:Hyposmocoma petroptilota

{{Short description|Species of moth}}

{{Speciesbox

| image =

| genus = Hyposmocoma

| species = petroptilota

| authority = (Walsingham, 1907)

| synonyms = *Semnoprepia petroptilota Walsingham, 1907

}}

Hyposmocoma petroptilota 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, Maui and Hawaii. The type locality is Kīlauea.

The larvae feed on dead wood of Metrosideros and Pelea species.