Belostoma horvathi Montandon, 1903 Belostoma horvathi Montandon, 1903: 359 (original description) Fig. 3C Material examined: BRAZIL, Maranhão, Caxias municipality, Povoado Santa Tereza, 4°53’40.7”S 43°28’28.1”W, 18.xi.2022, F. Stefanello col., F. Stefanello, 2024 det. (1♂ and 1♀ CZMA); Presidente Dutra municipality, Sítio Pezão, 5°17’4”S 44°28’6”W, 15.vii.2022; C.L. Franco, F. Stefanello, R. S. Viana colls., F. Stefanello, 2024 det. (1♂ and 1♀ CZMA). Distribution: ARGENTINA (De Carlo 1938); BRAZIL: Amapá (Ribeiro & Ferrari 2023), Bahia (Ribeiro & Estévez 2009), Goiás (Ribeiro 2007; Ribeiro & Ferrari 2023), Maranhão (this work), Minas Gerais (De Carlo 1938; Nieser & Melo 1997; Pelli & Barbosa 1998; Barbosa 2002; Souza et al. 2006; Ribeiro 2007; Ribeiro & Ferrari 2023), Paraná (Ribeiro 2007), Rio de Janeiro (Ribeiro et al. 1998; Ribeiro 2007; Ribeiro & Ferrari 2023), Rio Grande do Sul (De Carlo 1938; Gautério et al. 2021), Santa Catarina (De Carlo 1938; Ribeiro 2007), São Paulo (De Carlo 1938; Ribeiro 2007; Ribeiro & Estévez 2009; Gallo et al. 2017; Ribeiro & Ferrari 2023).

Published as part of Stefanello, Fabiano & Azevêdo, Carlos Augusto Silva De, 2024, New species and new records of Belostoma Latreille, 1807 (Insecta: Hemiptera: Belostomatidae) from northeastern Brazil, pp. 591-600 in Zootaxa 5497 (4) on page 596, DOI: 10.11646/zootaxa.5497.4.8, http://zenodo.org/record/13619201