Three additional new genera of acidocerine water scavenger beetles from the Guiana and Brazilian Shield regions of South America (Coleoptera, Hydrophilidae, Acidocerinae)


	Habitus of Primocerus spp.: A–D Primocerus cuspidis: A dorsal view B lateral view C ventral view D head, dorsal view. E–H Primocerus neutrum: E dorsal view F lateral view G ventral view H head, dorsal view. Scale bars: 1 mm.

Part of: Girón JC, Short AEZ (2019) Three additional new genera of acidocerine water scavenger beetles from the Guiana and Brazilian Shield regions of South America (Coleoptera, Hydrophilidae, Acidocerinae). ZooKeys 855: 109-154. https://doi.org/10.3897/zookeys.855.33013