Pas. bilineolata, Walk.

(Eupithecia bilineolata, Walk., 1246; Scotosia humerata, ib., 1362; Eupithecia semialbata, ib., 1708; Helastia charybdis, Butl., Cist. Ent., ii., 503; H. calida, ib., 504.)

Male, female.—20–23 mm. Head and thorax ochreous-whitish, mixed with green and light fuscous, sometimes spotted with black. Palpi 2 ½, green, somewhat irrorated with whitish and black. Antennæ in male light ochreous, ciliations 3, in female white ringed with black. Abdomen ochreous-whitish, mixed with fuscous and irrorated with black, with a more or less defined black median ring. Legs dark fuscous, apex of joints ochreous-whitish, posterior tibiæ suffusedly irrorated with ochreous-whitish. Forewings with hindmargin bowed, oblique, sinuate above anal angle; whitish-fuscous, towards costa and hindmargin suffused with green; numerous curved waved darker fuscous lines, partly marked with black; anterior edge of median band from ⅜ of costa to ⅖ of inner margin, curved, sometimes followed by a blackish suffusion; posterior edge from before ¾ of costa to ¾ of inner margin, sinuate beneath costa, rather projecting in middle, thence parallel to hindmargin; in female the