Genus Olfersia Leach

Olfersia Leach, 1817b: 162 (nom. nov. for Feronia Leach). Type species, Feronia . spinifera Leach, 1817 (Speiser, 1899: 202). Feronia Leach, 1817a: 11 (preocc. Latreille, 1817). Type species, Feronia spinifera Leach, 1817 (aut.). Pseudolfersia Coquillett, 1899: 336 . Type species, Pseudolfersia maculata Coquillett, 1899 (mon.) = Olfersia fumipennis

(Sahlberg, 1886).