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
median band and two following lines often more or less wholly suffused with white; sometimes a small curved blackish subterminal spot above anal angle; a blackish interrupted hind-marginal line: cilia light fuscous, with obscure dark fuscous quadrate spots on basal half. Hindwings with hindmargin unevenly rounded, crenulate, concave above anal angle; grey-whitish, with grey waved curved lines becoming obselete towards costa; a dark grey discal dot before middle; edges of median band marked with blackish towards inner margin; inner and hindmargins somewhat mixed with greenish; cilia grey-whitish.
Wellington, Christchurch, and Dunedin; in March and June, tolerably common.
§ B. Antennæ of male with short even ciliations (½–⅔).