Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae) Author Perkins, Philip D. text Zootaxa 2020 2020-10-23 4868 1 61 89 journal article 8896 10.11646/zootaxa.4868.1.4 cfd5c06e-06f0-4f1f-ae4b-40b7b46f44a3 1175-5326 4417281 DC4B8EC5-CBDA-49D2-B370-381C96AF3A10 Hydrochus sagittarius Perkins Fig. 2 Hydrochus sagittarius Perkins, 2019c: 20 Originally described from Venezuela ; the record from Peru is given below. Habitus and male genitalia illustrations are given in Perkins (2019c) . Material examined (3): PERU : Cajamarca , Nanchoc Quebrada , elev. 400 m ( 6°57’S , 79°15’W ), 21.xii.1984 –17.i.1985 , leg. James M. Carpenter (3 MCZ ) .