Rheumatobates crassifemur crassifemur Esaki, 1926

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 : 28-29

Rheumatobates crassifemur crassifemur Esaki, 1926

Figs. 18C , 19B

Diagnosis. Body length 2.0– 3.6 mm; male antennomere IV with fairly uniform row of strong setae dorsolaterally; male hind leg strongly modified; male hind trochanter incrassate, inserted beyond base of hind femur, densely margined by long setae ventrally, without long basal spur; male hind femur without dense tuft of bristles extending forward from basal end, without T-shaped or anchor-shaped structure mesally ( Hungerford 1954).

New records. BRAZIL — Espírito Santo • Aracruz, do Norte River ; alt. 35 m; −19.5857, −40.2131; 28. VI.2022; JC Santos, JMS Rodrigues , NO Paiva, N Nery, CL Rodrigues leg.; 4 males, 7 females, CEIOC 82190 • Barra de São Francisco, Cricaré River ; alt. 162 m; −18.6997, −40.8681; 20. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 5 males, 20 females, CEIOC 82885 • Colatina, Escola Agrotécnica Federal de Colatina, Lento Stream, ponto ES05; −19.4943, −40.7627; 27. III.2009; FFF Moreira leg.; 1 male, 1 female, UFVB • Ecoporanga , swamp; alt. 438 m; −18.3444, −40.8792; 21. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 1 female; CEIOC 82887 • Linhares, Floresta Nacional de Goytacazes , puddle next to the BR-101 highway; alt. 16 m; −19.4235, −40.0784; 28. VI.2022; JC Santos, JMS Rodrigues , NO Paiva, N Nery, CL Rodrigues leg.; 7 males, 7 females, CEIOC 82191 • Pinheiros , weir; alt. 174 m; −18.2864, −40.4366; 22. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 7 males, 7 females, CEIOC 82886 • São Mateus , river, muddy shore trampled by cattle; alt. 77 m; −18.6405, −40.2596; 23. IV.2023; JMS Rodrigues , NO Paiva, FFF Moreira, IS Medeiros, CL Rodrigues leg.; 6 males, 7 females, CEIOC 82884 • São Mateus, Preto River , below the bridge; −18.7356, −39.7964; 29. IV.2009; FF Salles leg.; 1 male, UFVB • São Mateus , puddle; −18.7743, −39.7783; 13. III.2008; FF Salles leg.; 1 male, UFVB • Same except UFES lagoon; [−18.678, −39.875]; 11.XI.2008; JA Rúdio leg.; 22 males, 2 females, UFVB • Sooretama, Reserva Biológica de Sooretama, São José River ; [−19.16, −40.21]; 11.IX.2014; R Paresque leg.; 2 males, 21 females, UFVB .— Minas Gerais • Viçosa, Universidade Federal de Viçosa , lake on fruticulture sector; −20.757, −42.8689; 01.X.2014; AM Novais leg.; 6 males, 4 females, CEIOC 76996 .— Rio de Janeiro • Cachoeiras de Macacu, Reserva Ecológica de Guapiaçu , light trap; −22.4527, −42.7712 ; 07.XII.2016; D Rédei, Q Xie, Y Wang, FFF Moreira, RC Silva leg.; 1 male, CEIOC 76994 • Nova Iguaçu ; −22.6707, −43.4244; 18.II.2018; PB Oliveira leg.; 1 male, 5 females, CEIOC 76995 .

Distribution in Brazil. ES, MG, MS, MT, PA, RJ, RS, SP.

Figures

FIGURE 18. Collected specimens. Gerromorpha, Gerridae. A−B. Rheumatobates bonariensis, apterous male from Sooretama, Espírito Santo (−19.16, −40.21). C. Rheumatobates crassifemur crassifemur, apterous male from Viçosa, Minas Gerais (−20.757, −42.8689). D−F. Rheumatobates minutus flavidus from Sooretama, Espírito Santo (−18.9822, −40.2421). D. Apterous male. E. Macropterous male. F. Apterous female. Scale bars: 1 mm (A−B, D−F), 2 mm (C).

FIGURE 19. Distribution in southeastern Brazil and adjacent areas. A. Rheumatobates bonariensis. B. Rheumatobates crassifemur crassifemur. B. Rheumatobates minutus flavidus. Stars indicate new records; circles indicate previous records.