RICCHIARDI, Enrico; LI, Sha. Revision of Chinese mainland Hybovalgus Kolbe, 1904, with description of a new species, and Excisivalgus Endrödi, 1952 reduced to synonymy with Hybovalgus (Coleoptera: Scarabaeidae). European Journal of Taxonomy, [S. l.], n. 340, 2017. DOI: 10.5852/ejt.2017.340. Disponível em: https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/465. Acesso em: 25 apr. 2026.