Phanaeus triangularis, the black phanaeus, is a North American species of true dung beetle in the family Scarabaeidae.[2][3][4] It is found in the eastern half of the United States.[5]
Subspecies
Three subspecies of Phanaeus triangularis are sometimes recognized,[2][3] but niger is often considered a synonym of triangularis and texensis (from Texas and adjacent regions) is often considered a separate species.[5]
^ abZídek, J.; Edmonds, W.D. (2012). "Taxonomy of Phanaeus revisited: Revised keys to and comments on species of the New World dung beetle genus Phanaeus MacLeay, 1819 (Coleoptera: Scarabaeidae: Scarabaeinae: Phanaeini)". Insecta Mundi. 2012 (274): 1–108. doi:10.5281/zenodo.5182095.
Further reading
Lobl, I.; Smetana, A., eds. (2006). Catalogue of Palaearctic Coleoptera, Volume 3: Scarabaeoidea - Scirtoidea - Dascilloidea - Buprestoidea - Byrrhoidea. Apollo Books. ISBN978-90-04-30914-2.