Seven new species of Enna (Araneae: Trechaleidae) from Central and South America
Author
Cruz, Estevam L.
Author
Silva, Da
Author
Lise, Arno A.
text
Zootaxa
2011
2919
60
68
journal article
46646
10.5281/zenodo.206513
3c536076-5504-4715-9a96-930397f8e6ce
1175-5326
206513
Enna venezuelana
new species
Figs 7, 8
Type
.
Female
holotype
from Tach,
20 km
from San Cristo,
Venezuela
[
10°30’00.22”N
, 66°55’00.13’W],
20– 22.V.1974
, S. Peck (
MCZ
).
Etymology.
The specific name is a noun and refers to the
type
locality.
Diagnosis.
The females of
E. venezuelana
sp. nov.
resembles those of
E. baeza
Silva, Lise & Carico, 2008
by the general shape of the middle field (MF) of the epigynum (
Silva
et al
. 2008
, p. 93, fig. 79), but can be distinguished by the presence of conspicuous lateral lobes (LL) (
Fig. 7
) and by the absence of distal projections on the head of spermathecae (
Fig. 8
).
Description.
Female (
Holotype
, Tach,
Venezuela
, MCZ). Total length 9.51. Carapace, 4.15 long, 3.56 wide, light brown, darker laterally; fovea with dark mark. Clypeus light brown with small dark bristles anteriorly, 0.36 high. Anterior eye row straight, 0.98 wide; posterior 1.78 wide. Eye diameters, interdistances, and median ocular quadrangle: AME 0.20, ALE 0.16, PME 0.26, PLE 0.28; AME-AME 0.12, AME-ALE 0.10, PME-PME 0.44, PME-PLE 0.34, OQA 0.46, OQP 0.96, OQH 0.62. Chelicerae reddish-brown, bristly; promargin and retromargin of fang furrow with three teeth equidistant and equal in size. Sternum yellow, scattered setae; 1.90 long, 1.99 wide. Labium dark brown, light distally, 0.58 long, 0.74 wide. Legs light brown with dark brown spots on femora, relative length: IV-I-II-III. Leg measurements: I—femur 5.58/ tibia-patella 7.98/ metatarsus 5.98/ tarsus 2.52/ total 22.06; II—6.11/ 5.98/ 5.85/ 2.26/ 20.20; III—5.32/ 5.95/ 4.78/ 1.72/ 17.77; IV—5.98/ 7.71/ 6.65/ 2.22/ 22.56. Ventral pairs of macrosetae on tibiae:
I-4
;
II-4
;
III-3
;
IV-3.
Abdomen 5.22 long, dark brown with two pairs of sigilla. Venter grayish, unmarked. Middle field of the epigynum (MF) with a small, short scape-like projection (
Fig. 7
). Head of spermathecae rounded and with conspicuous fertilization ducts (FD) (
Fig. 8
).
Distribution.
Known only from the
type
locality (Tach,
Venezuela
).
Male.
Unknown.