MICROLEPIDOPTERA OF NEW GUINEA 
101 
basal line. Hind wing light bronze-fuscous, cilia fuscous, a dark fuscous 
antemedian shade. 
Gnathos almost membraneous. Socius absent. Valva narrow, not 
dilated; cucullus sparsely covered with strong bristles, with a patch of 
dense fine bristles in 1 / 3 of disc ; a small patch of long bristles before base 
of sacculus. Aedoeagus long (Slide No. 812 I ), holotype). 
Moss Forest Camp, five km northeast of Lake Habbema, 2800 m, 
October 30, 1938 (holotype, male). One specimen. A distinct species. 
$ 17 mm. Legs somewhat paler, greyish-fuscous. Fore wing broader, 
more dilated, costa considerably curved, more so posteriorly, apex sub- 
acute, termen gently sinuate, hardly oblique. 
Limen, a moderate rounded plate with two curved points above, 
separated by a deep incision, and with a rounded projection below; two 
submedian thickened longitudinal ridges; outside these ridges the plate 
finely scobinate. Ostium small. Ductus bursae long. Cestum represented 
by a small piece and by an elongate plate above middle. Bursa copulatrix 
spheroid. Signa, two groups of some three hyaline teeth (Slide No. 813 D, 
allotype). 
Sigi Camp, 1500 m, February 24, 1939 (allotype, female). One specimen. 
Strongly damaged, but obviously being the sex-partner of the described 
male. 
Metaschistis gypsopa spec. nov. (figs. 311, 312) 
yvyjog =, gypsum a>y) = eye 
9 22 mm. Head dark greyish -fuscous, tips of scales whitish. Antenna 
dark fuscous, fulvous towards base. Palpus dark fuscous-grey, median 
segment slightly sprinkled with white above, terminal segment with white 
base and tip. Thorax fuscous-grey mixed with pale fuscous. Abdomen 
light ochreous-greyish. Legs light greyish-ochreous. Anterior and median 
tibia and tarsus dark fuscous-grey, pale-ringed. Fore wing elongate, 
triangular-ovate, costa curved, more so posteriorly, apex rather rounded, 
termen straight, little oblique, dorsum rounded and slightly prominent 
towards base. Dark fuscous, irregularly spotted with yellowish-whitish, 
densely irrorated and transversely banded throughout with glossy pale 
blue. Costa with a row of small double or single transverse marks, pale blue 
anteriorly, becoming white posteriorly, ending well before apex; an 
irregular spot of pale yellowish suffusion below 2 / 5 of costa, indistinctly 
continued by a transverse streak to middle of cell and thence continued 
posteriorly along parting vein ; a larger whitish-yellowish elongate spot 
below 3 / 4 of costa and a smaller elongate spot halfway between cell and 
termen at 2 /’ 3 of wing breadth; a conspicuous pale yellowish -white trans- 
versely ovate dot on closing vein, edged and contrasted below posteriorly 
by a larger elongate blackish spot; some ill-defined blackish-fuscous 
interrupted irregular transverse striae across middle of wing; an elongate 
blackish mark along fold beyond middle, dilated and edged with pale 
