New or little-known Neotropical Dolichopodidae (Diptera) (II): genus Hercostomus Loew excluded from the Neotropics Author Soares, Matheus M. M. 0000-0002-2355-1441 Graduate Program in Entomology (PPG-Ent), Instituto Nacional de Pesquisas da Amazônia (INPA). & matheusmmsoares @ gmail. com; https: // orcid. org / 0000 - 0002 - 2355 - 1441 matheusmmsoares@gmail.com Author Capellari, Renato S. 0000-0002-8410-9235 Instituto Federal do Triângulo Mineiro, Campus Uberaba, Rua João Batista Ribeiro 4000, Distrito Industrial II, Uberaba, Minas Gerais 38064 - 790, Brazil. & rscapellari @ gmail. com; https: // orcid. org / 0000 - 0002 - 8410 - 9235 rscapellari@gmail.com Author Ale-Rocha, Rosaly 0000-0001-9874-9770 Coordenação de Biodiversidade (COBIO, INPA), Av. André Araújo, 2936, Petrópolis, CEP 69067 - 375, Manaus, Amazonas, Brazil. & alerocha @ inpa. gov. br; https: // orcid. org / 0000 - 0001 - 9874 - 9770 alerocha@inpa.gov.br text Zootaxa 2023 2023-03-10 5254 2 181 208 http://dx.doi.org/10.11646/zootaxa.5254.2.2 journal article 233753 10.11646/zootaxa.5254.2.2 f252562c-4717-47ac-a322-24b63bd4ef49 1175-5326 7727356 413FCD68-A4B1-4EA0-A58F-63C9993AC08F Genus Tachytrechus Haliday Ammobates Stannius, 1831: 33 . Type species: Ammobates notatus Stannius (subsequent designation by Rondani, 1856: 143 ). Preoccupied by Ammobates Latreille, 1809 . Tachytrechus Haliday, 1851: 173 . Type species: Ammobates notatus Stannius , automatic. Replacement name for Ammobates Stannius, 1831 . Six genera have been synonymized with Tachytrechus . The complete list of synonyms can be checked in Brooks (2005) .