See text Terthroptera is a genus of ermine moths (family Yponomeutidae).

They belong to the large subfamily Yponomeutinae.

This genus includes a mere two known species from southern Polynesia.

They are small moths with wingspans less than 2 cm (1 inch), and are characterized by their 8-veined hindwings, with veins 3 and 4 separate and veins 5 and 6 unstalked.

This article on a moth of the family Yponomeutidae is a stub.