ENGEL, Michael S.; PACKER, Laurence. A new species of Chiasmognathus from Kazakhstan (Hymenoptera: Apidae). Journal of Melittology, [S. l.], n. 10, p. 1–7, 2013. DOI: 10.17161/jom.v0i10.4513. Disponível em: https://journals.ku.edu/melittology/article/view/4513. Acesso em: 14 mar. 2025.