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.