Helvetia galianoae, Gustavo R. S. Ruiz & Antonio D. Brescovit, 2008

Gustavo R. S. Ruiz & Antonio D. Brescovit, 2008, Revision of Helvetia (Araneae: Salticidae: Heliophaninae), Revista Brasileira de Zoologia 25 (1), pp. 139-147 : 142-143

Helvetia galianoae sp. nov.

Figs 15-16

Helvetia albovittata ; Galiano, 1965: 47, figs 7-8 (only the male allotype, mismatched).

Type. Male holotype from San Javier , Misiones, Argentina, XI.1948, Birabén leg., deposited in MACN 5744 .

Etymology. The species is named in honour of the Argentine arachnologist María Elena Galiano.

Diagnosis. Males of this species are very similar to those of H. riojanensis by the shape of the RTA (see GALIANO 1965, fig. 3), from which they can be distinguished by having a more slender cymbium seen in ventral view ( Fig. 15 ) and shorter RTA branches ( Fig. 16 ).

Description. Male (holotype). Total length: 4.75. Carapace dark brown, 2.00 long, 1.25 wide, 0.90 high, with a narrow marginal stripe of white scales. Cephalic region black. Ocular quadrangle 0.90 long. Anterior eye row 0.95 wide and posterior 0.95 wide. Chelicera reddish brown. Endite, labium and sternum dark brown. Palp as in Figs 15 and 16 . Legs 1432, light brown, with longitudinal black stripes on the tibiae and metatarsi II-IV. Length of femur: I 1.05, II 0.75, III 0.80, IV 1.10; patella + tibia: I 1.70, II 0.95, III 0.95, IV 1.35; metatarsus + tarsus: I 0.90, II 0.60, III 0.90, IV 1.05. Spination. Femur I, II, III, IV d1- 1; tibia I 0, II v1 pr, III v1 di, IV v2 di; metatarsus I, II v2-2, III v1 di, p1, r1, IV v2 di, p1, r1. Abdomen dark brown, with two transverse white marks. Anterior and posterior spinnerets brown.

Female. Unknown.

Additional material examined. None.

Distribution. Known only from Misiones, Argentina.

Figures

Figures 15-20. Left palp of (15-16) Helvetia galianoae: (15) ventral view̡ (16) retrolateral view; (17-18) Helvetia humillima: (17) ventral view̡ (18) retrolateral view; (19-20) Helvetia stridulans: (19) vental view̡ (20) retrolareal view. Bars = 0.25 mm.