106 
Piyche 
[June-August 
18. At least hind tibiae in part reddish, usually anterior pairs 
also more or less reddish 19 . 
Legs entirely black, sometimes hind tibiae with dark cas- 
taneous tinge . . . . . . . . . . 27 . 
19. Wings of male with two large black marks; vertex little 
excavated and heavily deep golden pollinose; mesonotum 
deep golden pollinose, the four corners shining; mystax 
golden; abdomen with yellow lateral tufts; segments 2-5 
with broadly interrupted posterior fasciae. Wings of 
female infuscated over apical part and over end of anal 
cell; color of pile and pollen less deep. Anterior crossvein 
near middle of discal cell. (N. H., Minn., N. M., Col., 
Wyo., Id., Or., Wash.) himacula Walk. 
Wings not bimaculate; vertex more evidently excavated; 20 . 
20. Abodmen of male with a large tergal patch of dense fulvous 
tomentum; hypopleural hairs white. (Ont.) vulneratus,n. sp. 
Abdomen without such mark of fulvous tomentum. . 21 . 
21. Male front tarsi with recumbent silvery pile, last two joints 
of middle tarsi of male with disk of black hairs; 'gray 
pruinose marks of abdomen very small and located at 
hind angles of the segments. (If male front tarsi silvery 
but middle tarsi without disk, see tacomce.) 22 . 
Front tarsi without silvery recumbent hairs and middle 
tarsi without black disk 25 . 
22. Silvery hairs of male front tarsi parted; black disk of middle 
tarsi confined to last two j oints 23 . 
Silvery hairs of front tarsi not parted, beginning on second 
joint; short black hairs on third joint of middle tarsi be- 
ginning the disk; pul villi dark brown 24 . 
23. First two segments of abdomen with white pile on sides, 
in male contrasting with black pile on remainder; front 
metatarsi of male not silvery above, but densely beset 
on both sides below with black bristles; pulvilli whitish. 
(Cal., N. M., Wyo., Col.) callipedilus Lw. 
Abdomen with black pile over all; front metatarsi of male 
silvery above and not spinose beneath; pulvilli brown. 
(Cal.) . , cymballista O. S. 
