Mago longidens Simon, 1900

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 : 456-457

Mago longidens Simon, 1900

Figs 7, 11 , 13 , 40–43 , 46

Mago longidens Simon, 1900: 57 (Male holotype from Tefé [3.39°S 64.65°W], Amazonas, Brazil, E. Simon, deposited in MNHN 1949, examined); Simon, 1901: 419, fig. 473; Caporiacco, 1954: 160, figs 54, 54a; Galiano, 1963: 389, pl. XXVI, figs 1–5; Platnick, 2014.

Diagnosis. Within the acutidens group, M. longidens Simon differs from all the other species by having only a rectangular median projection on the prolateral side of the embolus ( Fig. 40 ). Females seem to have copulation openings smaller than those of M. acutidens Simon and M. jurutiensis sp. nov., but larger than those of the remaining species ( Fig. 42 ).

Description. Male. See Galiano (1963: 389, pl. XXVI, figs 1–5).

Note. The prolateral median projection on the embolus of the holotype of M. longidens ( Fig. 40 ) seems to have been ignored in the redescription (see Galiano, 1963, pl. XXVI, fig. 3).

Female (MPEG 21098). Total length: 6.84. Carapace 3.32 long, 2.28 wide, 1.61 high. Length of ocular quadrangle: 1.80; anterior eye row 2.28 wide, posterior 2.09 wide. Legs 3412. Length of femur I: 1.90; II: 1.80; III: 2.37; IV: 2.18; patella+tibia I: 2.47; II: 2.18; III: 2.47; IV: 2.28; metatarsus+tarsus I: 1.61; II: 1.52; III: 2.09; IV: 2.28.

Additional material examined. FRENCH GUIANA: Réserve Naturelle National de la Trinité [4.583333°N 53.3°W], 3m 6f, X.2008 – XII.2010, C. Courtial ( MNHN); BRAZIL, Pará: Melgaço (Floresta Nacional de Caxiuanã) [1.792306°S 51.434028°W], 3m 1f, 11.VIII.1996, A.A. Lise ( MCTP 9461, 37173); Belém (Parque Estadual do Utinga) [1.421897°S 48.426539°W], 1m 1f, 2012, G.R.S. Ruiz ( MPEG 21097–21098); 5m 2f, 2011, E.L.S. Costa ( MPEG 21099–21105).

Distribution. Known from French Guiana and from the Brazilian states of Amazonas and Pará ( Fig. 46 ).

Figures

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

FIGURES 7 – 12. Mago spp. 7. M. longidens, bulb of male palp, ventral view; 8. M. delicatus sp. nov., bulb of male palp, ventral view; 9. M. acutidens, bulb of male palp, ventral view; 10. M. jurutiensis sp. nov., bulb of male palp, ventral view; 11. M. longidens, RTA, retrolateral view; 12. M. acutidens, RTA, dorsoretrolateral view.

FIGURES 13 – 18. Mago spp. 13. M. longidens, detail of embolus, ventral view; 14. M. delicatus sp. nov., detail of embolus, ventral view; 15. M. acutidens, detail of embolus, ventral view; 16. M. jurutiensis sp. nov., detail of embolus, ventral view; 17. M. jurutiensis sp. nov., left male chelicera, anterior view; 18. same, detail of mastidion.

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.