Helorus is a genus of parasitic wasps. It is the only living genus in the family Heloridae. There are about 12 described species in Helorus, found worldwide Members of the genus are parasitic on green lacewings. The oldest fossils are from Eocene aged Baltic amber.
Species Helorus alborzicus Izadizadeh et al., 2015 Helorus anomalipes (Panzer, 1798) Helorus australiensis New, 1975 Helorus brethesi Ogloblin, 1928 Helorus celebensis Achterberg, 2006 Helorus elgoni Risbec, 1950 Helorus nigripes Foerster, 1856 Helorus niuginiae Naumann, 1983 Helorus ruficornis Förster, 1856 Helorus striolatus Cameron, 1906 Helorus suwai Kusigemati, 1987 Helorus yezoensis Kusigemati, 1987 † Helorus arturi Muona, 2020 † Helorus festivus Statz, 1938
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