Adults - larger than nepticulids, with enormous eye caps, completely obscuring the eyes from a frontal view. Wings relatively broad with apices often bent upward, white with sparse dark markings
(1)
Larvae - extremely slender, legless, flattened, with callosites on second and third sthoratic venter, adapted for sub cutaneous mining
(1). The head structure of Opostegidae, roughly triangular in shape, resembles no other moth larva
(2)