1917] Banks—New Species of the Genus Dioctria (Asilid@) 119 
from base of wings to front cox is a yellowish pollinose stripe. 
Legs all pale yellowish, the hind basitarsus very large, as long as 
the next three joints together; the mesothorax has the hind lateral 
pieces yellowish, and the metathorax is golden pollinose; abdomen 
dull rufous, with indistinct black on each segment, mostly near the 
middle, first segment wholly black. Wings moderately fumose. 
Length, 8 mm. 
One female from Los Angeles, Calif. (Clark coll.). 
Differs from D. rubidus in the pale cox, and shape of style, 
from D. pusio in color of the abdomen and thorax, and the shape 
of the style. 
Type: M. C. Z. 10035. 
Dioctria flavipes sp. nov. 
Runs to no. 6 in Back’s table. The legs wholly pale yellow 
(including coxze); the mystax pale; the abdomen black, largely 
reddish below; the second segment has a reddish spot on the sides 
in front, hardly seen from above, the third segment has a basal 
reddish band, the fourth segment with both basal and apical 
bands of reddish, the fifth and sixth segments with reddish at tip. 
The hind basitarsus is large, and as long as the next three joints to- 
gether; the body has few, short hairs. Length 6 mm. 
One 2 from Yakima, Washington, 2 July 1882 (Samuel Hen- 
shaw coll.). 
Type: M. C. Z. 10036. 
Dioctria sackeni Will. 
The specimen from the White Mountains referred to by Williston 
in the Osten Sacken coll. is a male and has the genitalia similar to 
those of albius, but the parts are close together and may differ in 
details not clearly visible in this specimen. 
