New records and geographic distribution of Cerambycidae (Insecta: Coleoptera) in the Humid Chaco District, Argentina Author Valle, Néstor G. 0000-0003-2627-458X Facultad de Ciencias Exactas y Naturales y Agrimensura, Universidad Nacional del Nordeste, Avda. Libertad 5470. (3400) Corrientes, Argentina. mdambor @ exa. unne. edu. ar; https: // orcid. org / 0000 - 0003 - 2627 - 458 X mdambor@exa.unne.edu.ar Author Monné, Marcela L. Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, São Cristóvão, 20940 - 040 Rio de Janeiro, RJ, Brazil. Fellow of the Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq. Author Damborsky, Miryam P. 0000-0003-2627-458X Facultad de Ciencias Exactas y Naturales y Agrimensura, Universidad Nacional del Nordeste, Avda. Libertad 5470. (3400) Corrientes, Argentina. mdambor @ exa. unne. edu. ar; https: // orcid. org / 0000 - 0003 - 2627 - 458 X mdambor@exa.unne.edu.ar Author Santos-Silva, Antonio Museu de Zoologia, Universidade de São Paulo. Caixa Postal 42494, 04299 - 970, São Paulo, São Paulo, SP, Brazil. text Zootaxa 2023 2023-03-14 5254 4 556 566 http://dx.doi.org/10.11646/zootaxa.5254.4.7 journal article 10.11646/zootaxa.5254.4.7 1175-5326 7732217 8D05AC02-2210-4860-8CF0-7D6FF19848AC Amethysphaerion guarani Martins & Napp, 1992 Fig. 5 Distribution. Paraguay (Central). New record. ARGENTINA : Chaco : Quintana , Department Sargento Cabral , 26°47′46′′S , 59°36′15′′W , 80 masl , 10.XII.2018 , Riparian forest , Light trap , 1 male , N. G. Valle leg. (CARTROUNNE 9566) . Species diagnosis. Head, antennae, legs, and elytral apex black; prothorax and rest of the elytra reddish; prothorax rounded laterally, constricted posteriorly and anteriorly; elytra punctate throughout ( Martins & Napp 1992: 468 , fig. 12). Remark. First record of the genus in Argentina .