26 species in 16 genera are known from Block Island. Unusually among Lepidoptera, this family of mostly small to tiny moths is comprised mainly of ground-dwelling detritivores and fungivores.
Regier, J.C., C. Mitter, D.R. Davis, T.L. Harrison, J.C. Sohn, M.P. Cummings, A. Zwick, and K.T. Mitter. 2014. A molecular phylogeny and revised classification for the oldest ditrysian moth lineages (Lepidoptera: Tineoidea), with implications for ancestral feeding habits of the mega-diverse Ditrysia. Syst. Entomol. 40: 409–432.