A revision of the concept of Mago O. Pickard-Cambridge, 1882, and proposal of a new genus (Araneae: Salticidae: Amycini)
Author
Ruiz, Gustavo R. S.
Author
Maddison, Wayne P.
Author
Galiano, Maria Elena
text
Zootaxa
2019
2019-08-21
4658
1
124
140
journal article
25958
10.11646/zootaxa.4658.1.5
aec44da6-3bb9-4130-a87e-c0cb11cbc2e7
1175-5326
3373137
2E0CE5D2-64DA-4EC0-A76F-61E9B3A55902
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.
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.
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.