South American Micro-Lepidoptera. 189 
fuscous, towards tips mixed with ochreous-whitish. Hindwings 
grey, somewhat lighter anteriorly; cilia ochreous-whitish, with grey 
subbasal line. 
Peru, Chanchamayo; three specimens. 
Stenoma tetrabola, n. sp. 
3g. 33 mm. Head and thorax pale whitish-ochreous tinged with 
grey. Palpi whitish, lower # of second joint dark ochreous-grey, 
apex of terminal joint grey. Antennal ciliations 1}. Abdomen 
pale greyish. Forewings elongate, posteriorly dilated, costa gently 
arched, apex obtuse-angled, termen slightly rounded, hardly oblique ; 
pale greyish-ochreous; costal edge blackish towards base; a small 
black spot near base in middle; stigmata forming round black spots, 
plical and second discal largest, plical very obliquely beyond first 
discal; a rather irregular strongly curved series of indistinct sub- 
erescentic dots of blackish irroration from % of costa to dorsum before 
tornus, approaching termen in middle; a terminal row of black dots : 
cilia whitish-ochreous. Hindwings grey; cilia whitish-grey, with 
dark grey subbasal line. 
Peru, Huancabamba; one specimen. 
Stenoma patens, n. sp. 
3. 34-43 mm. Head whitish, crown more or less slightly tinged 
with pale fuscous. Palpi white, lower + of second joint dark fuscous. 
Antennal ciliations 2. Thorax whitish-fuscous. Abdomen greyish, 
anal tuft whitish-ochreous. Forewings elongate, posteriorly some- 
what dilated, costa slightly arched, apex nearly rectangular, termen 
faintly sinuate, vertical; glossy light greyish-ochreous; costal edge 
whitish ; stigmata small, dark fuscous, plical very obliquely beyond 
first discal; very faint traces of a curved darker transverse series 
of cloudy dots at 3; a curved series of subcrescentic dark fuscous 
dots from # of costa to dorsum before tornus, sinuate inwards to- 
wards costa; a terminal row of blackish dots: cilia whitish, basal 
third light greyish-ochreous. Hindwings light fuscous, on apical 
third obscurely suffused with whitish-ochreous; cilia whitish- 
ochreous, with grey subbasal line. 
Peru, Huancabamba, Chanchamayo; four specimens. 
Allied to immunda. 
Stenoma trichoneura, n. sp. 
$2. 18-21 mm. Head and thorax light greyish-ochreous, face 
sometimes ochreous-whitish. Palpi whitish, second joint rosy-grey 
