Figures 1-4 from: Hendrich L, Balke M (2013) Revision of Australian Matini diving beetles based on morphological and molecular data (Coleoptera, Dytiscidae, Matinae), with description of a new species. ZooKeys 293: 41-64. https://doi.org/10.3897/zookeys.293.4472

Figures 1-4 - Habitus of 1 Batrachomatus daemeli (black form) 2 Batrachomatus daemeli (reddish shoulders) 3 Batrachomatus daemeli (small form) 4 Batrachomatus larsoni sp. n. (paratype) (scale bar = 4 mm).