Reference

Zdenek Boucek (1972): On European Ptermomalidae (Hymenoptera): a revision of Cleonymus, Eunotus and Spaniopus, with descriptions of a new genera and species. – Bulletin of the British Museum (Natural History). Bot.1951- :Ent.1950- :Ent.Spl.1965- :Geol.1949- :Geol.Spl. 1965- :Hist.Ser.1953- :Min.1950- :Zool.1950- :Zool.Spl.1965- – 27(5): 265 - 315.