Thyrocopa minor is a moth of the family Xyloryctidae. It was first described by Lord Walsingham in 1907. It is endemic to the Hawaiian island of Molokai and possibly extinct.
The length of the forewings is about 9 mm. Adults are on the wing at least in June.
. Elwood Zimmerman . 1978 . Insects of Hawaii . 9 Microlepidoptera . The University Press of Hawaii, Honolulu. 10125/7338 .