The genus Gromphas Dejean, 1836 (Coleoptera, Scarabaeinae): nomenclature, distribution, and conservation, including a contribution to the debate on electronic publications in zoology Author Cupello, Mario Laboratório de Sistemática e Bioecologia de Coleoptera, Departamento de Zoologia, Universidade Federal do Paraná, Caixa Postal 19020, 81531 - 980, Curitiba, Paraná (Brazil); and Department of Entomology, Texas A & M University, College Station, TX 77843 (United States) mcupello @ hotmail. com mcupello@hotmail.com text Zoosystema 2024 2024-02-09 46 2 23 59 https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/zoosystema2024v46a2.pdf journal article 10.5252/zoosystema2024v46a2 1638-9387 4B49C1D9-1196-4942-969F-2E923B1FC12C Gromphas amazonica Bates, 1870 Gromphas amazonica Bates, 1870: 175 [ 30th June 1870 ]. NAME-BEARING TYPE . — Lectotype (female), designated by Cupello & Vaz-de-Mello (2013: 462) , MNHN (ex Henry Walter Bates and René Oberthür collections). TYPE LOCALITY . — Brazil : Amazonas: Tefé. ETYMOLOGY. — A New Latin first-class adjective in the nominative case meaning ‘Amazonian’, ‘from the Amazon rainforest’ (Wiktionary 2019b). A toponym after the place famously explored by H. W. Bates between 1848 and 1859 ( Bates 1863 ; Papavero 1973), where he collected the type series and where the species is endemic. DISTRIBUTION . — Floodplains and sandbanks of the Amazon and some of its upper tributaries and headwaters, namely the Juruá, Huallaga, Ucayali , and Pisqui Rivers, across Peru , the southern tip of Colombia , and Brazil .