Page:Transactions NZ Institute Volume 15.djvu/69

slightly dilated posteriorly, costa moderately arched near base, thence nearly straight, somewhat sinuate beyond middle, hindmargin rather strongly oblique, nearly straight, very slightly sinuate; whitish-grey, with some scattered spots of dark fuscous scales; basal patch reddish-brown, exterior edge sharply marked, broadly dark fuscous, from ⅕ of costa to ⅕ of inner margin, irregular, hardly angulated; a large reddish-brown triangular costal patch, extending on costa from ⅓ to near apex, reaching rather more than half across wing, apex broken and partially suffused, anterior and posterior edges sharply marked, broadly margined with dark fuscous, costal edge marked with three small dark fuscous spots; a similar small dark fuscous spot on costa before apex: cilia grey-whitish, with a dark grey basal line. Hindwings grey, with a pencil of long whitish-yellowish hairs on costa at base; cilia pale grey.

Immediately known by the whitish-grey forewings, with reddish-brown basal and costal patches.

Two specimens, in poor condition, taken by Mr. J. D. Enys, at Porter's Pass.

Parva, alis ant. dilute ochreis, plusquam dimidio posteriore post-lineam obliquam fusco, antice saturatiore; post. griseis.

Male.—12½–13½ mm. Head, palpi, and thorax whitish-ochreous; palpi rather elongate, externally fuscous. Antennæ whitish-ochreous, annulated with dark fuscous. Abdomen light grey. Legs grey-whitish, anterior and middle pair suffused with dark fuscous except at apex of joints. Forewings moderate, posteriorly somewhat dilated, costa rather strongly arched near base, thence nearly straight, hindmargin nearly straight, oblique; pale whitish-ochreous, with scattered obscure ochreous-fuscous strigulæ; base indistinctly suffused with ochreous-brownish; posterior ⅗, beyond a straight sharply-defined line from ⅖ of costa to slightly beyond middle of inner margin, fuscous, strigulated with dark reddish-fuscous, and becoming dark fuscous towards anterior edge, more broadly towards costa, and on a small very ill-defined costal spot towards apex: cilia whitish-ochreous or light brownish-ochreous, with a broad dark fuscous basal line. Hindwings grey; cilia grey-whitish, with a darker basal line.

Rendered conspicuous by the contrast of the pale basal and dark posterior areas.

Six specimens taken by Mr. R. W. Fereday near Lake Guyon in March.

Parva, alis ant. M. ochreo-brunneis, fusco-sparsis, F. saturate ochreis, puncto disci nigro; post. M. nigrescentibus, F. albidis.