Freitag H, Jäch MA.

Revision of the species of Hydraena Kugelann (Coleoptera: Hydraenidae) from Palawan and Busuanga, with descriptions of eleven new species, and redescription of Hydraena (Hydraenopsis) scabra d’Orchymont, 1925

. Zootaxa [Internet]. 2007 Mar. 26 [cited 2025 Apr. 20];1431(1):1–44. Available from: https://mapress.com/zt/article/view/zootaxa.1431.1.1