Mago similis, Patello, Thyago J. C. & Ruiz, Gustavo R. S., 2014

Patello, Thyago J. C. & Ruiz, Gustavo R. S., 2014, Revision of the acutidens group of Mago (Araneae: Salticidae: Amycinae), Zootaxa 3786 (4), pp. 443-457 : 451-456

Mago similis sp. nov.

Figs 37–39 , 46

Holotype: male from Sítio Barroso, Juruti, Pará, Brazil (2.461583°S 56.003222°W), 06.VI.2007, N.F. Lo-Man- Hung ( MPEG 20953). Paratypes: one male and one female with same data, except for 12.VIII.2008, L.T. Miglio ( MPEG 20937); one female with same data, except for 11.II.2007, J.A.P. Barreiros ( MPEG 20952); one female with same data, except for (2.464278°S 56.002389°W), 12.VIII.2008, L.T. Miglio ( MPEG 20977).

Etymology. The epithet is a Latin adjective and refers to the similarity of the male palp with those of other species of the group, causing the late recognition of this species.

Diagnosis. This species is similar to M. delicatus sp. nov. and M. balbina sp. nov. by having an acute median projection only on the prolateral side of the embolus, but can be recognized by the embolus tip, more robust and curved distally ( Fig. 37 ). Females of this species differ from the others within the acutidens group by the round copulation openings near the posterior border of the epigynal plate ( Figs 38–39 ).

Description. Male (holotype). Total length: 6.27. Carapace 3.32 long, 2.28 wide, 1.90 high. Length of ocular quadrangle: 1.71; anterior eye row 2.09 wide, posterior 1.80 wide. Legs 1342. Length of femur I: 2.18; II: 1.90; III: 2.47; IV: 2.09; patella+tibia I: 3.04; II: 2.09; III: 2.47; IV: 2.18; metatarsus+tarsus I: 1.99; II: 1.71; III: 2.09; IV: 2.18.

Female (paratype MPEG 20977). Total length: 6.65. Carapace 3.42 long, 2.47 wide, 1.80 high. Length of ocular quadrangle: 1.90; anterior eye row 2.37 wide, posterior 2.18 wide. Legs 3412. Length of femur I: 1.80; II: 1.90; III: 2.56; IV: 2.18; patella+tibia I: 2.37; II: 2.18; III: 2.47; IV: 2.37; metatarsus+tarsus I: 1.61; II:1.52; III: 2.09; IV: 2.18.

Variation. Males (n=9). Total length: 5.89–7.41; length of carapace: 3.13–3.80; length of leg I: 7.12–9.40.

Additional material examined. BRAZIL, Pará: Juruti (Base Capiranga, 2.383333°S 56.333333°W), 1m, 14.IV.2006, B.V.B, Rodrigues ( MPEG 20926); (Sítio Barroso, 2.464278°S 56.002389°W), 2m, 24.V.2009, N. Abrahim & N.C. Bastos, ( MPEG 20936, 20943); 1m, 0 3.III.2006, D.R. Santos-Souza ( MPEG 20951); (2.461583°S 56.003222°W), 2m, 07.VI.2007, N.F. Lo-Man-Hung ( MPEG 20954); (Sítio 3 Irmãos, 2.462639°S 56.014167°W), 1m, 12.VIII.2008, N.F. Lo-Man-Hung ( MPEG 20928); (Linha 168E, 2.472806°S 56.208167°W), 1m, 20.V.2009, N. Abrahim ( MPEG 20956).

Distribution. Known only from the type locality, in the state of Pará ( Brazil) ( Fig. 46 ).

Figures

FIGURE 46. Distribution records for Mago longidens (red squares) and M. similis sp. nov. (orange circles).

FIGURES 37 – 43. Mago spp. 37. male holotype of M. similis sp. nov., palp, ventral view; 38. female, epigynal plate, ventral view; 39. same, dissected and cleared, dorsal view; 40. male holotype of M. longidens, palp, ventral view; 41. same, chelicera, anterior view; 42. female, epigynal plate, ventral view; 43. same, dissected and cleared, dorsal view. Scale bar (37, 40) = 0.5 mm; (38 – 39, 41 – 43) = 0.25 mm.