Belostoma dentatum ( Mayr, 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 : 277-278

Belostoma dentatum ( Mayr, 1863)

Figs 4 , 18 , 24 , 30–31 , 39

Diagnosis

Body large, about 50 mm long; prosternal keel dilated, prominent ( Fig. 24 ) ( Ribeiro 2007); phallosoma with ventroapical protuberance of diverticulum strongly developed ( Ribeiro 2007); dorsal arms of phallosoma broad, not widely separate ( Figs 30–31 ) ( Ribeiro et al. 2017).

Material examined

BRAZIL – Maranhão • 1 ♀; Carolina municipality, Pov. Canto Grande ; [7°13′03.2″ S, 47°25′35.2″ W]; 23–27 Feb. 2009; F. Limeira-de-Oliveira, A.L. Costa and M.M. Abreu leg. [00077]; C.L. Franco det. 2021; CZMA • 2 ♀♀; 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. [00055, 00061]; C.L. Franco det. 2021; CZMA • 1 ♂; Caxias municipality, Reserva Ecologica do Inhamum ; [4°53′56″ S, 43°26′10″ W]; 1–3 Sep. 2005; F. Limeira-de-Oliveira et al. leg. [00049]; C.L. Franco det. 2021; CZMA • 1 ♂; C.N [Centro Novo do Maranhão] municipality, Reserva Biologica do Gurupi ; 3°14′05″ S, 46°41′03″ W; 1–6 Mar. 2011; F. Limeira-de-Oliveira, M.M. Abreu and J.A. Silva leg. [00076]; C.L. Franco det. 2021; CZMA • 1 ♀; Coelho Neto municipality, Bairro Santana ; [4°14′58.5″ S, 43°00′47.1″ W]; 30 Jun. 2010; L.M. Oliveira leg. [00092]; 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]; 11–15 Nov. 2007; J.C. Silva et al. leg. [00075]; C.L. Franco det. 2021; CZMA • 1 ♀; Mirador municipality, Zona Rural, Sítio Melancia ; [6°22′19.7″ S, 44°21′44.1″ W]; 7–8 Mar. 2008; F. Limeira-de-Oliveira and J.C. Silva leg. [00093]; C.L. Franco det. 2021; CZMA . – Piauí • 1 ♂; Teresina municipality, Jardim Zoobotânico ; [5°02′28.4″ S, 42°46′06.5″ W]; 1 Jul. 1999; F.L. Oliveira leg. [00033]; C.L. Franco det. 2021; CZMA .

Distribution

ARGENTINA ( Kirkaldy & Torre-Bueno 1909); BOLIVIA ( Kirkaldy & Torre-Bueno 1909); BRAZIL ( Dufour 1863): Acre ( Ribeiro 2007), Amazonas ( Nieser 1975; Ribeiro 2007; Almeida et al. 2019), Maranhão (this work), Mato Grosso ( Ribeiro 2007), Mato Grosso do Sul ( Nieser 1975; Ribeiro 2007; Gallo et al. 2017; Aranda et al. 2018), Minas Gerais ( De Carlo 1938; Nieser & Melo 1997; Melo & Nieser 2004; Amato & Amato 2005; Ribeiro 2007), Pará ( Nieser 1975; Ribeiro 2005, 2007; Almeida et al. 2019), Piauí ( Ribeiro 2007; this work), Rio de Janeiro ( Mayr 1871; Ribeiro 2005), Rio Grande do Sul ( Mayr 1863; Lauck 1964; Nieser 1975; Lanzer 1976; Lanzer-de-Souza 1988; Ribeiro 2007; Ribeiro et al. 2017; Gauterio et al. 2021), Rondônia ( Nieser 1975; Ribeiro 2007), Roraima ( Almeida et al. 2019), São Paulo ( Ribeiro 2007); PARAGUAY ( Montandon 1895); PERU ( Lauck 1964); URUGUAY ( Ruffinelli & Pirán 1959).

Distribution in northeastern Brazil

Maranhão and Piauí.

Note

First records from the state of Maranhão.

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 17–22. Dorsal view of the head and part of the pronotum of examined species of Belostomatidae. 17. Belostoma anurum (Herrich-Schäffer, 1848), ♀, Caracol municipality. 18. B. dentatum (Mayr, 1863), ♀, Carolina municipality. 19. B. elongatum Montandon, 1908, ♀, Carolina municipality. 20. B. harrisi Lauck, 1964, ♀, Carolina municipality. 21. B. micantulum (Stål, 1860), ♂, Caxias municipality. 22. B. nessimiani Ribeiro & Alecrim, 2008, ♂, Caxias municipality. Scale bars: 1 mm.

Figs 23–27. Lateral view of the head, pronotum and prosternal keel of examined species of Belostomatidae. 23. Belostoma anurum (Herrich-Schäffer, 1848). 24. B. dentatum (Mayr, 1863). 25. B. elongatum Montandon, 1908. 26. B. micantulum (Stål, 1860). 27. B. nessimiani Ribeiro & Alecrim, 2008. Scale bars: 1 mm.

Figs 28–37. Male genitalia of species of Belostoma: phallosoma (phallotheca, dorsal arms, and diverticulum). 28–29. Belostoma anurum (Herrich-Schäffer, 1848). 28. Dorsal and ventral view. 29. Lateral view. 30–31. B. dentatum (Mayr, 1863). 30. Dorsal and ventral view. 31. Lateral view. 32–33. B. elongatum Montandon, 1908. 32. Dorsal and ventral view. 33. Lateral view. 34– 35. B. micantulum (Stål, 1860). 34. Dorsal and ventral view. 35. Lateral view. 36–37. B. nessimiani Ribeiro & Alecrim, 2008. 36. Dorsal and ventral view. 37. Lateral view. Scale bars: 28–29 = 1 mm; 30–33 = 0.5 mm; 34–37 = 0.2 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.