Breda nanica, Ruiz, Gustavo R. S. & Brescovit, Antonio D., 2013

Ruiz, Gustavo R. S. & Brescovit, Antonio D., 2013, Revision of Breda and proposal of a new genus (Araneae: Salticidae), Zootaxa 3664 (4), pp. 401-433 : 420-421

Breda nanica sp. nov.

Figs 31 , 73–75 , 104

Type material. Holotype: Male from Reserva Florestal Adolpho Ducke, Manaus, Amazonas, Brazil, 6.I.1992, H. Höfer & T. Gasnier, deposited in INPA.

Additional material examined. BRAZIL: Amazonas: Manaus: Reserva Florestal Adolpho Ducke, 7m, 1991– 1992, H. Höfer & T. Gasnier (SMNK 2244-2249); 12m, H. Höfer & T. Gasnier (INPA); Fazenda Esteio, 1m, 2.X.1985, B.C. Klein (INPA 58).

Etymology. The specific name is an adjective taken from the South American native language Tupi and means “small”.

Diagnosis. Breda nanica sp. nov. differs from the other species of the genus by having a short and straight tibial apophysis, distally slender ( Fig. 75 ), and by the absence of white scales on the borders of the carapace.

Description. Male (holotype). Total length: 4.10. Carapace length: 1.77; width: 1.15; height: 0.71. Carapace dark brown, cephalic region darker, with no scales on the lateral borders ( Fig. 73 ). Length of the ocular quadrangle: 0.90. Width of the anterior eye row: 1.05; posterior: 1.05. Chelicera light brown, with three teeth on promargin and one on retromargin. Labium, sternum and endites light brown. RvTA short and acute and embolus tip very short ( Figs 74–75 ). Legs 4123, I light brown with sparse white hairs, II–IV yellow; all legs prolaterally and retrolaterally dark brown, mainly the prolateral femur I ( Fig. 73 ) and retrolateral leg IV. Femur I 0.95x0.45; II 0.77x0.30; III 0.75; IV 1.02. Patella I 0.60; II 0.47; III 0.40; IV 0.50. Tibia I 0.75x0.29; II 0.62x0.17; III 0.55; IV 0.90. Metatarsus I 0.45; II 0.40; III 0.52; IV 0.65. Tarsus I 0.37; II 0.35; III 0.37; IV 0.32. Leg spination: femur I, II d1-1-1, p1; III d1-1-1, p1di, r1di (r0); IV d1-1-1. Patella I, II, III, IV 0. Tíbia I v2; II v1; III p1di, r1, v1 pdi; IV p0, r1-0-1 (r0), v1 p-0-1p). Metatarsus I, II v2-2; III p1di, r1di, v2 di; IV p0, r1di, v2 di. Abdomen dark brown with scutum and three pairs of transverse stripes of white scales ( Fig. 73 ); ventrally dark brown, variegated with light brown. Spinnerets light brown.

Female. Unknown.

Distribution. Known only from the type locality.

Figures

FIGURE 104. Occurrence records for the species Breda notata, B. nanica sp. nov. and Druzia flavostriata gen. et comb. nov.

FIGURES 30 – 35. Tip of embolus. Druzia flavostriata gen. et comb. nov.: 30. Breda nanica: 31. B. notata: 32. B. apicalis: 33. B. variolosa: 34. B. bicruciata: 35.

FIGURES 73 – 75. Breda nanica sp. nov. 73 male, dorsal view; 74 left male palp, ventral view; 75 ventroretrolateral view. Scale bars equal 0.5 mm, except when indicated otherwise.