On new Genera and Species of Pyralide. 429 
LXIV.—Deseriptions of new Genera and Species of Pyralide 
contained in the British-Museum Collection. By W. 
Warren, M.A., F.ES. 
[Continued from p. 397. | 
TRISCHISTOGNATHA, gen. nov. 
Fore wings elongate; costa straight, slightly and gradually 
convex at apex, which is blunt ; hind margin oblique, hardly 
curved, with a very slight indentation above the anal angle. 
Hind wings rounded. Antenne laminated, a little thicker in 
male than in female ; tongue present; ocelli minute ; labial 
palpi with all three joints very distinct; first and second - 
securiform, the first twice as broad as the second, third shortly 
rostriform ; maxillary palpi like the third joint of the labial; 
abdomen of male with rather long anal tuft; hind tibiee with: 
two pairs of spurs, the inner very much longer than the 
outer; scaling fine and smooth. Wings semidiaphanous ; 
neuration normal. 
Type 2. palindialis (Spilodes), Guen. Delt. & Pyr. p. 380. 
THOLERIA, Hiib. 
Type T. dliberalis, Hib. Verz. p. 354. 
Tholeria stigmosalis, sp. n. 
Fore wings with base, inner and hind margins dull reddish ; 
central area whitish, with the costa, the two stigmata, and 
the veins round them black-brown ; the stigmata themselves 
filled up with reddish; the white interspaces finely dusted 
with dark atoms; a faint trace of a curved exterior line at 
the extremity of the white central space ; fringe dark brown. 
Hind wings pearly white, with an irregular, narrow, reddish- 
brown marginal suffusion, which here and there runs up a 
little way along the veins; fringe white, slightly tinged with 
reddish towards apex. Head, palpi, antenne, and thorax 
dull reddish ; abdomen darker brown, with segmental divisions 
white ; collar fawn-colour, paler than either head or thorax. 
Underside: fore wings pearly white, tinged with yellowish, 
with only the hind margin and stigmata reddish. Hind 
wings like the upperside, but with the costa reddish brown, 
