Taxonomy of water beetles in the genus Hydrochus Leach, 1817, from Bolivia, Brazil and Paraguay (Coleoptera: Hydrochidae) Author Perkins, Philip D. text Zootaxa 2021 2021-06-28 4994 1 1 93 journal article 10.11646/zootaxa.4994.1.1 1175-5326 5043261 107FCA64-345F-40A4-99D3-5C1441EEAD93 Hydrochus shorti Perkins Fig. 4 Hydrochus shorti Perkins 2019c: 25 Originally described from Venezuela . Habitus and male genitalia images of the holotype are given in Perkins (2019c) . The following new locality and deposition records are from Brazil and Paraguay . Material examined (33): Brazil : Amapa , Brazil , Amapá , Calcoene , Goiabal (c. 3.5 km W), ( 2.5892 -50.87703 ), 6m , 21.vii.2018 , Marsh in pasture, leg. leg. Short, BR 18-0721-03A (4 INPA , SEMC ) ; Mato Grosso , Rio Caraguata , elev. 400 m ( 21°48’S , 52°27’W ), 1–30.ix.1953 , leg. Fritz Plaumann (7 NMNH ) ; Brazil , Mato Grosso do Sul , Anastácio , Aquidauana (c. 5 km S) on MS-174 -20.53416 -55.76038 , 166m , 27.vi.2018 , Small shallow pond with dense vegetation, leg. Hamada and team, BR18-0627-02A (11 INPA , SEMC ) ; Para , Belem , 9–10.vii.1969 , leg. P. & P. Spangler (1 NMNH ) ; Rondonia , Presidente Medici , Ji-Paraná ( 27 km SW), Rio Urupa -11.03618 -62.14465 , 135m , 10.vii.2018 , Series of ponds and fairly large marsh area with abundant vegetation, leg. Short, BR 18-0710-01C (3 SEMC ) ; Brazil , Roraima , Boa Vista (N 02°50’51.2’’ W 60°50’25.0’’), Lagoon (pond), 03.vi.2015 , C.J. Benetti (4 INPA ) . Paraguay : Paraquari , Ybycui ( 20km S. E.), ruta- La Rosada-Ybycui , in roadside ponds, 13.iv.1980 , leg. P. J. Spangler et al . (2 NMNH ) ; Ybycui ( 25 km SE), in Ybycui National Park , 12–24.iv.1980 , leg. P. J. Spangler et al . (1 NMNH ) .