Rhagovelia rioana Drake, 1953

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 : 61

Rhagovelia rioana Drake, 1953

Figs. 41C, D , 42

Diagnosis. Member of the bisignata group ( Polhemus 1997). Body length 2.8–3.0 mm; middle coxa blackish; male fore trochanter without distal spine; male middle femur clearly longer than 2.0 mm; male hind femur with 1–3 spines; male abdominal laterotergites bowed laterally; male abdominal mediotergite VII and tergum VIII with shiny black areas centrally; female hind femur without spines; female abdominal laterotergites distinctly reflected over mediotergites, strongly covering segments V–VII (Moreira 2012).

New records. BRAZIL — Rio de Janeiro • Angra dos Reis, Vermelha Beach , river; −23.1414, −44.2987; 08.IX.2017; RC Silva leg.; 48 males, 126 females, CEIOC 79961 • Macaé, Sana, Escorrega Waterfall ; −22.3173, −42.1859; 26. III.2015; FFF Moreira, IRS Cordeiro , JMS Rodrigues, TS Martins leg.; 2 females, CEIOC 28803 • Silva Jardim, Aldeia Velha, Andorinhas Waterfall ; −22.4342, −42.2933; 25. III.2015; FFF Moreira, IRS Cordeiro , JMS Rodrigues, TS Martins leg.; 3 males, 3 females, CEIOC 28813 .— São Paulo • São José do Barreiro, Parque Nacional Serra da Bocaina, Santo Isidro Waterfall ; −22.7481, −44.6145; 07. II.2015; FFF Moreira , IRS Cordeiro, FS Motta leg.; 1 female, CEIOC 27998 .

Distribution in Brazil. RJ, SP*.

Figures

FIGURE 41. Collected specimens. Gerromorpha, Veliidae. A. Rhagovelia modesta, apterous male from Casimiro de Abreu / Silva Jardim, Rio de Janeiro (−22.4342, −42.2934). B. Rhagovelia pseudotijuca, apterous male from São José do Barreiro, São Paulo (−22.7349, −44.6162). C, D. Rhagovelia rioana from Angra dos Reis, Rio de Janeiro (−23.1414, −44.2987). C. Apterous male. D. Apterous female. Scale bars: 2 mm.

FIGURE 42. Distribution in southeastern Brazil and adjacent areas. A. Rhagovelia modesta. B. Rhagovelia pseudotijuca. C. Rhagovelia rioana. Stars indicate new records; circles indicate previous records.