Belostoma dilatatum ( Dufour, 1863 )

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 : 281

Belostoma dilatatum ( Dufour, 1863)

Figs 7 , 41

Diagnosis

Body elliptical to rounded; ventral abdominal pubescence extending along genital operculum, covering entire margin of connexivum ( Lauck 1963).

Material examined

BRAZIL – Maranhão • 3 ♂♂; 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. [00051, 00052, 00160]; C.L. Franco det. 2021; CZMA .

Distribution

ARGENTINA ( De Carlo 1930); BOLIVIA ( Lauck 1963); BRAZIL: Maranhão ( Almeida et al. 2019; this work), Mato Grosso ( Ribeiro 2007; Almeida et al. 2019), Mato Grosso do Sul ( Ribeiro 2007; Floriano et al. 2013), Minas Gerais ( Ribeiro 2007), Pará ( Ribeiro 2007; Almeida et al. 2019), Paraíba ( Ribeiro 2007; Almeida et al. 2019), Paraná ( Gallo et al. 2017), Rio de Janeiro ( Ribeiro 2005), Rio Grande do Sul ( Lanzer 1976; Lanzer-de-Souza 1988; Amato & Amato 2005, 2006), São Paulo ( Ribeiro 2007; Bardella et al. 2012); PARAGUAY ( Lauck 1963); URUGUAY ( Ruffinelli & Pirán 1959).

Distribution in northeastern Brazil

Maranhão and Paraíba.

Figures

Figs 1–8. Dorsal and ventral habitus of males of examined species of Belostomatidae. 1. Belostoma bosqi De Carlo, 1932, ♂, Carolina municipality. 2. B. costalimai De Carlo, 1938, ♀, Caxias municipality. 3. B. anurum (Herrich-Schäffer, 1848), ♀, Caracol municipality. 4. B. dentatum (Mayr, 1863), ♀, Carolina municipality. 5. B. elongatum Montandon, 1908, ♀, Cândido Mendes municipality. 6. B. harrisi Lauck, 1964, ♀, Carolina municipality. 7. B. dilatatum (Dufour, 1863), ♂, Carolina municipality. 8. B. gestroi Montandon, 1900, ♂, Carolina municipality. Scale bars: 10 mm.

Figs 38–41. Geographic distribution of Belostoma in Brazil: yellow circles and gray stars indicate known record, red circles and stars indicate new records. 38. Belostoma bosqi De Carlo, 1932 and B. costalimai De Carlo, 1938. 39. B. anurum (Herrich-Schäffer, 1848) and B. dentatum (Mayr, 1863). 40. B. elongatum Montandon, 1908 and B. harrisi Lauck, 1964. 41. B. dilatatum (Dufour, 1863) and B. gestroi Montandon, 1900.