48 
Psyche 
[April 
with white pollen, in the type there are many dots where the 
ground color shows through, its hairs white and conspicuous. 
Coxae, femora, tibiae and tarsi black with more or less white 
pollen. Fore coxae with moderately long, white hair. Fore 
femora thickened, lower anterior surface with a stripe of numer- 
ous, quite long, irregular bristles, extending their whole length. 
Anterior tibiae with quite long pale hair on the front surface; all 
tibiae and tarsi with minute white hairs below, which are longer 
on anterior and posterior basitatsi, the latter bent and with 
several long, black, bristle-like hairs above. Joints of fore tarsi 
as 46-25-20-14-18; first two joints of middle tarsi as 78-39; joints 
of posterior pair as 64-43-35-26-22. Calypters, their cilia and 
the halteres pale yellow. 
Wings dark grayish; in front of third vein, except at tip, 
between third and fourth veins to a short distance before the 
cross-vein; a roundish spot at anal angle, a spot between fourth 
and fifth veins before the cross-vein and a small spot between 
third and fourth veins near their tips whitish, these spots cons- 
picuous without a lens; veins blackish, except sixth vein which is 
snow white towards its tip; last section of fourth vein somewhat 
arched. 
Described from one female, taken at Aweme, Manitoba, 
July 12, 1925, by R. D. Bird. 
Type in the Canadian National Collection. 
Hydrophorus flavipennis new species. 
Male: Length 4.5 mm.; of wing 4 mm. Face wide, scarcely 
narrowed above, green with silvery white pollen, which is most 
conspicuous around the edge of lower portion. Palpi black with 
white hair. Front metallic coppery, dulled with grayish pollen. 
Antennae black, third joint small, nearly round in outline; arista 
black with apical half yellowish white. Beard long and abundant, 
snow white; I can see only about five black cilia on upper orbits. 
Thorax green, dorsum with a narrow brown line each side 
of the acrostichal bristles, and two less distinct lines on each side 
of these; it has a very little gray pollen; pleurae with white hair 
above middle coxae; propleurae with long white hair above each 
