Belostoma discretum Montandon, 1903

Franco, Cleilton Lima, Stefanello, Fabiano, Azevêdo, Carlos Augusto Silva de & Moreira, Felipe Ferraz Figueiredo, 2024, Belostomatidae Leach, 1815 (Insecta: Hemiptera: Heteroptera: Nepomorpha) of northeastern Brazil, European Journal of Taxonomy 932, pp. 271-304 : 282

Belostoma discretum Montandon, 1903

Figs 9 , 42

Diagnosis

Body medium-sized, total length 22.5–27.2 mm; prosternal keel prominent, acute at apex; ventral abdominal pubescence not extending along genital operculum, covering about half of connexivum ( Ribeiro 2007).

Material examined

BRAZIL – Maranhão • 1 ♂; Carolina municipality, Perímetro Urbano ; 7°19′40″ S, 47°27′14″ W; 25– 26 Dec. 2013; F. Limeira-de-Oliveira, T.T. Silva and T.L. Rocha leg.; C.L. Franco det. 2021; CZMA • 1 ♂; C.N [Centro Novo do Maranhão] municipality, Reserva Biologica do Gurupi ; 3°14′01″ S, 46°40′52″ W; 1–5 Jul. 2011; M.M. Abreu and J.A. Silva leg. [00069]; C.L. Franco det. 2021; CZMA • 1 ♀; Mirador [sic, Formosa da Serra Negra] municipality, Parque Estadual do Mirador , Base da geraldina ; [6°37′25″ S, 45°52′08″ W]; 7–14 May 2010; J.K.P. Bezerra-Silva and J.H. Veras-e-Silva leg. [00078]; C.L. Franco det. 2021; CZMA .

Distribution

ARGENTINA ( Montandon 1903); BOLIVIA ( Lauck 1963); BRAZIL: Acre ( Ribeiro 2007), Amazonas ( De Carlo 1938; Lauck 1963; Nieser 1975; Pereira & Melo 2007; Ribeiro 2007; Almeida et al. 2019), Maranhão ( Ribeiro 2007; this work); Mato Grosso ( De Carlo 1930; Heckman 1998), Mato Grosso do Sul ( Ribeiro 2007; Floriano et al. 2013), Pará ( Nieser 1975; Ribeiro 2007; Almeida et al. 2019), Rio de Janeiro ( Ribeiro 2005), Rio Grande do Sul ( Almeida et al. 2019), Rondônia ( Ribeiro 2007), São Paulo ( De Carlo 1938; Lauck 1963; Ribeiro 2007; Gallo et al. 2017), Tocantins ( Menke & Lauck 1962; Almeida et al. 2019); COLOMBIA ( Morales-Castaño et al. 2008); PARAGUAY ( Montandon 1903); PERU ( Lauck 1963).

Distribution in northeastern Brazil

Maranhão.

Figures

Figs 9–16. Dorsal and ventral habitus of examined species of Belostomatidae. 9. Belostoma discretum Montandon, 1903, ♂, Carolina municipality. 10. B. micantulum (Stål, 1860), ♂, Caxias municipality. 11. B. nessimiani Ribeiro & Alecrim, 2008, ♂, Caxias municipality. 12. B. aurivillianum (Montandon, 1899), ♂, Cândido Mendes municipality. 13. B. stollii (Amyot & Serville, 1843), ♀, Cândido Mendes municipality. 14. Lethocerus annulipes (Herrich-Schäffer, 1845), ♂, Ubajara municipality. 15. L. delpontei De Carlo, 1930, ♂, Caxias municipality. 16. L. maximus De Carlo, 1938, ♀, Riachão municipality. Scale bars: 9–11, 14–16 = 10 mm; 12–13 = 1 mm.

Figs 42–45. 42–44. Geographic distribution of Belostoma in Brazil: yellow circles and gray stars indicate known records, red circles and stars indicate new records. 42. Belostoma discretum Montandon, 1903. 43. B. micantulum (Stål, 1860) and B. nessimiani Ribeiro & Alecrim, 2008. 44. B. aurivillianum (Montandon, 1899) and B. stollii (Amyot & Serville, 1843). 45. Distribution of Lethocerus annulipes (Herrich-Schäffer, 1845), L. delpontei De Carlo, 1930 and L. maximus De Carlo, 1938: yellow circles, gray stars, and orange cross indicate known records, red circles, stars, and cross indicate new records.