A key to Grouvellinus Champion, 1923 from mainland China with descriptions of two new species (Coleoptera, Elmidae) Author Bian, Dongju Author Sun, Haibin text ZooKeys 2016 623 89 104 http://dx.doi.org/10.3897/zookeys.623.9610 journal article http://dx.doi.org/10.3897/zookeys.623.9610 1313-2970-623-89 1E2C7E9156884560A69434A58213C2FA Taxon classification Animalia Coleoptera Elmidae Grouvellinus hercules Jaech , 1984 Figures 17-18 Grouvellinus hercules Jaech , 1984: 113. TL: Nepal. Distribution. China: Xizang; Nepal. Material examined. 1 male: "Nepal, 35 Km NW Pokhara / Ulleri 2000m / leg. Wewalka 5.5. 1984 (N4)". Figures 17-20. Habitus. 17-18 Grouvellinus hercules Jaech , 1984 19-20 Grouvellinus tibetanus Jaech , 1984, paratype 17, 19 dorsal view 18, 20 ventral view. Scale bar: 1 mm. Photograph by Dongju Bian.