Thyrocopa abusa

Thyrocopa abusa is a moth of the Xyloryctidae family. It is endemic to the Hawaiian islands of Kauai, Oahu, Molokai, Lanai, Maui and Hawaii. It is the type species of the Thyrocopa genus.

Adults are on wing year-round. There is a high degree of variation in forewing pattern in this species.

The larvae feed on Acacia koa, Cyrtandra, Freycinetia, guava, Ipomoea, Lantana, Pipturus and Ricinus. The brownish larvae, protected by a silken web or tunnel, bore in the dead twigs of many plants. They also feed on the bark and may feed to some extent upon the living tissues. Larvae were also found in silken tunnels in and beneath dried cow dung.