Taxonomy of Ecuadorian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae) Author Perkins, Philip D. text Zootaxa 2020 2020-06-11 4790 2 358 374 journal article 21707 10.11646/zootaxa.4790.2.10 3f492afe-37c4-4bc9-b7d1-5f8d804cf5bb 1175-5326 3889408 7F4A9B99-C12E-473B-B258-7BE5697F4986 Hydrochus piroei Makhan Hydrochus piroei Makhan, 1992: 97 Originally described from Suriname , and recently reported from Venezuela ( Perkins, 2019c ), the following specimen records are from Ecuador . Images of the habitus and male genitalia of a specimen from Venezuela are given in Perkins (2019c) . Material examined (4): Ecuador : Napo , Limoncocha , ( 1°33’S , 75°35’W ), 3.vi.1977 , leg. W. E. Steiner (1 NMNH ) ; same locality, 11.vi.1977 , leg. P. J. Spangler & D. R. Givens (#115) (2 NMNH ) ; same locality, 12.vi.1977 , leg. W. E. Steiner (1 NMNH ) .