BioStor
 | First supplement to "Type Species of the Genera of Ichneumon-flies" Henry L Viereck (1921) Proceedings of The United States National Museum 59(2364): 129-150 |
 | Nest Defense By The Social Wasps, Polistes exclamans And Polistes instabilis (Hymenoptera, Vespidae) Against The Parasitoid, Elasmus polistis (Hymenoptera, Chalcidoidea, Eulophidae) G G Lutz, J E Strassmann and C R Hughes (1984) Entomological News 95: 47-50 |