This family includes a single species, which occurs in the Betula forests of Europe to the Far East (Scoble 1992: 323).
Identification: Buszko & Sliwinski 1978, de Freina & Witt 1987, Forster & Wohlfahrt 1960, Hoffmeyer 1974, Koch 1964, Skinner 1984.
Nomenclature according to Fauna Europaea.
Species in Belgium: 1.