Diversity and distribution of polyphagan water beetles (Coleoptera) in the Lake St Lucia system, South Africa Author Bird, Matthew S. Author Bilton, David T. Author Perissinotto, Renzo text ZooKeys 2017 656 51 84 http://dx.doi.org/10.3897/zookeys.656.11622 journal article http://dx.doi.org/10.3897/zookeys.656.11622 1313-2970-656-51 2F3E9711FF55471286A59D0186E495C4 2F3E9711FF55471286A59D0186E495C4 Hydrochus sp. 1 Remarks. The Afrotropical species of this genus are in need of revision. Distribution. Range unknown. Afrotropical. St Lucia records. Recorded at Western Shores, Eastern Shores and False Bay in July 2014 and January/February 2015. Previously recorded in fresh water wetlands by Vrdoljak (2004) in 2002/2003. Figure 5. Hydrochus sp. 12.5 mm, iSimangaliso Wetland Park, Catalina Bay (site 32), February 2015DT Bilton, MS Bird & R Perissinotto leg.