Mago intentus O. Pickard-Cambridge, 1882

Ruiz, Gustavo R. S., Maddison, Wayne P. & Galiano, Maria Elena, 2019, A revision of the concept of Mago O. Pickard-Cambridge, 1882, and proposal of a new genus (Araneae: Salticidae: Amycini), Zootaxa 4658 (1), pp. 124-140 : 129-130

Mago intentus O. Pickard-Cambridge, 1882

Figs 1–9

Mago intenta O. Pickard-Cambridge, 1882: 439 , pl. 31, fig. 14 (male holotype from uncertain locality in the Amazon, Traill leg., deposited in Oxford University Museum, examined, described and illustrated by MEG).

Mago intentus: Galiano 1968 (340); World Spider Catalog 2019.

Reconstructed etymology. Latin adjective (= intent, determinate, alert).

Diagnosis. The male of Mago intentus differs from that of M. brimodes sp. nov. by having a longer embolus ( Fig. 6 ; compare with Fig. 28 ). Female is unknown.

Redescription. Male (holotype). Total length: 3.37. Carapace 1.77 long, 1.47 wide and 1.12 high, reddish brown, with brown cephalic region, covered with abundant brown setae. Anterior border with a series of reddish setae. Behind these, on each side, a small band of grayish setae. Ocular quadrangle 0.89 long. Cephalic region almost plane. Anterior eye row 1.30 wide, posterior 1.42 wide. Distance between PME and ALE: 0.20; between PME and PLE: 0.22. Diameter of AME: 0.50. Clypeus 0.20 high, with marginal beard of yellowish white hairs. Fovea slightly behind posterior border of PLE, at a depression ( Fig. 1 ). Anterior half of thoracic region at the same level of cephalic region, then with an abrupt decline, becoming almost vertical ( Fig. 2 ), with a narrow marginal stripe of yellowish setae, interrupted in the middle. Sternum reddish brown, convex, 0.60 long, 0.56 wide ( Fig. 4 ). Labium reddish brown, 0.35 long, 0.30 wide. Endite reddish brown, strongly convex, angled on external tips ( Figs 4–5 ), but with no apophysis or bumps. Chelicera reddish brown, vertical, straight; promargin with five separate teeth; retromargin with five small teeth; no teeth in the groove; fang with small dorsal carina; anterior face plane, with small mastidion ( Figs 3–4 ); external borders with poorly conspicuous transverse striae. Palp robust, with swollen patella ( Figs 8–9 ). Palpal femur 0.76 long, 0.22 wide; patella 0.43 long, 0.22 wide; tibia 0.18 long, 0.20 wide; cymbium 0.50 long. Palpal femur with a series of seven dorsal spines. Dorsal tip of femur and dorsal patella with abundant yellow hairs. Palpal tibia with RTA and RvTA ( Fig. 7 ); Bulb with long embolus ( Fig. 6 ). Legs with internal bump on coxae, more prominent on I ( Fig. 4 ). Trochanters also with ventral bump. Leg I robust. Patellae are narrow at their base and dilated in the middle. Leg III longer and more robust than IV. Tibiae III and IV distally dilated. Tarsi slightly dilated. Leg spination: femur I, II d1-1-1, p1di, III d1-1-1, p0-1-2, IV d1-1-1; patella I 0, II p1, III, IV r1; tibia I v2-2 -2, II v1 r-2-2, p1, III p1-1, r1-1, v1 rdi, IV p1, r1-1, v1 rdi; metatarsus I, II v2-2, III p1-2, r1-2, v1 r-1r, IV p1di, r1-2, v1 p-2. Leg I with abundant ventral setae, not forming fringe. Leg I reddish brown, with yellow metatarsus and tarsus; II–IV yellow, with dark articulations. Abdomen small and cordiform, dorsally yellow with three or four grayish chevrons, and with a pattern of red and white setae ( Fig. 1 ); ventrally yellow.

Female. Unknown.

Distribution. Known only from uncertain type locality in the Amazon.

Figures

FIGURES 1–5. Mago intentus, male: 1 dorsal; 2 carapace, lateral; 3 right chelicera, frontal; 4 mouthparts and sternum, ventral; 5 endites and labium, distal.

FIGURES 6–9. Mago intentus, male left palp: 6 ventral; 7 retrolateral; 8 dorsal; 9 retrolateral.

FIGURES 28–34. Mago brimodes sp. nov.: 28–32 male (28 left palp, ventral; 29 same, retrolateral; 30 mouthparts, ventral; 31 same, laterodistal; 32 sternum and left coxae, ventral); 33–34 epigyne (33 ventral; 34 cleared, dorsal).