Introduction of the Exocelina casuarina-group, with a key to its representatives and descriptions of 19 new species from New Guinea (Coleoptera, Dytiscidae, Copelatinae)


	Habitus and coloration 5 Exocelina messeri (Balke, 1999) 6 E. keki sp. n. 7 E. pseudofume sp. n. 8 E. sima sp. n.

Part of: Shaverdo H, Sagata K, Balke M (2018) Introduction of the Exocelina casuarina-group, with a key to its representatives and descriptions of 19 new species from New Guinea (Coleoptera, Dytiscidae, Copelatinae). ZooKeys 803: 7-70. https://doi.org/10.3897/zookeys.803.28903