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 hydropetricus Jeng & Yang, 1998 Figures 7-8 Grouvellinus hydropetricus Jeng & Yang, 1998: 533. TL: China, Taiwan. Distribution. China: Taiwan. Material examined. Paratype: 1 male: "Taiwan 8.IX. 93 / Taipei,Wulei / leg. M. L. Jeng" (white label); "PARATYPUS / Grouvellinus / hydropetricus n. sp. / des Jeng & Yang, 1993" (red label).