South American Micro-Lepidoptera. 171 
Mnesipyrga trichostrota, n. sp. 
9. 18mm. Head and thorax rather dark fuscous, face and palpi 
light brownish, thoracic crest brown. Abdomen dark grey. Fore- 
wings elongate-triangular, costa hardly arched, apex obtuse, termen 
slightly rounded, somewhat oblique; dark ashy-purple-fuscous, 
strewn with whitish-yellowish hair-scales, more densely towards 
termen, towards dorsum suffusedly mixed with brown; obscure 
undefined patches of darker suffusion in middle of disc, and on 
costa at 2; a spot of whitish-ochreous suffusion on costa before 
apex: cilia fuscous mixed with whitish-ochreous, with a patch of 
whitish-ochreous suffusion on upper part of termen. Hindwings 
rather dark fuscous; cilia grey, outer half grey-whitish. 
Peru, Chanchamayo; one specimen. 
Atieria pavimentata, n. sp. 
dg. 39 mm. Head blue-black, with whitish lateral stripes. 
Palpi 3, blue-black, upper and lower edges whitish. Thorax blue- 
black, with an orange spot on each side. Abdomen blackish, 
segmental margins whitish. Forewings oblong, costa anteriorly 
strongly arched, posteriorly nearly straight, apex obtuse, termen 
shortly sinuate beneath apex, vertical, rounded beneath; deep 
reddish-orange ; an indigo-blue-black costal band, occupying about 
} of wing throughout, cut by about fourteen slender yellow-whitish 
bars, of which about four beyond middle are partially incomplete 
or irregularly connected, rest entire; seven rounded-oblong blue- 
black spots along termen, three uppermost tending to be connected 
anteriorly and preceded by three other spots, of which the middle 
one is smaller and preceded by a fourth, all these spots separated 
with yellow-whitish ; a series of about eleven small transverse blue- 
black spots along dorsum, a series of seven or eight small round 
blue-black spots beneath fold, two or three above fold beyond 
middle, one or two dots towards costal band before middle, and 
one before terminal band in middle: cilia blue-black barred with 
whitish. Hindwings deep reddish-orange; about ten moderate 
irregular black spots round apex and termen to tornus, three or 
four dots or small spots on or near costa posteriorly, one or two 
in dise posteriorly, and three or four towards tornus; cilia blackish, 
on upper part of termen with slight whitish bars. 
Prru, Huancabamba; one specimen. This is a true 
Atteria, not Pseudatteria, 
