The cosmopolitan family Opostegidae was by some authors included in the Nepticulidae as a separate subfamily. There are just over 100 species described, but probably many more remain unnamed (Scoble 1992: 221).
Identification: Benander 1953, Brown 1953, Buszko 1981a, Gozmány 1965, Johansson et al. 1990, Pelham-Clinton 1976, Zagulyaev 1989d.
Nomenclature according to Fauna Europaea.
Species in Belgium: 3.