Belostoma elongatum Montandon, 1908

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 : 278-279

Belostoma elongatum Montandon, 1908

Figs 5 , 19 , 25 , 32–33 , 40

Diagnosis

Body quite narrow; prosternal keel prominent, somewhat rounded at apex ( Fig. 25 ) ( Ribeiro 2007). Phallosoma with posterolateral margins of diverticulum sinuous in ventral view; dorsal arms of phallosoma slightly converge posteriorly and their inner margins are sinuous and convex basally and concave apically, protuberance indistinct in lateral view ( Figs 32–33 ) ( Ribeiro et al. 2017).

Material examined

BRAZIL – Maranhão • 2 ♀♀; Cândido Mendes municipality, Fazenda 7 Irmãos ; 1°52′06″ S, 45°45′59.7″ W; 2–6 Jul. 2019; F. Limeira-de-Oliveira, D. Limeira and J.S. Brito leg. [00131, 00132]; C.L. Franco det. 2021; CZMA • 1 ♀; Carolina municipality, Pov. Canto Grande , Balneário Urupuxete ; [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. [00073]; C.L. Franco det. 2021; CZMA • 1 ♀; Cachoeira do Itapecuru ; [7°24′58.3″ S, 47°12′54.8″ W]; 16–17 Oct. 2009; F. Limeira-de-Oliveira, R.O. Souza and P.A.M. Moraes leg. [00067]; C.L. Franco det. 2021; CZMA • 2 ♂♂; 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. [00034, 00068]; C.L. Franco det. 2020; CZMA • 1 ♀; Reserva Ecologica do Inhamum, Povoado Coités ; 4°54′43″ S, 43°25′30″ W; 25–26 Dec. 2013; M.K.A. Santos, C.M.S. Silva and A.A. Santos leg. [00074]; C.L. Franco det. 2021; CZMA • 1 ♀; Reserva Ecologica do Inhamum , Povoado Coités ; 4°54′43″ S, 43°25′30″ W; 27–28 Nov. 2013; J.T. Câmara, P.C. Grossi and G.A. Reis leg. [00080]; C.L. Franco det. 2001; CZMA • 1 ♀; Mirador municipality, Zona Rural , Sítio Melancia ; [6°22′19.7″ S, 44°21′44.1″ W]; 19–20 Dec. 2006; R.O. Souza, J.C. Silva et al. leg. [00071]; C.L. Franco det. 2021; CZMA • 1 ♀; Parque Estadual do Mirador , Base dos Cágados ; 6°46′37″ S, 45°06′34″ W; 27 Nov.–3 Dec. 2011; A.A. Santos, T.M.A. Lima and F. Limeira-de-Oliveira leg. [00079]; C.L. Franco det. 2021; CZMA • 1 ♀; [Formosa da Serra Negra municipality], Parque Estadual do Mirador , Base da geraldina ; 6°37′25″ S, 45°52′08″ W; 30 Jun.–6 Jul. 2011; F. Limeira-de-Oliveira, T.T.A. Silva and A.A. Santos leg. [00072]; C.L. Franco det. 2021; CZMA • 1 ♂; Parque Estadual do Mirador , Base da geraldina ; [6°37′25″ S, 45°52′08″ W]; 11–15 Nov. 2007; F. Limeira-de-Oliveira leg. [00090]; C.L. Franco det. 2021; CZMA . – Piauí • 1 ♂; Piracuruca municipality, Parque Nacional de Sete Cidades ; 4°05′57″ S, 41°42′34″ W; 8–12 Jan. 2013; T.M.A. Lima, F. Limeira-de-Oliveira and J.S. Pinto Junior leg. [00066]; C.L. Franco det. 2021; CZMA .

Distribution

ARGENTINA ( De Carlo 1930); BOLIVIA ( Lauck 1964); BRAZIL: Maranhão (this work), Mato Grosso ( Heckman 1998; Ribeiro 2007; Ribeiro et al. 2017; Almeida et al. 2019), Mato Grosso do Sul ( Ribeiro 2007; Floriano et al. 2013), Minas Gerais ( Souza et al. 2006; Ribeiro 2007), Paraná ( Almeida et al. 2019), Piauí ( Ribeiro 2007; this work), Rondônia ( Ribeiro 2007), Rio Grande do Sul ( Lanzer 1976; Ribeiro et al. 2017), Santa Catarina ( Ribeiro et al. 2017), São Paulo ( Gallo et al. 2017); PARAGUAY ( Montandon 1908); 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.