South American Micro-Lepidoptera. 199 
rounded, somewhat oblique, more so in 9; all veins separate; 
brown, darker in 3g, obscurely and suffusedly strigulated with rather 
dark fuscous; a small obscure dark fuscous spot beneath middle of 
disc; a suffused dark fuscous spot in disc at 3, followed by some 
ochreous-whitish suffusion: cilia brown, darker in g. Hindwings 
rather dark fuscous; cilia fuscous. 
ARGENTINA, Parana; three specimens. Allied to 
pygmaea, Wals. 
Acrolophus. sarista, n. sp. 
dg. 19-20 mm. Head, palpi, thorax, and abdomen fuscous; palpi 
very long, erect, appressed in middle and then diverging laterally, 
basal joint greatly thickened with dense scales, second and terminal 
joints shorter, subequal, densely scaled but much less thickened than 
basal, each expanded with loose rough scales towards apex; uncus 
slightly curved, appressed throughout, claspers narrow, rather 
expanded, apex rounded. Antennae rather strongly bipectinated. 
Posterior tarsi with rough projecting scales on basal joint above. 
Forewings moderate, somewhat dilated, costa gently arched, apex 
rounded, termen rounded, somewhat oblique; 8 and 9 stalked; 
fuscous, somewhat sprinkled with dark fuscous; costa marked with 
about ten small dark fuscous spots or dots, one at 4 larger; a sub- 
triangular dark fuscous submedian blotch in dise at $; a dark 
fuscous fascia from dorsum beyond middle directed towards a dark 
fuscous spot in disc at 3, but becoming more or less obsolete before 
reaching it: cilia fuscous. Hindwings and cilia fuscous. 
VENEZUELA, Ciudad Bolivar, in May; two specimens 
ARRHENOPHANIDAE 
ARRHENOPHANES, Wals. 
Arrhenophanes inca, n. sp. 
9. 54 mm. Head, thorax, and abdomen pale whitish-grey- 
ochreous, thoracic crest mixed with dark fuscous spatulate scales. 
Antennae stoutly bipectinated. Forewings elongate, moderately 
broad, posteriorly dilated, costa gently arched, apex rounded, termen 
somewhat rounded, rather oblique; 8 and 9 stalked; whitish-grey- 
ochreous; a semioval yellow-brown spot edged with blackish occupy- 
ing median third of cell, posterior third occupied by a hyaline spot of 
about equal area; median third of wing from cell to dorsum occupied 
by a large roundish suffused fuscous patch, in which is an oblique 
