Genera and Species of Pyralide 473 
obsolete along the vein, and from beneath discocellular runs 
straight, inclined slightly inwards, to mner margin; discal 
mark lunular, brownish; a slight orange cloud obliquely 
below it; a very fine dark marginal line; fringes silvery 
white, with a broad black basal line. Hind wings the same, 
without inner line and lunular cell-spot. Head, thorax, and 
abdomen concolorous with wings. Underside duller yellow, 
but glossy, with only the outer line brownish. 
Expanse of wings 24 millim. 
One female, Japan. 
MimocoMMA, gen. noy. 
Fore wings elongate ; costa straight; apex blunt; hind 
margin obliquely curved; inner margin slightly convex and 
hairy. Hind wings narrow, with rounded hind margin. 
Abdomen of male long, vertex hairy ; antenne four fifths of 
wing, filiform; the basal joint swollen, notched inside in 
front, the shaft above the notch again swollen and produced 
angularly; labial palpi porrect, rostriform; maxillary ? ; 
tongue present; ocelli distinct; in the single hind leg re- 
maining the tibia has only one middle spur, and that long 
and slender. Neuration: fore wings, first median at three 
fourths ; second, third, and lower radial approximating from 
near end of cell; upper radial from below upper angie; last 
subcostal from upper angle as well as the common stem of 
the second, third, and fourth; first subcostal free. Hind 
wings : first subcostal anastomosing with costal halfway. 
Type Mimocomma fulvimargo, sp. n. 
Mimocomma fulvimargo, sp. n. 
Fore wings smoky brown, the costa and hind margin dull 
fulvous and the apex pale fulvous ; lines blackish, indistinct, 
first at one third, oblique outwards, second at two thirds, 
sinuous outwards to first median, then incurved and reaching 
inner margin at two thirds; cell-spot dark, obscure; fringe 
fulvous towards apex, smoky towards anal angle. Hind 
wings and the fringe wholly smoky brown; costa broadly 
whitish. Thorax and abdomen smoky brown ; apex of abdo- 
men ochreous ; collar, head, face, and palpi yellowish fulvous, 
Underside glossy, pale cinereous. 
Expanse of wings 26 millim. 
One male from the Khasias. 
DISCOTHYRIS, gen. nov. 
Fore wings with costa straight till shortly before apex, 
