Hyposmocoma argyresthiella

Hyposmocoma argyresthiella is a species of moth of the family Cosmopterigidae. It was first described by Lord Walsingham in 1907. It is endemic to the Hawaiian islands of Kauai, Oahu, Molokai and Hawaii. The type locality is Kaawaloa, Kona, where it was collected at an elevation above 2000 ft.

The larvae have been reared from silken tunnels in moss.