Cylindrostethus palmaris Drake & Harris, 1934

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 : 12

Cylindrostethus palmaris Drake & Harris, 1934

Figs. 6B , 7B

Diagnosis. Dimorphic, apterous and macropterous; body mostly yellow, shorter than 20.0 mm; fore tibia black; lateral black stripes on apterous mesonotum about as wide as median yellow stripe; apex of male abdominal sternum VII not emarginate at middle; basolateral process of male proctiger distinctly shorter than wide, directed laterally (Floriano et al. 2016).

New records. BRAZIL — Espírito Santo • Linhares, Rio Claro Farm, P 010, North ; −19.5384, −39.8831; 23–24.IX.2014; 1 male, 1 female, UFVB Montanha , river; alt. 64 m; −18.1323, −40.1030; 22. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 3 males, 1 female, CEIOC 82894 • Pancas, São Luís Stream , by the bridge; −19.2295, −40.8147; 28. III.2009; 1 male, 4 females, UFVB • Pedro Canário, Itaúnas River , da Mata Waterfall; −18.2032, −40.0772; 26. V.2015; 1 male, 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.; 2 males, 2 females, CEIOC 82895 • Sooretama, Reserva Biológica de Sooretama, Barra Seca River; −18.9645, −40.1270; 14.VII.2008; 1 male, UFVB • Same except Rodrigues Stream ; [−19.03, −40.23]; 19. IV.2009; 1 male, UFVB • Same , except 15. VII.2008; 1 female, UFVB • Same, except Cupido Stream ; [−19.07, −40.13]; 23. IV.2015; 2 females, UFVB • Same except Quirininho Stream ; −19.0453, −40.1780; 30. IV.2009; FFF Moreira leg.; 2 males, UFVB • Same except Paraisópolis Stream ; −18.9842, −40.2423; 15. VII.2008; 1 female, UFVB • Same except São José River ; [−19.16, −40.21]; 22.IX.2015; CPS, DSB, PMS leg.; 4 males, 2 females, UFVB • Same except Rodrigues Stream ; −19.0269, −40.2276; 23. IV.2015; FFF Moreira, IRS Cordeiro , A Khila, S Viala leg.; 1 male, CEIOC 21225 • 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, 1 female, CEIOC 82166 • 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 male, CEIOC 82167 .— Rio de Janeiro • Silva Jardim, Reserva Biológica de Poço das Antas, Aldeia Velha River ; −22.4997, −42.2662; 23. III.2015; FFF Moreira, IRS Cordeiro , JMS Rodrigues, TS Martins leg.; 1 male, CEIOC 21226 .

Distribution in Brazil. AL, AM, AP, BA, ES, GO, MA, MG, MS, MT, PA, RJ, RN, RO, RR, 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.