MICKOLEPIDOPTERA OF NEW GUINEA 
71 
Moss Forest Camp, 2800 m, October 10, 1939 (allotype); Top Camp, 
2100 m, January 19, 1939 (holotype). Two specimens. Closely allied to the 
preceding species. 
Chionothremma mutans spec. nov. (figs. 60, 79) 
J, $ 23 mm. Head and palpus pale yellow, the latter with terminal 
segment and top of median segment suffused with brownish-black. 
Antenna blackish ringed with whitish. Thorax pale yellow anteriorly, 
whitish, tinged with pale oehreous posteriorly. Abdomen ochreous-whitish, 
in female suffused with oehreous laterally, with hind edges of segments 
paler; basal segments suffused with blackish in male, anal segment light 
oehreous above, brownish-ochreous beneath, corethrogyne large, dark 
grey. Legs yellowish -whitish in male, ochreous-whitish in female. Fore 
wing moderately broad in male, not dilated, costal fold broad, to 2 / 5 , costa 
oblique, little curved along fold, straight posteriorly, apex obtuse, termen 
slightly convex, little oblique; fore wing in female narrower, broadest 
before middle, costa abruptly shortly curved at base, little curved 
posteriorly, apex rounded, termen convex, vertical. Pale yellowish-white, 
in male brighter, tinged citric-yellow posteriorly, a minute citric-yellow 
marginal streak from end of costal fold to tornus, veins suffused with 
yellow posteriorly; in female yellow colouring very pale and indistinct. 
Cilia yellowish-white in male, white in female; with a faint antemedian 
line. Hind wing pale yellowish -white, paler than fore wing, faintly tinged 
oehreous in female. Cilia as in fore wing. 
Tegumen clavate, broad, base moderate. Uncus moderate, top very 
broad, rounded, scarcely emarginate in middle. Socius a rather long series 
of bristles. Gnathos strong, with broad arms and a slender hook. Transtilla 
knob rather elongate, dentations large, median projection moderate, 
curved. Peniculus moderate, clavate. Vinculum rounded. Valva semi- 
circular. Aedoeagus with oblique orifice and a moderate, strong point 
(Slide No. 312 D holotype). 
Limen membraneous, broad, convex, lateral emarginations small 
shallow, rounded, lateral projections almost absent, lateral rods slightly 
dilated. Colliculum moderate, slightly narrowed below, split narrowed in 
middle. Cestum narrow, tortuous, terminal fold broad, short. Signum 
moderate (Slide No. 328 D, allotype). 
Moss Forest Camp, 2800 m, October 10 — November 5, 1938 (holotype). 
Lake Habbema, 3250 — 3300 m, August 27, 1938 (allotype). Two specimens. 
Allied to preceding. 
Chionothremma pallescens spec. nov. (fig. 75) 
$ 24 mm. Head and thorax white, tegula faintly suffused with yellowish. 
Palpus rather short, terminal segment short ; pale yellowish-white, terminal 
segment tinged greyish. Abdomen w r hitish, tinged pink, corethrogyne 
bright yellowish-ochreous, large. Legs whitish-ochreous. Fore wing 
