1923 ] New Species of North American Dolichoopdidce 
63 
NEW SPECIES OF NORTH AMERICAN 
DOLICHOPODIDiE. 
By M. C. Van Duzee. 
Buffalo, N. y. 
Nothosympycnus luteipes sp. nov. 
Male: length 2 mm. Face very narrow, white. Front dark 
blue, shining. Antennae black or brown; third joint rather 
large, oval; arista twice as long as the antennae, pointed at tip. 
Lateral and inferior orbital cilia whitish. 
Dorsum of thorax brown, shining, still a little dulled with 
brown pollen; scutellum blue. Abdomen with the first, second, 
sides of third segment and the venter yellow; dorsum of third 
segment, the apical segments and the hypopygium blackish 
with green reflections; appendages of the hypopygium wholly 
black, except the yellow penis. 
All coxae and the posterior edge of the pleurae yellow; coxae 
without black hair or bristles, except the erect bristle on outer 
surface of hind ones. All femora and fore and middle tibiae 
yellowish, tips of hind femora and the hind tibiae more brown or 
black, still the base and lower edge of the tibiae are yellowish. 
Fore tarsi (fig. 4) yellow, blackened from the tip of the third 
joint; first joint about as long as wide, second as long as the two 
following joints taken together, fourth distinctly shorter than 
third and slightly longer than fifth. Middle tarsi (fig. 5) black 
from the tip of the first joint, which is about as long as the re- 
maining four taken together; tip of first joint with two and basal 
half of second joint with three long, slender, crooked hairs; 
second joint a little widened on basal half; third joint as long as 
second, fourth slightly shorter, fifth still shorter. Hind tarsi 
wholly blackish, shorter than their tibiae, first joint shorter than 
second. Calypters and halteres yellow, the former with black 
cilia. 
