Hydrometra argentina Berg, 1879

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 : 36

Hydrometra argentina Berg, 1879

Figs. 24A , 25

Diagnosis. Body length at most 12.5 mm; clypeus clearly longer than broad, conate; pro- and mesoacetabula with circular punctations; metacetabulum without circular punctations; male abdominal sternum VII with anterior pair of spinose projections; male abdominal segment VIII without lateral hooks ( Moreira & Barbosa 2013).

New records. BRAZIL — Espírito Santo • São Mateus , puddle; −18.7100, −39.7800; 02.X.2007; FF Salles leg.; 1 male, UFVB • São Mateus, Preto River , –18.7355, –39.7964; 22. III.2007; FF Salles leg.; 1 female, UFVB • Sooretama, Reserva Biológica de Sooretama, Barra Seca River; −18.9645, −40.1270; 14.VII.2008; 1 female, UFVB .— Minas Gerais • Alto Caparaó, Parque Nacional do Caparaó, Acampamento Macieira , swamp; alt. 1857 m; −20.4811, −41.8288; 25. III.2009; FF Salles leg.; 1 female, UFVB .

Distribution in Brazil. AL, AM, AP, BA, ES, MG, MS, MT, PA, PB, PI, PR, RJ, RS, SC, SE, SP.

Figures

FIGURE 24. Collected specimens. Gerromorpha, Hydrometridae. A. Hydrometra argentina, micropterous male from São Mateus, Espírito Santo (−18.7100, −39.7800). B. Hydrometra comata, micropterous male from Sooretama, Espírito Santo (−19.0269, −40.2276). C. Hydrometra fruhstorferi, apterous male from São Fidélis, Rio de Janeiro (−21.8330, −41.8298). D. Hydrometra sztolcmani, macropterous male from São José do Barreiro, São Paulo (−22.7263, −44.6276). Scale bars: 2 mm.

FIGURE 25. Distribution of Hydrometra argentina (yellow), H. comata (pink), H. fruhstorferi (red) and H. sztolcmani (blue) in southeastern Brazil. Stars indicate new records; circles indicate previous records; question marks indicate unspecified localities.