Brachymetra albinervus (Amyot & Serville, 1843)

Rodrigues, Juliana Mourão Dos Santos, Cordeiro, Isabelle Da Rocha Silva, Floriano, Carla Fernanda Burguez, Paiva, Nathália De Oliveira, Magalhães, Oséias Martins, Júnior, Evaldo Alves Joaquim, Martins, Thaynara De Souza, Silva, Rafaella Cardoso Da, Siqueira, Gabriel Vieira, Salles, Frederico Falcão, Viala, Séverine, Khila, Abderrahman & Moreira, Felipe Ferraz Figueiredo, 2023, Descriptions of new species and new records of water bugs (Hemiptera: Heteroptera: Gerromorpha & Nepomorpha) from southeastern Brazil, Zootaxa 5393 (1), pp. 1-86 : 9-10

Brachymetra albinervus (Amyot & Serville, 1843)

Figs. 6A , 7A

Diagnosis. Body shorter than 7.5 mm; antennomere I shorter than II and III together; eye not surpassing anterolateral angle of the pronotum; pronotum with apex rounded, reaching mesoacetabulum in apterous form; acetabula with silvery setae on dorsum; fore femur robust, slightly arched, with sparse conical black setae ventrally; male abdominal mediotergite VII trapezoid; male abdominal segment VIII, in natural position, with approximately half of length exposed; apex of male pygophore not notched at apex in ventral view; male paramere wide, erect in caudal view, with obtuse apex ( Cordeiro 2017).

New records. BRAZIL — Espírito Santo • Águia Branca, Sítio Dona Leulália, Do Ouro Stream ; −18.9420, −40.6866; 29. III.2009; FFF Moreira leg.; 1 male, 1 female, UFVB Águia Branca , stream with electric fence; alt. 216 m; −18.8734, −40.7782; 20. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 6 males, 1 female, CEIOC 82913 • Apiacá , stream; alt. 233 m; −21.0830, −41.5431; 20. III.2022; JC Santos, JMS Rodrigues, NO Paiva, B Clarkson leg.; 1 female, CEIOC 81811 • Conceição da Barra, Reserva Biológica do Córrego Grande , stream with heavy rain; alt. 49 m; −18.2369, −39.8252; 25. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 1 male, 3 females, CEIOC 82914 • Conceição da Barra, Reserva Biológica do Córrego Grande , stream; alt. 49 m; −18.2369, −39.8251; 25. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 1 male, 3 females, CEIOC 82917 • Ecoporanga , river; alt. 510 m; −18.3578, −40.8824; 21. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 2 males, 3 females, CEIOC 82916 • Ecoporanga, Bonita Waterfall ; [−18.328, −40.794]; 30. VI.2015; 2 males, 1 female, UFVB • Guarapari, Buenos Aires Waterfall ; alt. 283 m; −20.5878, −40.5560; 24. III.2022; JC Santos, JMS Rodrigues, NO Paiva, B Clarkson leg.; 2 males, 2 females, CEIOC 81812 • Montanha , river; alt. 64 m; −18.1323, −40.1030; 22. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 2 males, 2 females, CEIOC 82912 • Linhares, Maria Bonita Farm , H-PS09; [−19.55, −39.81]; 20. IV.2015; 1 male, 1 female, UFVB • Nova Venécia, Fazenda Deprá, Santa Rosa da Cachoeirinha Stream ; −18.7947, −40.5876; 09. II.2009; 1 male, UFVB • Pedro Canário , river; alt. 28 m; −18.2239, −39.9447; 22. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 1 male, 2 females, CEIOC 82915 • Pinheiros, Reserva Biológica do Córrego do Veado, Água Limpa Stream ; alt. 86 m; −18.3678, −40.1399; 10. II.2009; FFF Moreira leg.; 1 male, UFVB • Same except Rio Claro Farm, P010, Norte ; −19.5384, −39.8831; 23–24.IX.2014; 3 males, 2 females, UFVB • Pinheiros, Reserva Biológica Córrego do Veado , stream with a small waterfall; alt. 82 m; −18.3678, −40.1398; 24. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 3 males, 3 females, CEIOC 82911 • Pinheiros, Reserva Biológica Córrego do Veado , stream; alt. 74 m; −18.3713, −40.1416; 24. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 1 male, 3 females, CEIOC 82918 • Pinheiros, Reserva Biológica Córrego do Veado , muddy stream; alt. 98 m; −18.3612, −40.1665; 24. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 2 males, 1 female, CEIOC 82919 • Rio Bananal, Paneto Waterfall ; alt. 100 m; −19.2319, −40.3569; 25. VI.2022; JC Santos, JMS Rodrigues, NO Paiva, N Nery, CL Rodrigues leg.; 1 male, CEIOC 82168 • Santa Teresa, Reserva Biológica Augusto Ruschi, weir and stream; alt. 834 m; −19.8967 −40.5236; 22. VI.2022; JC Santos, JMS Rodrigues , NO Paiva, N Nery, CL Rodrigues leg.; 4 males, 2 females, CEIOC 82169 • Same except Piraquê-Açu River ; alt. 810 m; −19.8929, −40.5451; 22. VI.2022; 4 males, 6 females, CEIOC 82170 • Same except alt. 808 m; −19.8805, −40.5405; 22. VI.2022; 3 females, CEIOC 82171 • Same except Grande Waterfall ; −19.8750, −40.5561; 20. II.2009; 1 male, 2 females, UFVB • Santa Teresa, Nova Lombardia, Capitel de Santo Antônio, Grande Stream ; alt. 768 m; −19.8753, −40.5303; 25.X.2008; FF Salles leg.; 9 males, 5 females, UFVB • Same except Escavado Stream (headquarter); −19.8755, −40.5298; 26.X.2008; FF Salles leg.; 3 males, 2 females, UFVB • São Mateus, Preto River , below the bridge; −18.7356, −39.7964; 27.X.2007; 4 males, UFVB • Same except lâmina d'água; −18.7356, −39.7964; 30.I.2008; FF Salles leg.; 1 male, UFVB • Same except ES-130 [sic, BR-381], km 41, stream on a farm, [above?] the waterfall; [−18.68, −40.18]; 09.II.2009; FFF Moreira leg.; 3 males, 4 females, UFVB • Same except Nestor Gomes, ES-130 [sic, BR-381], km 41, Tapuia River , damming area, margin, light; −18.6806, −40.1824; 2 males, 1 female, UFVB • Sooretama, Reserva Biológica de Sooretama, São José River ; [−19.16, −40.21]; 22.IX.2015; 1 male, UFVB • Same except Paraisópolis Stream ; −18.9842, −40.2423; 15. VII.2008; 2 males, UFVB • Same except Rodrigues Stream ; [−19.03, −40.23]; 1 male, UFVB • Same except Quirininho Stream ; −19.0453, −40.1780; 30. IV.2009; FFF Moreira leg.; 9 males, 3 females, UFVB • Same except stream; alt. 61 m; −19.0259, −40.2354; 27. VI.2022; JC Santos, JMS Rodrigues , NO Paiva, N Nery, CL Rodrigues leg.; 3 males, 3 females, CEIOC 82172 • Same except stream; alt. 88 m; −19.0452, −40.1779; 27. VI.2022; JC Santos, JMS Rodrigues, NO Paiva, N Nery, CL Rodrigues leg.; 1 female, CEIOC 82173 • Same except Cupido Stream ; alt. 50 m; between −19.0712, −40.1236 and −19.0637, −40.1113; 26. VI.2022; JC Santos, JMS Rodrigues, NO Paiva, N Nery, CL Rodrigues leg.; 1 male, CEIOC 82174 • [ Unknown locality], poção L.D.; 26.X.2008; 6 males, 7 females, UFVB • [ Unknown locality], trail 1 / trail 2; 20. II.2009; 2 males, 10 females, UFVB .— Rio de Janeiro • Cantagalo, stream on road to Duas Barras ; −21.9720, −42.3931; 01. VIII.2016; FFF Moreira , IRS Cordeiro, FS Motta, OM Magalhães leg.; 3 females, CEIOC 36516 • Magé, Piabetá, do Ouro Waterfall ; −22.583, −43.132; 07. II.2016; TS Martins leg.; 2 males, 1 female, CEIOC 76973 • Nova Iguaçu, Tinguá, Reserva Biológica do Tinguá , Macuco River dam; −22.5794, −43.4347; 15.IX.2016; JF Barbosa, LL Dumas, JL Nessimian leg.; 2 males, 2 females, CEIOC 76794 • São Fidélis, tributary on right margin of Paraíba do Sul River ; −21.6106, −41.8078; 31. VII.2016; FFF Moreira , IRS Cordeiro, FS Motta, OM Magalhães leg.; 5 males, CEIOC 36517 .

Distribution in Brazil. AL, AM, BA, CE, ES, MA, MG, MT, PA, PI, RJ, RS, SE, SP.

Figures

FIGURE 6. Collected specimens. Gerromorpha, Gerridae. A. Brachymetra albinervus, apterous male from São Fidélis, Rio de Janeiro (−21.6106, −41.8078). B. Cylindrostethus palmaris, apterous male from Silva Jardim, Rio de Janeiro (−22.4997, −42.2662). C. Limnogonus aduncus aduncus, macropterous male from Pimenta, Minas Gerais (−20.6664, −45.8344). Scale bars: 2 mm.

FIGURE 7. Distribution in southeastern Brazil and adjacent areas. A. Brachymetra albinervus. B. Cylindrostethus palmaris. C. Limnogonus aduncus aduncus. Stars indicate new records; circles indicate previous records.