Dardanus venosus (H. Milne Edwards, 1848)

(Figs 3 C, 6E)

Pagurus venosus H. Milne Edwards, 1848: 61 .— Stimpson, 1859: 82.

Petrochirus insignis Rathbun, 1900: 144 .

Pagurias insignis Benedict, 1901: 141 .

Pagurus arrosor Moreira, 1901: 24 .

Pagurus arrosor var. divergens .— Moreira, 1906: 13, pl. 4, fig. 1.

Dardanus venosus .— Verrill, 1908: 441, figs 58, 59, pl. 26, figs 4a, 5a [part.].—Rathbun, 1919: 329.—Schmidt, 1924: 95; 1935: 201, fig. 62 [part.]; 1936: 376.— Holthuis, 1959: 153.— Provenzano, 1959: 374, fig. 6 [part.]; 1960: 119; 1961: 153; 1963a: 11, figs 1–5.— Forest & Saint Laurent, 1968: 94.— Ross & Sutton, 1968: 380.— Cutress & Ross, 1969: 225, pl.1, figs a, b.— Cutress et al., 1970: 371.— Biffar & Provenzano, 1972: 778, figs 1B, 2B, 3B, 4B, 5A, 6A.— Coelho & Ramos-Porto, 1986: 50.— Rieger, 1998: 420.— Melo, 1999: 64, fig. 20.—McLaughlin et al., 2010: 21.

Pagurus insignis Bouvier, 1918: 6 .

Material examined. Brazil: Amapá—Proj. Leste I, st. 1891A (04°44’N, 36°03’W), 1 spec. (MZUSP-7506); Proj. NNE II, st. 1910 (03°28’N, 49°52’W), 2 spec. (MZUSP-8855). Pará—Proj. NNE II, st. 1892 (01°45’N, 48°18’W), 1 spec. (MZUSP-8854). Pernambuco—Camaragibe, Praia dos Morros, 1 spec. (MZUSP-12815); Suape, 1 spec. (MZUSP-7214); 1 spec. (MZUSP-7215); Ponta de Pedra, 1 spec. (MZUSP-7490); Proj. NNE II, st. 1662A. Atol das Rocas, 1 spec. (MZUSP-8853). Alagoas—Paripueira, 1 spec. (MZUSP-12816); Japaratinga, 1 spec. (MZUSP-12817). Espírito Santo—Vitória, Ilha do Boi, 1 spec. (MZUSP-12974). Rio de Janeiro—Praia de Itaipú, 6 spec. (MZUSP-8665); 4 spec. (MZUSP-8664).

Diagnosis. Shield slightly longer than broad. Ambulatory legs with dactyl longer than propodus and with many bristles along the ventral and dorsal faces; other segments with few bristles. Ventral face of the dactyl of second left ambulatory leg with rounded crest and series of rounded tubercles in the proximal portion and series of tufts of bristles immediately adjacent to both sides of the crest.

Distribution. Western Atlantic—Bermuda, Florida, Antilles, Venezuela, north of South America and Brazil (from Amapá to São Paulo, including Atol das Rocas, Fernando de Noronha and banks off Ceará and Rio Grande do Norte).

Remarks. Dardanus venosus is very close to D. fucosus; for distinctive characters see remarks in D. fucosus .