198 
NOCTl'IDl. 
Genus TRIGONOCHROSTIA, nov. 
Type, T. excisa. 
Proboscis fully developed ; palpi with the 2nd joint obliquely 
upturned to vertex of head, moderately scaled in front and 
fringed with hair behind except towards base, the 3rd short, 
oblique, thickly scaled ; frons smooth ; eyes large, round ; 
antennae of female with slight bristles and cilia ; thorax 
clothed almost entirely with scales and without crests ; tibiae 
smoothly scaled ; abdomen smoothly scaled and without 
crests. Fore wing with the apex rounded, the termen evenly 
curved and not crenulate ; vein 3 from well before angle of 
cell ; 5 from just above angle ; 6 from upper angle ; 7, 8 
stalked, 9 absent ; 10, 11 from cell. Hind wing with the 
termen strongly excised from below apex to vein 2 ; the 
cell half the length of wing ; veins 3, 4 coincident ; 5 fully 
developed from below middle of discocellulars ; 6, 7 shortly 
stalked ; 8 anastomosing with the cell near base only. 
Trigonoclirostia excisa, n. sp. 
$. Head and thorax grey-white mixed with dark brown ; 
abdomen pale red-brown ; antennae brown, ringed with white 
towards base ; palpi black-brown ; pectus, legs and ventral 
surface of abdomen whitish suffused with red-brown, the fore 
and mid tibiae and tarsi black-brown. Fore wing grey-white 
irrorated with reddish brown, the terminal area suffused with 
purplish brown ; small rather triangular black subbasal and 
antemedial marks on costa and some black scales on medial 
part of costa ; a black point at lower angle of cell ; post- 
medial line with black striga from costa, then indistinct, 
brown, strongly excurved from below costa to vein 4, then 
strongly incurved, some black scales beyond it on costa ; 
traces of a pale waved subterminal line with slight dark 
marks on its outer side, excurved at middle ; a terminal 
series of dark points ; cilia reddish brown tinged with grey. 
Hind wing purplish brown, paler towards base ; cilia with a 
fine pale line at base. Underside red-brown mixed with 
some whitish. 
Hub. Borneo, Pulo Laut (Doherty), 1 $ type. Exp. 
18 millim. 
Genus HYPERBANIANA, nov. 
Type, H . costinotata. 
Proboscis fully developed ; palpi with the 2nd joint 
obliquely upturned to vertex of head, moderately scaled in 
front and fringed with hair behind towards extremity, the 
3rd short, porrect, thickly scaled ; frons smooth ; eyes large, 
round ; antennae of male with fasciculate cilia ; thorax 
