90 
MICROLEPIDOPTERA OF NEW GUINEA 
thorax with a leaden gloss, venter with broad silvery-white bands. Legs 
black, anterior and median femur and tibia with a silvery-white subapical 
lateral dot, tarsi ringed with silvefy -white ; posterior leg with pale spurs, 
tarsus faintly pale-ringed. Fore wing ovate-lanceolate, costa gently curved 
towards extremities, apex obtuse, tornus indefinite. Blackish, with faint 
purple gloss, markings shining silvery-white. Three costal dots: before 1 / 4 , 
before % and before 3 / 4 , first, subtriangular, second largest, subquadrate, 
third transverse, slightly inwards-oblique; a slender transverse-crescentic 
mark in disc before apex, narrowly black-edged anteriorly, open posteri- 
orly; a dull whitish small mark across extreme apex; three silvery-white 
dorsal dots: at x / 4 > beyond x / 2 and at 3 / 4 , first largest, triangular, other 
transverse. Hind wing dark fuscous-grey with faint purplish gloss, cilia 
fuscous-grey. 
Valva small, cardinate, shorter than tegumen, obliquely truncate, 
sacculus convex; a row of strong subappressed bristles along apical edge, 
right valva also with a subapical series of brush-like setae on the outer 
surface. Vinculum thick, almost cylindrical, acutely pointed. (Slide no. 
1059 D, type.) 
Sigi Camp, 1500 m, February 24, 1939. One specimen. Long maxillary 
palpi suggest a generic distinction, but this is uncertain, with the labial 
palpi missing. 
Acrocercops timia spec. nov. (figs. 799, 800) 
rifiioz = expensive 
o 8 mm. Head leaden, suffused with tawny laterally, face shining white. 
Antenna bronze, forth fifth snow-white. (Palpi missing.) Thorax glossy 
light fuscous, abdomen glossy light fuscous-grey. Legs fuscous-greyish- 
bronze, median and posterior tibia with a silvery median band, all tarsi 
pale-ringed, spurs snow-white. Fore wing narrowly lanceolate, acutely 
pointed. Shining brassy-golden, becoming golden-violet on anterior half, 
markings golden-white. A triangular dot on 3 / 4 of costa; a large erect- 
triangular spot on dorsum at 1 / 4 , with the acute top reaching above middle 
of disc; a slightly inwards-oblique triangular dot on dorsum at 2 / 3 of wing. 
Cilia dull pale fuscous-greyish. Hind wing pale grey, cilia dull pale fuscous- 
greyish. 
Ostium, an irregularly plicate body. Anapophyses fine, sinuate. Signum 
unpaired, weak: curved, transversely carinulate. (Slide no. 1058 D, type.) 
Araucaria Camp, 800 m, March 12, 1939. One specimen. 
Acrocercops argentigera spec. nov. (figs. 803, 804) 
$ 11.5 mm. Head and thorax snow-white, the latter broadly edged 
laterally with fight bronze-fuscous. Antenna snow-white above, fuscous 
below, scape snow-white. Palpus white, tip greyish. Abdomen whitish- 
