Isocheles sawayai Forest & de Saint Laurent, 1968

(Fig. 4G)

Isocheles sawayai Forest & de Saint Laurent, 1968: 107, figs. 62, 63, 68, 69.

Material examined. Brazil, São Paulo: 1 ♂, CCDB 602, Ubatuba, Enseada de Ubatuba, 23°26ʹ10ʺS, 045°01ʹ36ʺW, coll. F. Mantelatto, 12.vi.1995 ; 1 ♂, CCDB 1209, Ubatuba, Enseada de Ubatuba, 23°26ʹ10ʺS, 045°01ʹ36ʺW, colls. R. Biagi & A. Meireles, 01.vii.2001 ; 1 ♂, CCDB 5274, Ubatuba, Praia do Lázaro, 23°30ʹ24ʺS, 045°08ʹ04ʺW, coll. R. Buranelli, 02.iv.2014 ; 1 ♂, CCDB 3689, Caraguatatuba, 23°34ʹ52ʺS, 045°17ʹ52ʺW, colls. R. Biagi & A. Meireles, 01.iii.2002 ; 1 ♂, CCDB 1687, Caraguatatuba, 23°36ʹ08ʺS, 045°08ʹ30ʺW, colls. F. Mantelatto & R. Biagi, 01.i.2002 ; 3 ♂, CCDB 1690, Caraguatatuba, 23°36ʹ08ʺS, 045°08ʹ30ʺW, colls. R. Biagi & A. Meireles, 01.viii.2001 ; 4 ♂, 1 ♀, CCDB 2039, São Sebastião, Praia de Barequeçaba, 09.xi.2007 ; 1 ♂, CCDB 1683, Guarujá, Praia Guaiúba, 24º00ʹ57.4ʺS, 046°17ʹ42.5ʺW, colls. F. Mantelatto & R. Biagi, 22.x.2011 ; 1 ♂, CCDB 2487, Santos, coll. F. Mantelatto, 30.vii.2003 .

Distribution. Western Atlantic— Venezuela, Brazil (Ceará, Rio Grande do Norte, Paraíba, Pernambuco, Alagoas, Sergipe, Espírito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina) (Coelho & Ramos-Porto 1987; Rieger 1998; Melo 1999; Mantelatto et al. 2006; Coelho et al. 2007; Meireles et al. 2012; Nucci & Melo 2015; Mendonça et al. 2019).

Remarks. The taxonomy and geographic distribution of the two close related western Atlantic species I. sawayai and Isocheles wurdemanni Stimpson, 1859 were recently clarified by molecular analysis and complete taxonomic revision of the genus (Mantelatto et al. 2006; Vera-Silva & Mantelatto under revision). Sequences accession numbers (GenBank): CCDB 302—16S (DQ369938), CCDB 1683—COI (MF490049) (Mantelatto et al. 2006, 2018).