MICROLEPIDOPTERA OP NEW GUINEA 
111 
apical and terminal fourths pale ochreous-whitish. Cilia whitish, around 
fuscous part of wing with dark fuscous basal half. 
Iebele Camp, 2250 m, November 7, 1938. One specimen. Possibly allied 
with A. arctosceles Meyrick. 
Argyroploce rivulosa spec. nov. (fig. 331) 
cJ 21 nun. Head black. Antenna greyish-fuscous, suffused with black 
above. Palpus dark greyish-fuscous, basal segment paler, median and 
terminal segments slightly suffused with whitish posteriorly, black-edged 
and tipped. Thorax blackish-fuscous, slightly mixed with whitish in 
middle, pleurae light pearl-grey. Abdomen dove-grey, anterior half with 
sides and venter glossy white, anal tuft long, fuscous-grey. Legs : anterior 
and median legs whitish below, above dark bronze-fuscous and pale- 
ringed; posterior leg clothed with long dense hairs above and beneath, 
compressed laterally, light pearl-grey, tarsus bronze-fuscous. Fore wing 
subtriangular, costa considerably curved, more so towards apex, apex 
rounded-rectangular, termen straight above, rounded beneath, almost 
vertical. Blackish-fuscous, costa almost black, markings glossy bluish- 
leaden. Basal patch formed by two-three transverse bands of irregular 
bluish-leaden dots and marks, projecting above middle posteriorly; a 
broad transverse si ightly outwardly curved band from 1 / 3 of costa to dorsum 
before middle, beginning with two double converging streaks on costa, 
in disc formed by irregular scattered, partially interconnected spots and 
marks; anterior edge of this band with a subquadrate projection below 
fold, a pair of isolated irregular spots above fold posteriorly; a moderate 
curved almost continuous, slightly serrate transverse fascia beginning 
with a pair of narrow lines on costa before 2 / 3 , to tornus; this fascia slightly 
dilated below, interrupted by dark fuscous veins above middle of disc, in 
middle of disc preceded by three small longitudinal marks ; median mark 
on upper angle of cell, terminating anteriorly in a small transverse whitish 
mark along closing vein; lower mark almost confluent with markings 
above fold mentioned above; four narrow transverse streaks along costa 
between transverse fascia and apex, becoming less oblique and longer 
posteriorly; first streak continued by a sinuate interrupted line, almost 
horizontal above, curved posteriorly, to 1 / 3 of termen ; second and third 
streaks running into first; fourth streak before apex, bifid above, sinuate 
below, to termen below apex; bluish-leaden markings, except basal ones, 
each with a pair of small white lines on costal edge, which become more 
distinct posteriorly. Cilia dark grey, around apex and along upper half of 
termen with a black subbasal streak. Hind wing dark fuscous, cells la 
and lb white. Cilia greyish-fuscous, basal third darker, along dorsum 
elongate, pale greyish-ochreous, a long pencil of pale ochreous hairs on 
base of dorsum; anal veins with long grey hairs above. 
Tegumen rather short, scaled. Uncus weak, bipartite: two bristled 
