MICROLEPIDOPTERA OF NEW GUINEA 
65 
scaled above; greyish-fuscous, median segment whitish above, blackish- 
fuscous beneath. Thorax light fuscous anteriorly, snow-white posteriorly 
(damaged). Abdomen light brownish, snow-white towards base. Legs pale 
fuscous, anterior tibia and tarsus blackish-fuscous, white-ringed. Fore 
wing elongate-triangular, costa moderately curved anteriorly, almost 
straight posteriorly, apex rather pointed, termen sinuate, oblique. White, 
glossy, touched with very pale yellowish, densely irrorated and marked 
with blackish-fuscous and brown. Basal fourth of costa with four approxi- 
mated blackish-fuscous dots, and with a small point at extreme base; a 
moderate irrorated spot below two anterior costal dots, reaching below 
middle of base, and a denser and darker triangular spot below two posterior 
dots, connecting those with upper anterior angle of a conspicuous blackish- 
fuscous slightly inwardly oblique diamond-shaped patch in disc before x / 4 ; 
base of this patch on vein lb, upper posterior angle continued to end of 
cell by a horizontal streak of coarse irroration, light brown above, dark 
fuscous beneath; coarse blackish-fuscous irroration below vein lb suffused 
with pale grey, and a row of moderate dots along dorsum separated by 
bright ground colour; a transverse broad band ol similar irroration 
suffused with greyish, from three blackish dots on costa just before middle, 
to posterior half of dorsum, triangularly narrowed towards upper edge of 
cell, suffused with darker grey below costa, gradually dilated, less defined 
thence; a more conspicuous blackish-fuscous dot on ~j a of fold; two large 
blackish dots on 3 / 4 of costa, connected by a subtriangular coarse dark 
fuscous irroration with the above mentioned transverse band in cell 
posteriorly, anterior edge rather well-defined, almost vertical; a horizontal 
pair of two blackish spots beyond upper angle of cell, first spot preceded 
by a minute tuft of raised white scales; an oblique broad preterminal 
streak of blackish-fuscous irroration from above tornus to apex, gradually 
narrowed above; terminal edge strongly irrorated with vertical strigulae 
of the same colour; apex narrowly edged with blackish-fuscous. Cilia 
white, with an antemedian series of short transverse blackish streaks, cilia 
in tornus dark fuscous. Hind wing whitish, tinged and marbled with pale 
greyish; cilia whitish. 
Limen, a semimembraneous, broad, slightly curved plate, with some- 
what folded sides. A transverse elongate plate above ostium, short-haired 
and narrow towards sides. Eighth segment slightly elongate, sclerotized. 
Ductus bursae moderately long, with a strong narrow cestum, extending 
along lower 2 / 3 of ductus, not reaching bursa, with excavate upper 
extremity. Ovipositor lobe elongate, reniform, upper half with a short, 
rounded dorsal plate. (Slide No. j LO D, allotype). 
Valley east of Mount Wilhelmina, 3600 m, September 5, 1938 (holotype, 
male). Scree Valley Camp, 3800 m, August 15—22, 1938 (allotype, female). 
Lake Habbema, 3250—3300 m, end July— end August, 1938. Three males, 
five females. Nearest to S. tricolor Diakonoff, 1944, from the Wissel 
Lakes, West Central New Guinea. 
