210 
Psyche 
[December 
have taken hrevicornis near Spokane, in the Olympic Peninsula 
and near Mount Adams, in Washington; at Portland, Oregon; 
and in the Yellowstone Park. I have also taken scitula at 
Portland, Oregon, and alhosetosa at Yakima, Washington. The 
preceeding key differentiates the species assigned to Cophura. 
Cophura melanochaeta, new species. 
Male. — Length 6.5 mm. Black, head and thorax cinereous 
pollinose, abdomen marked with silvery pruinose fasciae on 
segments 2-5 and round pruinose spots on hind angles of segments 
1-5. Facial hairs sparse, white, oral bristles strong and black, a 
row of black setulae along frontal orbits, occipital hairs and setae 
white; basal joints of antennae rounded, with strong black 
inferior setae, third joint widest beyond middle, three times 
the length of either basal joint, the style three-jointed, including 
its apical peg-like joint as long as a basal joint of the antennae. 
Mesonotum with dense pollen, darker gray in center, its vestiture 
short black recumbent setulae, lateral bristles black, base of 
scutellum heavily light-gray pollinose, only two short black 
apical setae, middle of metanotum lightly pollinose. Abdominal 
hairs inconspicuous, pale, those at base of the small pygidium 
dark; ventral segments mostly shining black, each gray-fasciate 
at base and apex. Leg bristles black, hairs pale, inside of distal 
half of hind tibiae and of basal two joints of hind tarsi thickly 
yellow pubescent. Halteres yellow; wings entirely h 3 "aline, 
veins black, clear-cut, fork of third vein a little beyond discal 
cell, anterior crossvein slightly beyond middle of discal cell, 
anal cell open. 
Female. — Length 10 mm. 
A pair taken at Waha, Idaho, 12 Aug. 1923; another 
female, Moscow Mt., Idaho, Jul. 8. 
Key to the Species of Metapogon. 
Legs in part reddish; wings more or less clouded on cross- 
veins 2 . 
Legs black, at most knees reddish; wings n6t marked about 
crossveins; antennae black 4. 
