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 Cercyon dieganus Regimbart , 1903 Remarks. In wet decaying vegetable debris in the margins of lentic waterbodies. Distribution. Widespread in Afrotropical Region, including Madagascar. St Lucia records. Recorded at Western Shores, Eastern Shores and False Bay in January/February 2015. Figure 36. Cercyon dieganus Regimbart , 19032.6 mm, iSimangaliso Wetland Park, Eastern Shores (site 23), February 2015DT Bilton, MS Bird & R Perissinotto leg.