Revision of the spider genus Ischnocolus Ausserer, 1871 (Mygalomorphae: Theraphosidae: Ischnocolinae)
Author
Guadanucci, José Paulo Leite
Departamento de Ciências Biológicas, Laboratório de Zoologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil;
Author
Wendt, Ingo
Fg. Tierökologie, Institut für Zoologie, Universität Hohenheim, Stuttgart, Germany
text
Journal of Natural History
2013
J. Nat. Hist.
2013-10-03
48
7 - 8
387
402
http://dx.doi.org/10.1080/00222933.2013.809492
journal article
7025
10.1080/00222933.2013.809492
d7823132-4519-4d6d-b9fb-8031de1b7757
1464-5262
4632171
Ischnocolus hancocki
Smith
, 1990
(
Figure 4A
)
Ischnocolus hancocki
Smith
1990: 127
, f. 803–818 (Df).
Type material
Holotype
female (
BMNH
1990.10.15.2) from
El Araich
,
Morocco
, examined.
Additional material
MOROCCO
: El Araich: 1f (
ZMUC
8166); 1f (
ZMUC
8169); 1f (
ZMUC
8167); 1f (
ZMUC
8168); 1f and juveniles (
ZMUC
620).
Diagnosis
Female representatives can be distinguished from congeners by the triangular apical segment of the posterior lateral spinnerets and by the spermathecae formed by triangular receptacula lacking lobes (
Figure 4A
). Males unknown.
Description
Female (BMNH 1990.10.15.2). Total length 24.8. Carapace: length 8.6; width 6.6. Eye tubercle: length 1.2; width 1.5. Labium: length 1.1; width 1.7. Sternum: length 3.9; width 3.5. Cheliceral basal article with eight teeth. Labium as wide as long bearing more than 40 cuspules. Maxillae with more than 70 cuspules. Sternum oval, posterior sigilla marginal. Thoracic fovea wide, slightly procurved. Palp: femur 4.1
/
patella 2.7
/
tibia 2.2
/
tarsus 2.2
/
total 11.2. Legs
I
: femur 5.5
/
patella 3.9
/
tibia 3.5
/
metatarsus 3
/
tarso 2
/
total 17.9.
II
: 4.7
/
3.5
/
2.8
/
2.7
/
2
/
15.7.
III
: 4.3
/
2.7
/
2.2
/
3
/
2
/
14.2.
IV
: 5.7
/
3.3
/
4.1
/
4.3
/
2.4
/
19.8. Spines: Tarsi without spines. Palp: femur (d) 0-0-p1, tibia (v) ap3, (p) 0-1-0. Legs:
I
: femur (d) 0-0-p1, tibia (v) 1-1-ap1, (p) 0-0-1, metatarsus (v) 1-0-p1.
II
femur (d) 0-0-p1, tibia (p) 0-1-0, (v) 1-1-ap1, metatarsus (v) 0-1-0.
III
femur (d) 0-0-2, patella (p) 2, (r) 2, tibia (p) 1-0-0, (r) 1-1-0, (v) 2-2-ap2, metatarsus (p) 2-2-2, (r) 0-2-2, (v) 1-1-ap2.
IV
: femur (d) 0-0-r1, patella (r) 2, tibia (v) 2-3-ap2, (r) 1-3-1, metatarsus (v) 3-3-ap3, (p) 1-1-1, (r) 0-2-2. Spermathecae formed by two triangular receptacula, as wide as long, without lobes (
Figure 4A
). Scopula on metatarsi: I totally occupied, II three-quarters occupied, III half occupied, IV one-quarter occupied. Scopula on tarsi: I–IV divided by a longitudinal band of setae. Tarsal claws without teeth. Eyes: anterior row procurved, posterior recurved, clypeus narrower than the diameter of anterior median eyes. Posterior lateral spinnerets three-segmented, apical article triangular. Abdomen with a dorsal striped pattern.