What is "eraina"

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

The wingspan is 17-21 mm. The forewings are pale cream, with the extreme edge of the basal fifth of the costa fuscous and fuscous discal spots as follows: one in the cell at the basal third, one slightly beyond in the fold, and a transverse pair at the end of the cell. The surface with or without ill-defined clay color patches and sparse fuscous irrorations. Around the termen, a series of 4 or 5 fuscous spots is found, which are sometimes confluent. The hindwings are ocherous white with the surface, especially toward the margins sprinkled with greyish-fuscous scales and the outer edge narrow greyish fuscous.