1. Arnett RH Jr, Thomas MC, Skelley PE, Frank JH (2002) American beetles volume 2, Polyphaga: Scarabaeoidea through Curculionoidea. CRC Press, Boca Raton
2. Bai BB, Worth RA, Johnson KJR, Brown GW (2006) Cereal leaf beetle biological control program in Oregon, 2006. Washington State University, Pullman
3. Bezděk J, Baselga A (2015) Revision of western Palaearctic species of the Oulema melanopus group, with description of two new species from Europe (Coleoptera: Chrysomelidae: Criocerinae). Acta Entomol Mus Natl Pragae 55:273–304
4. Bouček Z (1977) A faunistic review of the Yugoslavian Chalcidoidea (Parasitic Hymenoptera). Acta Entomol Jugoslavica 13(Supplement):1–145
5. Bousquet Y, Bouchard P, Davies AE, Sikes DS (2013) Checklist of beetles (Coleoptera) of Canada and Alaska, 2nd edn. Pensoft, Sofia