195 



Tetralopha dolorosella sp. nov. 



Palpi, head, and thorax whitish powdered with black. Abdomen ochreous. 

 Primaries : ground color violaceous-grey powdered with black and suffused 

 with ochreous and rufous-brown tints ; basal t. a. area with considerable ochre- 

 ous-brown suffusion; basal scale tuft black; t. a. line black, double, included 

 space pale violaceous-grey, outwardly oblique from costa to inner margin; 

 mesial half of the median space pale violaceous-grey, distally bounded by a 

 black median line of scale tufts; distal half of median space heavily powdered 

 by black scales; t. p. line blackish, followed by a pale violaceous-grey shade, 

 erect between costa and radius, thence bent at a right angle and excurved 

 around cell, incurved below vein 5, outwardly produced to points on the veins; 

 s. t. shade line obsolescent, mainly indicated by a rufous-brown s. t. shade fol- 

 lowed by a violaceous grey terminal shade, and else indicated by some black 

 powdering of scales on the veins ; a terminal line of black dots between the 

 veins ; fringe brownish with a darker interline. Secondaries : brownish ; with 

 an obsolescent, slightly darker, median shade and a thin dark terminal line ; 

 fringe yellowish at base, followed by a fuscous interline ; tips whitish. Be- 

 neath : fuscous-brown ; the veins darker ; some of the maculation of the upper 

 side showing through; each of the wings with a black terminal line, more or 

 less broken by the veins; fringes as on upper side. 



Expanse: about 24 mm. 



Superficially very much like T. spaldingella in appearance, the 

 ochreous and red shades disconcolorous, contrasting ; but with the palpi 

 only reaching slightly beyond the vertex; and with the basal joint of 

 the antennae only slightly enlarged, bearing no process. 



Type locality: Colorado Springs, Colo. (Oslar). 



Number and sexes of types: Holotype $, unique. 



Tetralopha provoella sp. nov. 



Palpi, head and thorax powdered whitish and black. Abdomen ochreous, 

 heavily black banded, and powdered with black. Primaries : ground color whitish 

 heavily powdered with black and appearing grey; basal-t.a. space appearing 

 blackish; basal tuft black; t. a. line black, double, included space paler, out- 

 wardly excurved and oblique from costa to inner margin; median space whitish, 

 heavily powdered with black and appearing grey ; median shade marked by raised 

 scale tufts of black and white scales; t. p. line black, followed by a pale shade, 

 erect between costa and radius, thence excurved around cell, incurved below vein 

 5, outwardly produced to points on the veins ; s. t. shade obsolescent ; a terminal 

 line of black dots between the veins; fringe whitish, with a darker interline 

 more or less broken into dots, and with grey tips. Secondaries: fuscous; with 

 an obsolescent darker median shade; and a thin dark terminal line, more or 

 less broken into dots by the veins; fringe yellow at the base, followed by a 

 fuscous interline, tips white. Beneath: primaries whitish, heavily suffused with 



