Description of two new spider genera of Trechaleidae (Araneae: Lycosoidea) from Northern Brazil
Author
Silva, Estevam Luís Cruz Da
Author
Lise, Arno Antonio
text
Zootaxa
2006
1275
61
68
journal article
10.5281/zenodo.173319
34d1bd96-0917-441f-a3c7-dc0aefe486bb
11755326
173319
Amapalea brasiliana
sp. n.
Figs 1–5
,
13–17
Types
. ɗ
holotype
(MCTP 17193) from Macapá, Amapá,
Brazil
,
24.–28.I.2004
, R. A. Silva leg., 2 ɗ
paratypes
(MCTP 17033), also without abdomen, same location of the
holotype
.
Etymology
. The specific name is an adjective and refers to the country of origin.
Diagnosis
. This species can be distinguished from
Trechalea
and
Paradossenus
by the presence of a projection in the tegulum (
Figs 3
,
14
) and a lateral protrusion of ventral division of median apophysis (LPV) (
Figs 3
,
14
).
Description
. ɗ (
holotype
). Carapace, 1.36 long, 1.24 wide, grayish, with two yellowish lateral bands, with brownish border, dorsum with brown dark spots and with three white lines near the fovea (
Fig. 1
). Chelicerae yellowish, faces brownish with vertical bands, almost glabrous medially with light setae on distal onethird of its length. Endites orange, 0.16 long, 0.09 wide; labium light brown, 0.18 long, 0.22 wide; sternum yellow, unmarked, 0.68 long, 0.65 wide. Legs yellowish, brownish dorsally. Abdomen missing. Clypeus 0.55 long, 0.03 high; dark at anterior margin. Anterior eye row moderately procurved, 0.40 wide; posterior recurved, 0.62 wide. Eye diameters, interdistances and ocular quadrangle: AME 0.09, ALE 0.06, PME 0.12, PLE 0.06; AME –AME 0.06, AME–ALE 0.03, PME–PME 0.09, PME–PLE 0.09, MOQ, 0.15 long, dorsal view, 0.19 frontal view, anterior width 0.09, posterior 0.23. Leg measurements: I femur 2.26/ patellatibia 2.94/ metatarsus 2.23/ tarsus 1.11/ total 8.54; II 2.01/ 2.54/ 1.86/ 0.96/ 7.37; III 0.86/ 0.99/ 1.05/ 0.43/ 3.33; IV 1.02/ 1.05/ 1.11/ 0.40/ 3.58. Tarsal claws with elongated teeth (
Fig. 16
). Bothrium of trichobothria with distinct hood (
Fig. 17
). Palpus (
Figs 2–5
,
14
) presenting a ventral protrusion pointing retrolaterally (
Fig. 3
) and three large spines, two positioned laterally in dorsal view and one dorsal. The retrolateral tibial apophysis presents only one branch (ectal division) with the distal portion curved (
Figs 3–5
,
15
). Ventrodistal protuberance of palpal tibia prominent, retrolaterally projected (
Fig. 3
).
Distribution
.
Brazil
(Amapá) (
Fig. 13
).