108 
Psyche 
[June-August 
male darker than others; claws broadly yellowish; humeri 
subshining, (Mont.) rufotarsus Back. 
Front tibiae and tarsi of male with appressed silvery pile 
concealing the ground-color at least of tarsus; middle 
tarsi darkest; claws black the base reddish; humeri and 
adjacent region of thorax heavily silvery- white pruinose. 
(Wash.) tacomce n. sp. 
30. Front tarsi of male with single row of silvery pile from very 
base; last two joints of middle tarsi with the flat disk of 
black pile longer than broad; pile of abdomen yellowish 
white at base, black apically. (Wash., Or.) (If front 
metatarsi of male are not silvery, see Willistoni) 
pr cepes Will. 
Front and middle tarsi of male not ornamented. . . .31. 
31. Scutellum with long black pile; mystax and hypopleurse 
pile black; pleurae shining above; notal pattern including 
mark like a tuning-fork. (N. H., N. Y., N. C.) lyratus O .S. 
Scutellum with short white pile; mystax partly white, 
hypopleural pile white; pleurae densely white pruinose. 
(N. H., N. C.) alleni Back. 
32. Abdomen with pollinose markings at least of segments 2- 
4 extending from side to side 33 . 
Abdominal fasciae interrupted, sometimes subinterrupted, 
that of first segment sometimes entire 39. 
33. Greater part of middle segments of abdomen covered with 
gray pollen and the front angles polished; hypopleural 
pile white 34 . 
Greater part of abdominal segments shining, or if largely 
pollinose the pollen extending along the sides so that the 
front angles are not polished 36 . 
34. Pollen denuded in circular spot in middle of each tergite; 
tibiae with many white bristles, male with brushes of white 
hair on front side of middle tibiae below knee and on front 
side of middle metatarsi. (Wash.) . . . ahlautoides, n. sp. 
Middle of tergites pollinose, or if shining not forming a 
central round spot; white hairs of legs evenly distri- 
buted 35 . 
