Pyralidee of the Subfamily Hydrocampine. 271 
strong to vein 6, then faint and whitish, defined on inner side by 
rather diffused dark brown, incurved between veins 6 and 8; cilia 
with fine white line at base. Hind wing whitish suffused with 
glossy reddish brown ; a slight dark shade near base; a diffused 
dark antemedial line from discal fold to inner margin ; postmedial 
line indistinct, diffused whitish defined on inner side by diffused 
dark brown, excurved beyond lower angle of cell; cilia with fine 
whitish line at base, the tips whitish at submedian fold. 
fab. Assam, Khasis (Nissary),1 3 type. Exp. 20 mm. 
(23 6) Piletocera bistrigalis, sp. n. 
2. Head pale grey-brown; thorax and abdomen glossy dark 
grey-brown ; palpi red-brown, whitish on basal half; pectus and 
ventral surface of abdomen white; legs pale red-brown. Fore wing 
dark reddish brown; a strong white antemedial line, arising below 
the costa and oblique to vein 1; an excurved white bar at middle 
of cell and stronger discoidal bar; postmedial line whitish, forming 
a wedge-shaped white mark from costa, excurved between veins 5 
and 2, then ineurved; cilia whitish with a brown line near base in 
submedian interspace. Hind wing dark reddish brown; some 
whitish at base; an indistinct diffused whitish medial line from 
discal fold to inner margin; a faint whitish postmedial line, ex- 
curved below discal fold and ending at vein 2; cilia white at tips 
at submedian interspace. 
Hab. Durcu N. Guinea, Mimika R. (Wollaston), 1 2 type. 
Exp. 16 mm. 
(82 ¢) Piletocera aurantialis, sp. n. 
Head and base of tegule orange, the rest of thorax black; abdo- 
men orange with the three terminal segments black; antennz black 
from one fourth to middle; pectus blackish; legs and ventral 
surface of abdomen orange, the fore tibize with black band near 
extremity, the anal tuft black exceptat middle of base. Fore wing 
orange ; the costal area black, extending to inner margin at base, 
into the cell at middle, and as a triangular patch to lower angle of 
cell; the terminal area black, its outer edge excurved and slightly 
waved to vein 3; an antemedial black striga from the costal area 
to submedian fold ; postmedial line black, slightly sinuous from the 
costal area to vein 3, then retracted to near lower angle of cell, 
then oblique to submedian fold, where it terminates; a fine pale 
line at base of cilia. Hind wing orange, the terminal area black, 
its inner edge excurved and slightly waved to vein 2; a small black 
spot in end of cell and striga from submedian fold to vein 1; a 
slight oblique sinuous black postmedial line from vein 6 to the 
terminal area at submedian fold; a fine pale line at base of cilia. 
Hab. Motwuccas, Batchian (Doherty), 2 3, 2 Q type. Exp. 
20 mm. 
