Pyralidina from the Malay Archipelago. 471 
Hindwings white ; first line white, indistinct, edged with a cloudy 
dark fuscous suffusion ; posterior half mostly occupied by three 
ochreous-yellow blotches, apical, central, and anal. 
S.E. Borneo ; one specimen. 
O. leucochrysa, sp. n. 
?. 12 mm. Forewings elongate-triangular, apex rectangular, 
hindmargin bowed, little oblique ; white; markings ochreous- 
yellow ; margins of first line formed by two interrupted streaks ; 
two parallel streaks from middle of disc to 3, thence angulated to 
costa before apex; a submarginal streak, finely edged with 
blackish anteriorly. Hindwings white ; three ochreous-yellow 
rather irregular transverse fasciz, second dilated in disc ; sub- 
marginal streak as in forewings. 
S.E. Borneo; one specimen. A third species of the 
same genus is in the collection from the same locality, 
but not in condition to describe. 
Oligostigma ceratucha, sp. n. 
36 @. 19—24mm. Antenne in ¢ with eight lowest joints of 
stalk clothed with long suberect scales above. Forewings very 
elongate-triangular, hindmargin very oblique, rounded, in ¢ with 
costal edge very narrowly folded over beneath on basal 2, and 
roughly hairy towards base ; 10 and 11 out of 9; shining white ; 
a fuscous costal streak from base to middle; a broad ochreous- 
yellow dorsal streak from base to anal angle, enclosing a narrow 
fuscous dorsal streak towards middle, tending to be connected by 
an indistinct fuscous suffusion with costa ; a fuscous triangular 
blotch on costa beyond middle, subcostal vein in this finely white ; 
a yellow-ochreous streak, suffused with fuscous posteriorly, from 
costa at + to apex of costal blotch ; an ochreous-yellow finely 
black-edged hindmarginal streak, enclosing a hindmarginal series of 
fine white lunulate marks. Hindwings abruptly sinuate below 
apex, in ¢ with strong rounded anal prominence, and deep sub- 
dorsal furrow beneath ; ochreous-yellow ; a white fuscous-edged 
fascia before middle ; a white fascia beyond middle, not reaching 
margins, edged anteriorly with fuscous and posteriorly with black ; 
an interrupted black hindmarginal line, forming two small spots 
below subapical sinuation, upper preceded by a silvery-white black- 
edged dot. 
Pulo Laut ; two specimens. 
