Stridulivelia astralis (Drake & Harris, 1938)

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 : 76

Stridulivelia astralis (Drake & Harris, 1938)

Fig. 55A, D

Diagnosis. Body length 3.4–4.3 mm; pronotal humeral angles not spinose; middle tarsus with narrow, falcate claws and setae-like arolia; hind femur incrassate, more than 2× wider than middle femur, with a spine on distal 2/3 of posterior margin distinctly larger than others; stridulatory structure on lateral margin of abdominal laterotergites formed by a row of tightly packed minute pegs; first three visible abdominal segments with transverse lateral sulci; male hind trochanter unarmed or armed with small spinules; male without projections on abdominal sternum VII; posterior margin of female abdominal tergum VIII straight; apex of female proctiger, in dorsal view, acute ( Floriano et al. 2017).

New records. BRAZIL — Espírito Santo • Ecoporanga , swamp; alt. 438 m; –18.3444, -40.8792; 21. IV.2023; JMS Rodrigues, NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 1 male, CEIOC 82899 .

Distribution in Brazil. ES*, MA, MG, MS, MT, PA, RS, TO.

Figures

FIGURE 55. Collected specimens (A−C), and distribution in southeastern Brazil and adjacent areas (D−F). Gerromorpha, Veliidae. A. Stridulivelia astralis, micropterous male from Ecoporanga, Espírito Santo (–18.3444, –40.8792). B. Stridulivelia quadrispinosa, micropterous male from Ecoporanga, Espírito Santo (–18.3578, –40.8828). C. Stridulivelia tersa, micropterous male from Sooretama, Espírito Santo (−19.0269, −40.2276). Stars indicate new records; circles indicate previous records. Scale bars: 1 mm (A, B), 2 mm (C).