Atha

Atha trimacula is a moth in the Oecophoridae family and only species in the Atha genus. It was described by Clarke in 1978. It is found in Chile.

The wingspan is about 16 mm. The forewings are light buff overlaid with greyish fuscous, largely obscuring the lighter ground color. There is a conspicuous, outwardly oblique, fuscous spot at the basal two-fifths, in the cell and there is a similar longitudinal blotch on the fold at the basal two-fifths. Across the end of the cell is an oblique fuscous spot. The hindwings are light greyish fuscous, paler basally.