J. C. Bradley. 



Type in the Cornell University collection. 



The wings in the type are in very poor condition. The 

 species can easily be recognized by the slender third antennal 

 joint, small hypopygium with its small appendages, and the colour 

 of the feet. 



Sympycnus caudatus, n. sp. 



Runs in the keys to N. Am. species to 5. lineatus Loew, but 

 is distinguished by the longer hypopygial appendages, colour of 

 the thorax and the modified fore tarsi. (Fig. 28, E, lineatus; F, 

 caudatus.) 



Male. — Length 2-3 mm. Eyes meeting so as to obliterate 

 the face; antennae (Fig. 28, D) small, first and second joints yellowish, 

 third joint black, slightly pointed, scarcely as long as wide; arista 

 dorsal, inserted near the base of the third joint, rather long and 



