Description of Almafuerte, a new genus of ground spiders from South America (Araneae, Gnaphosidae)
Author
Grismado, Cristian J.
Author
Carrión, Nicolás López
text
Zootaxa
2017
2017-10-25
4338
2
263
291
journal article
31742
10.11646/zootaxa.4338.2.3
f1edbdd7-dc18-4c34-b236-fb45c9401096
1175-5326
1036109
BE839A35-8A0D-4949-907D-0DDE68A77356
Almafuerte goloboffi
sp. nov.
(
Figs. 18
,
20 a–d
,
22b
)
Types
.
Holotype
male from
Argentina
:
Salta Province
:
Departamento General José de San Martín
:
Campamento Vespucio
,
V.1983
,
P. Goloboff
coll. (MACN-Ar 35570, prep. CJG 1519)
.
Paratypes
:
Jujuy Province
:
Departamento Santa Bárbara
:
Termas
del
Palmar
;
2.X.1948
, without collector,
1 female
(MACN-Ar 35565, prep. CJG 1521)
;
Salta Province
:
Departamento Guachipas
:
El Hongo
,
7 km
S
Alemanía
, ruta
68 km
78.5,
18.IX.2005
, M.
Ramírez
&
M. Arnedo
coll.,
1 female
(MACN-Ar 10771, prep. CJG-1483).
Etymology.
The specific name is a patronym in honor to Pablo A. Goloboff, collector of the
holotype
and many other interesting species at the
type
locality.
Remarks.
Males and females were not collected in the same locality, they are matched mainly by geographical proximity (about
180 km
) and, especially, by the similar biotopes in where two of the three known specimens were collected (Campamento Vespucio and Termas del Palmar belong to the Yungas biogeographic Province).
Diagnosis.
The male of
A. goloboffi
is recognized by the very conspicuous, nearly digitiform, ventral protrusion of the tegulum (
Figs. 18 d
,
20 b
). The RTA is similar to that of
A. facon
sp. nov.
, but the ventral branch of the RTA is more curved, and also differs by having a distal ventral retrolateral ledge on the palpal patella (
Fig. 20 b
). Other structures of the bulb are similar to those of
A. remota
, but the latter species lacks a ventral ventral tegular protrusion (see above). Females resemble to those of
A. remota
and
A. giaii
by the laterally located copulatory openings, but they are located behind two procurved, U-shaped areas (
Figs. 18 h, i
; 20 c, d).
Description.
Male
holotype
: Measurements: Total length 6.6, carapace 3.12 long, 2.29 wide; sternum 1.62 long, 1.27 wide. Eye sizes and interdistances: AME 0.145, ALE 0.17, PME 0.162, PLE 0.132; AME-AME 0.0828, AME-ALE 0.0768, PME-PME 0.0689, PME-PLE 0.0293, ALE-PLE 0.0389. Legs (femur/patella/tibia/metatarsus/ tarsus); I 2.27/1.42/1.81/1.42/1.02, II 2.02/1.28/1.46/1.33/0.947, III 1.76/0.982/1.17/1.32/0.85, IV 2.32/1.27/1.8/ 1.99/.958. Leg spination: femora: I d1-1, p0-0-1; II d1-1-0, pd 0-1-1-1; III d1-1-0, pd0-1-1, rd 0-1-1; IV d1-1-0, rd 0-0-1; patellae: I r1, III r1, IV r1; tibiae: I p1-0-1,
v2-2
-2ap, II pd0-1, p1-0-1,
v1-2
-2ap, III d1-0-0, pd1, p1-1,
v2-2
- 2ap, rd1-0; IV p1-1-1,
v2-2
-2ap, r1-1; metatarsi I p0-1-1,
v2-2
, r0-0-1, II p0-1-1,
v2-2
, r0-0-1, III d0-2-2, p1-1-0,
v2-2
-2ap, r1-1-0-1, IV d0-2-0-2, p1-1-0-1,
v2-2
-2ap, r1-1-0-1. Palp (
Fig. 20 a, b
): Conductor with wide base but then narrowed, with a small, more sclerotized area on the retrolateral side. The ventral protrusion of the tegulum has wrinkled texture, and the RTP is relatively small. All other characters are common for the genus.
Female
paratype
(MACN-Ar 10771): Measurements: Total length 6.18, carapace 2.84 long, 2.17 wide; sternum 1.59 long, 1.34 wide. Eye sizes and interdistances: AME 0.125, ALE 0.113, PME 0.156, PLE 0.118; AME-AME 0.0867, AME-ALE 0.0502, PME-PME 0.0 565, PME-PLE 0.120, ALE-PLE 0.502. Legs (femur/ patella/tibia/metatarsus/tarsus); I 1.95/1.24/1.51/1.13/0.834, II 1.69/1.10/1.23/1.03/0.761, III 1.53/0.911/1.01/1.11/ 0.736, IV 2.14/1.18/168/1.82/0.869. Leg spination: femora: I d1-1, p0-0-1; II d1-1, pd 0-1-1; III d1-1-0, p1-1,
v2-2
- 0-2ap, rd1-1-0-1; IV d1-1-0, rd 0-1-1; patellae: III r1, IV r1; tibiae: III d1-1-0, pd1, p1-1,
v2-2
-0-2ap, rd1-1-0-1, IV p1-0-1,
v2-2
-0-2ap, r0-1-1; metatarsi I
v2
-0-0, II
v2-1
-1, III d0-2-0-2, p1-1-0-1,
v2
-0-1-0-2ap, r0-1-0-1, IV d0-2-0- 2, p1-1-0-1,
v2-2
-0-2ap, r1-1-0-1. Epigynum (
Figs. 18 h, i
; 20 c, d): Anterior hood small, the area in front to the copulatory region has a nearly triangular area more sclerotized; the copulatory openings are laterally located, behind procurved, U-shaped areas. All other characters are common for the genus.
Natural history and habitat preferences
. Unknown. Campamento Vespucio and Termas del Palmar are localities that belong to the subtropical, humid mountain forests (Yungas Biogeographic Province). El Hongo is, in contrast, a place located in the “Valles Calchaquíes”, a mostly xerophytic area belonging to the biogeographic Province of Monte, in the South American Transition Zone (
Morrone 2014
).
Material examined.
Only the types.
Distribution.
Salta
and
Jujuy
provinces,
Argentina
.