Pyralidee of the Subfamily Pyraustine. 375 
femora and tibie. Fore wing silvery white; small black-brown 
spots on costa at and near base, the latter followed by three or four 
minute spots on costa; an antemedial black point in the cell and 
discoidal striga, the latter with a slight black-brown annulus above 
it on costa ; a faint brownish ochreous line from origin of vein 2 to 
inner margin; a brownish ochreous shade beyond the cell; post- 
medial line ochreous brown with two black-brown striz at costa, 
straight and erect to vein 4, then obsolete to submedian fold and 
oblique to inner margin ; a black point at apex, elliptical brownish 
ochreous patch on termen from apex to below vein 4 and black striga 
before termen at vein 3; cilia tinged with ochreous brown except 
at base. Hind wing silvery white; a black discoidal bar; post- 
medial line with black spot at costa, then brownish ochreous, 
straight to vein 4 where it is bent inwards and obsolescent, then 
sinuous t0 inner margin; a blackish striga on vein 3 before termen ; 
a slight ochreous brown terminal line. 
Ab. 1. Fore wing with the basal and subbasal black spots on 
costa more developed but without the minute spots beyond the 
latter, a minute spot above inner margin near base, the discoidal 
’ mark an elliptical spot without the ochreous shade beyond it, the 
ochreous postmedial line diffused, the patch on termen not ex- 
tending below vein 6; hind wing with black discoidal spot. 
Ab. 2. Palpi with black band at extremity of 2nd joint; abdomen 
without the black spots; fore wing without the minute black spots 
beyond the subbasal spot on costa, the spot in cell and discoidal 
spot ochreous brown, no ochreous shade beyond the cell. 
Hab. Perv, Yahuarmayo, 2 ¢ type, San Domingo (Ockenden), 
36,1 9, La Oroya (Ockenden),1 9. Ewp. 22-26 mm. 
(17 6) Pyenarmon diffusalis, sp. n. 
3. Head and thorax white, the tegule dorsally and patagia at 
base with black-brown spots glossed with cupreous; abdomen 
white with diffused cupreous brown bands ; pectus, legs, and ventral 
surface of abdomen white, the fore legs tinged with cupreous 
brown, the tibie darker. Fore wing silvery white; black-brown 
spots below costa at base and before middle and a subbasal spot 
below the cell conjoined to a spot above inner margin; a black- 
brown spot in end of cell and spot below origin of vein 2; diffused 
dark cupreous brown postmedial patches below costa and beyond the 
cell, a patch beyond lower angle of cell between veins 5 and 2 and 
an elongate patch on inner area conjoined to the spot below vein 2; 
a black-brown spot below costa beyond the postmedial patches with 
an oblique dark cupreous brown patch from below it at vein 7 to 
medial part of termen with a band from it to tornus; cilia dark 
cupreous brown from vein 4 to tornus. Hind wing white tinged 
with cupreous brown except the cell and basal costal area. 
Hab. Br. C. Arnica, Mt. Mlange (Neave), 2 ¢ type. Exp. 
14-16 mm. 
