Tridrepana sigma

Description

Tridrepana sigma is a moth in the family Drepanidae. It was described by Allan Watson in 1957. It is found in Indonesia (Buru and Ambon Island). The wingspan is about 36-40.4 mm. Adults are similar to Tridrepana lunulata fasciata, but can be distinguished by the larger dark patch posterior to the posterodistal cell spot in the male forewings.