Frevillea hirsuta ( Borradaile, 1916 )

CASTRO, PETER & NG, PETER K. L., 2010, Revision of the family Euryplacidae Stimpson, 1871 (Crustacea: Decapoda: Brachyura: Goneplacoidea), Zootaxa 2375 (1), pp. 1-130 : 54

Frevillea hirsuta ( Borradaile, 1916)

( Figs. 18E, F ; 19A–H ; 20D–F )

Goneplax hirsutus Borradaile, 1916: 77 [in list], 99, fig. 11 [ Brazil].

Goneplax hirsuta — Rathbun 1918: 25 [in key], 28, fig. 7. — Chace 1956: 20 [Gulf of Mexico]. — Williams 1965: 201, fig. 184 [Atlantic coast of the U.S.]. — Spivak 1997: 76, 79, 80 [southwestern Atlantic].

Frevillea hirsuta — Guinot 1969b: 513, figs. 33, 40, 58, 59, pl. 2, fig. 3 [ Brazil]; 1971: 1080 [in list]. — Coelho & Ramos 1972: 194 [ Brazil]. — Takeda 1983: 31 [in list], 162, colour photograph [ Suriname, French Guiana] — Williams 1984: 431 [in key], 432, fig. 344 [Atlantic coast of the U.S.]. — Soto 1980: 99 [Gulf of Mexico]; 1985: 485; 1986: 3, 4, 36; 1991: 627 [Florida]. — Powers 1977: 114 [in list] [Gulf of Mexico]. — Abele & Kim 1986: 54, 593 [key], fig. b [p. 595] [Florida]. — Coelho & Coelho Filho 1994: 560. [ Brazil]. — Coelho et al. 2008: 12 [in list] [ Brazil]. — McLaughlin et al. 2005: 257 [in list]. — Ng et al. 2008: 78 [in list].

Frevillea barbata Poupin 1994: 48 , pl. 5e [French West Indies].

Type material. Male lectotype, 10.5 mm × 15.2 mm ( NHM 1917.1.29.148–9; Fig. 18E ); 1 female paralectotype, 12.0 mm × 17.8 mm ( NHM 1917.1.29.148–9; Fig. 18F ) .

Type locality. Off Brazil, 22°56’S, 41°34’W, 73 m.

Material examined. Florida. Gulf of Mexico, off Tarpon Springs, near Middle Grounds , 28.1522°N, 84.9055°W, 479 m, B. Olaiver coll., 29.03.2003: 1 male, 19.0 mm × 27.0 mm ( UF 3747 ) .

Gulf of Mexico, off St. Petersburg , 27.71°N, 84.5755°W, 129.4 m, J. Stamer coll., 21.11.2004: 1 male, 13.5 mm × 19.3 mm ( UF 6577 ) .

Florida Straits , SW of Dry Tortugas, 24.4025°N, 83.1858°W, F. F. Snelson coll., 10.05.2006: 2 males, 13.3 mm × 20.0 mm, 14.6 mm × 21.0 mm, 3 females, 13.9 mm × 19.6 mm, 15.0 mm × 21.0 mm, 15.5 mm × 22.0 mm ( UF 11537 ) .

Guadeloupe. Polka : stn. D5, dredging, 95 m, 23.07.1991: 1 female 13.6 mm × 21.5 mm (MNHN- B30600) . – Off Basse Terre , trap and net, 200–300 m, D. Lamy coll.: 2 males 16.6 mm × 24.9 mm, 15.5 mm × 23.3 mm, 1 female 13.3 mm × 19.9 mm ( MNHN-B30601 ) .

Brazil. Espíritu Santo , 20°44’S, 40°25’W, 33 m, S. Rodrigues coll., 20.05.1967: 1 male ( MZUSP 6132 ) .

Rio de Janeiro , Ilha Grande, stn. 301, 75 m, 16.02.1968: 1 ovigerous female ( MZUSP 2925 ) .

Terra Nova, stn. 42, 22°56’S, 41°34’W, 73 m: male lectotype, 1 female paralectotype ( NHM 1917.1.29.148–9) .

São Paulo, Santos, Instituto de Pesca , 20.02.1984: 1 female ( MZUSP 6649 ) .

São Paulo, Ubatuba, W. Besnard coll., 07.1988: 1 male ( MZUSP 11876 ) .

Rio Grande do Sul, GEDIP, stn. 286, 27.04.1968: 1 male ( MZUSP 6122 ) , stn. 413: 1 male ( MZUSP 3817 ) , stn. 473: 1 male ( MZUSP 3441 ) , stn. 588: 1 ovigerous female ( MZUSP 3545 ) , stn. 1883: 1 male ( MZUSP 9200 ) .

Projeto Integrado, stn. 5201: 1 male ( MZUSP 11872 ) .

Projeto Sol, stn.1283, 07.12.1970: 1 ovigerous female ( MZUSP 9411 ) .

REVISEE Sul, stn. 6678: 1 male ( MZUSP 13771 ) .

No location: 1 male, 1 female ( MZUSP 12150 ) .

Diagnosis. See Remarks for Frevillea .

Remarks. Of the two syntypes specimens deposited at NHM (NHM 1917.1.29.148–9), the male (10.5 mm × 15.2 mm; Fig. 18E ) is hereby selected as the lectotype, the female as paralectotype (12.0 mm × 17.8 mm; Fig. 18F ).

Distribution. Western Atlantic from North Carolina to southern Brazil. Depth: 73– 476 m.

Figures

FIGURE 18. A, B, Euryplax nitida Stimpson, 1859; A, female (USNM 276579), Gulf of Mexico, off Florida, ventral view of carapace; B, female (10.1 mm × 7.1 mm) (LACM), Colombia, Atlantic coast, ventral view of carapace; C, D, Euryplax polita Smith, 1870; male (18.9 mm × 33.8 mm) (LACM), Perú, Tumbes; E, F, Frevillea hirsuta (Borradaile, 1916); E, male lectotype of Goneplax hirsutus Borradaile, 1916 (10.5 mm × 15.2 mm) (NHM 1917.1.29.148–9); F, female paralectotype of Goneplax hirsutus Borradaile, 1916 (12.0 mm × 17.8 mm) (NHM 1917.1.29.148–9). A, ventral view; B, D, female sterno-abdominal cavity; C-F, overall view; D; male sterno-abdominal cavity. Abbreviations: a3 = male abdominal somite 3; G1 = first male pleopod; G2 = second male pleopod; pb = press-button of male abdominallocking mechanism; s4–s8 = thoracic sternites 4 to 8, respectively; v = vulva. Photo credits: B, C, D by J. Martin (LACM); E, F by P. Crabb (NHM).

FIGURE 19. Frevillea hirsuta (Borradaile, 1916); A, H, female (13.3 mm × 19.9 mm) (MNHN-B30601), West Indies, Guadeloupe, off Basse Terre; B–G, male (16.6 mm × 24.9 mm) (MNHN-B30601), West Indies, Guadeloupe, off Basse Terre. A, overall view; B, frontal view showing orbits and antennae; C, third maxillipeds; D, anterior portion of male thoracic sternum and abdomen; E, outer view of right chela; F, male sterno-abdominal cavity, G1, and penis; G, posterior portion of male abdomen; H, female thoracic sternum and vulvae. Abbreviations: a1–a3 = male abdominal somites 1, 2, 3, respectively; cx5 = coxa of fifth pereopod (P5); es7 = episternite 7; G1 = first male pleopod; mg = median groove; p = penis; pb = press-button of male abdominal-locking mechanism; s4–s7 = thoracic sternites 4 to 7, respectively; sc = sterno-abdominal cavity.

FIGURE 20. Gonopods of Euryplax and Frevillea species. A–C, Euryplax nitida Stimpson, 1859; A, B, G1; C, G2 (after Guinot 1969b: figs. 56, 57); D–F, Frevillea hirsuta (Borradaile, 1916): D, E, G1; F, G2 (after Guinot 1969b: figs. 58, 59).