MICROLEPIDOPTERA OP NEW GUINEA 
91 
fuscous. Legs fuscous-white, anterior femur, tibia and basal segment of 
tarsus bronze-fuscous above, median tibia bronze-fuscous, basal half 
whitish, a white postmedian ring, all tarsi bronze-fuscous above, anterior 
and median broadly, posterior narrowly ringed with white. Fore wing 
narrowly lanceolate, broadest in middle, costa hardly curved, apex 
pointed, termen indefinite. Rather light brassy-fuscous, hardly glossy; 
costa narrowly suffused witli pale whitish-fuscous-grey from base to 
before apex, a well-defined snow-white dorsal streak from beyond base to 
before apex, occupying 1 / 4 of wing breadth, before apex almost interrupted 
by a small pale projection of ground colour, both extremities of this streak 
pointed; a white strigula around apex separated by ground colour from 
top of preceding; a suffused small blackish dot below costa well before 
apex, sharply centred with an elongate white dot. Cilia pale fuscous with 
a white bar just below apex, along costa before apex white with a broad 
basal and two minute, more convex submedian blackish st.rigulae. Hind 
wing whitish-grey, glossy. Cilia pale bronze. 
Ostium, a semiovate body furrowed medianly, thickened laterally. 
Anapophyses moderately long, straight. Ductus bursae clothed with minute 
subsexagonal plates to before bursa. Bursa copulatrix large, ovoid. Signa 
very large, horn-like, with dilated, obliquely truncate bases, finely denti- 
culate along edges. (Slide no. 1056 D, type.) 
Lake Habbema, 3250-3300 m, July 2, 1938. One specimen. Belongs to 
the large A. syngramma group. 
Acrocercops plumbilinea spec. nov. (fig. 797) 
g 17 mm. Head, thorax light bronze-fuscous, face bronze-whitish. 
Antenna pale fuscous with a bronze gloss, becoming fuscous-whitish along 
its apical third. Palpus light bronze-fuscous, upper edge of median segment 
narrowly suffused with dark fuscous except towards apex, terminal 
segment dark fuscous, anterior edge narrowly fuscous-whitish-golden. 
Abdomen fuscous; pectus and venter whitish. Legs pale ochreous, above 
leaden-grey slightly suffused with dark fuscous, median tibia with a 
suffused black submedian band, posterior tibia grey, white below, dorsal 
bristles fuscous (posterior tarsi missing). Fore wing narrowly lanceolate. 
Grey -fuscous; costal fourth with a whitish-yellow streak from base, 
slightly infuscated along median half, extended posteriorly, so as to 
occupy apical fourth of wing and becoming orange-yellow except along 
costa, an ill-defined narrow leaden-metallic subcostal streak from beyond 
3 / 4 to before apex; a moderate straight leaden-metallic streak above middle 
of wing from base to beyond 3 / 4 , a pale yellow suffused spot on termen 
below apex of this streak, merging into apical orange-yellow area, an 
elongate suffused pale yellow patch on dorsum well beyond '/a> hardly 
reaching above fold anteriorly, slightly narrowed posteriorly. Cilia pale 
fuscous, along costa yellowish-white. Hind wing pale fuscous-bronze, a 
