Two species of Anacaena Thomson, 1859, A. angatbuhay sp. nov. and A. auxilium sp. nov., are described from Northern Luzon, Philippines. The new species can be distinguished through colour, body shape, surface puncturation and characteristic aedeagi. Descriptions are provided and complemented with habitus photographs and drawings of the aedeagi. Data on genus distribution in the Philippines are reviewed and an updated Philippine checklist is provided.
Sanchez, E.G.S., & Delocado, E.D. (2022). Two new species of Anacaena Thomson, 1859 (Coleoptera, Hydrophilidae) from Northern Luzon, Philippines. ZooKeys, 1112, 11-25. https://doi.org/10.3897/zookeys.1112.85752