Macrobrachium heterochirus (Wiegman, 1836)

(Fig. 8E)

Palaemon heterochirus Wiegmann, 1836: 149 .

Material examined. Brazil, São Paulo: 1 ♂, CCDB 2730, Ubatuba, Rio da Praia do Lamberto, colls. L. Pileggi & A. Costa, 05.vi.2006 ; 2 ♀, CCDB 2494, Ubatuba, Rio da Praia do Lamberto, colls. L. Pileggi & A. Costa, 03.v.2007 ; 1 ♂, CCDB 5090, Ubatuba, Rio da Praia do Lamberto, coll. F. Carvalho, 22.iv.2012 ; 1 ♂, CCDB 2479, São Sebastião, Rio Guaecá, colls. F. Mantelatto et al., 19.xi.2006 ; 1 ♀, CCDB 2137, Ilhabela (Ilha de São Sebastião), Rio do Engenho D’água, colls. F. Mantelatto et al., 03.v.2007 ; 1 ♀, CCDB 2482, Ilhabela (Ilha de São Sebastião), Rio São Pedro, colls. F. Mantelatto et al., 0l. v.2006 ; 1 ♂, CCDB 2158, Ilhabela (Ilha de São Sebastião), Cachoeira da Toca, coll. E. Mossolin, 13.vii.2006 ; 1 ♀, CCDB 2488, Ilhabela (Ilha de São Sebastião), Rio do Engenho, colls. F. Mantelatto et al., 0l. xii.2007 ; 1 ♂, CCDB 1447, Cananéia, Rio Iririaia-Açu, colls. F. Mantelatto et al., 29.viii.2011 ; 1 ♀, 2 j, CCDB 3658, Cananéia, Rio Cachoeira do Pitu, colls. F. Carvalho et al., 09.xi.2011 .

Distribution. Western Atlantic— USA (Florida), Mexico, Haiti, Jamaica, Puerto Rico, Guadeloupe, Dominica, Martinique, St. Vincent and Granadines, Grenada, Curaçao, Guatemala, Costa Rica, Panama, Colombia, Venezuela, and Brazil (Bahia, Espírito Santo, Rio de Janeiro, São Paulo, Santa Catarina, Rio Grande do Sul) (Holthuis 1952 a, 1980; Hart 1961; Coelho 1963; Chace & Hobbs 1969; Chace 1972; Rodriguez 1980; Abele & Kim 1989; BondBuckup & Buckup 1989, 1999; Ramos-Porto & Coelho 1998; Bowles et al. 2000; Valencia & Campos 2007; Pileggi et al. 2013, 2014; Poupin 2018).

Remarks. Previous records from the coast of São Paulo include Ilhabela (Ilha de São Sebastião), Peruíbe, and Cananéia (Ilha do Cardoso) (Rocha & Bueno 2004; Pileggi & Mantelatto 2010; Mossolin et al. 2016). The occurrence in Rio Grande do Norte and Pernambuco states (northeastern Brazil) is doubtful since it was mentioned in compilation studies without documented records (see Pileggi et al. 2013 for details). Sequences accession number (GenBank): CCDB 2137—16S (HM352454), COI (HM352494) (Pileggi & Mantelatto 2010).