Review of the Berosus Leach of Venezuela (Coleoptera, Hydrophilidae, Berosini) with description of fourteen new species Author Oliva, Adriana Author Short, Andrew E. Z. text ZooKeys 2012 206 1 69 http://dx.doi.org/10.3897/zookeys.206.2587 journal article http://dx.doi.org/10.3897/zookeys.206.2587 1313-2970-206-1 Berosus marquardti Knisch, 1921 Berosus marquardti Knisch, 1921: 12. Berosus marquardti Knisch: Oliva (1989 : 88). Material examined. VENEZUELA: Apure State: Achaguas, Saman de Apure, 25-26.vii.1997, leg. M. Garcia (1 ex., MIZA). Distribution. Brazil,Venezuela (Apure) .