About 20 species are grouped into this heterogenous family. The genus Lemonia includes 12 species and is present in the Palaearctic region only (Scoble 1992: 397).
Identification: Buszko & Sliwinski 1978, de Freina & Witt 1987, Forster & Wohlfahrt 1960, Hoffmeyer 1974, Koch 1964.
Nomenclature according to Fauna Europaea.
Species in Belgium: 1.