Revision of the water scavenger beetle genus Notionotus Spangler, 1972 in the Neotropical Region (Coleoptera, Hydrophilidae, Enochrinae) Author Gonzalez-Rodriguez, Liza M. Department of Ecology & Evolutionary Biology, and Division of Entomology, Biodiversity Institute, University of Kansas, Lawrence, KS 66045, USA lizmgr287@gmail.com Author Short, Andrew Edward Z. Department of Ecology & Evolutionary Biology, and Division of Entomology, Biodiversity Institute, University of Kansas, Lawrence, KS 66045, USA text ZooKeys 2022 2022-07-01 1109 141 191 http://dx.doi.org/10.3897/zookeys.1109.80775 journal article http://dx.doi.org/10.3897/zookeys.1109.80775 1313-2970-1109-141 A418DA2C02DD4023A9F841FA0AEAAC83 2CB5DB1837165454A3C0E833ACD79CA7 Notionotus nucleus Perkins, 1979: 308. syn. nov. Type material examined. Holotype (male) : "GUATE., Alta Verapaz/5 mi. W. La Tinta/small tropical brook/6-VI-1974, ME&PD Perkins", "Type No/76325/U S N M", "HOLOTYPE/ Notionotus / Notionotus nucleus /P.D. Perkins" (USNM).