PROKOFIEV, Artem M. Two new species of Engertia Dalla Torre, 1913 and Philacelota Heller, 1900 from Indonesia and the Philippines with a revised identification key (Coleoptera: Scarabaeidae: Melolonthinae). European Journal of Taxonomy, [S. l.], n. 561, 2019. DOI: 10.5852/ejt.2019.561. Disponível em: https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/771. Acesso em: 25 apr. 2026.