Jumping spiders (Arachnida, Araneae, Salticidae) from the Nimba Mountains in Guinea
Author
Rollard, Christine
Muséum national d’Histoire naturelle, Laboratoire de Zoologie (Arthropodes), 61 rue Buffon, F- 75231 Paris cedex 05 (France) chroll @ mnhn. fr
chroll@mnhn.fr
Author
Wesołowska, Wanda
Zoological Institute, Wrocław University, Sienkiewicza 21, PL- 50335 Wrocław (Poland) tomwes @ biol. uni. wroc. pl.
text
Zoosystema
2002
24
2
283
307
journal article
10.5281/zenodo.5394616
1638-9387
5394616
Gramenca prima
n. sp.
(
Fig. 7
)
TYPE MATERIAL
. —
Holotype
: road to Bakoré,
Andropogon
steppe,
500 m
a.s.l.
,
8.X.1956
, leg.
M. Lamotte
,;
paratype
: together with
holotype
, 1.
ETYMOLOGY. — The specific name is Latin for “first”; this species is the first member of the genus.
DIAGNOSIS. — The species may be recognised by the size and shape of the epigyne, the course of the very long seminal ducts and the presence of two median epigynal pockets.
DESCRIPTION
Male unknown.
Female. Measurements: carapace length 1.4-1.5, width 1.1, height 0.6-0.7. Abdomen length 1.5- 1.7, width 1.1-1.3. Eye field length 0.7-0.8, anterior and posterior width 1.0. Leg spination: I Fm d 1-1-1, Tb v 2-2-2, Mt v 2-2; II Fm d 1-1-2, Tb v 2-2-2, Mt v 2-2; III Fm d 1-1-2, Pt rl 1, Tb pl and rl 1-1, v 1ap, Mt pl and rl 1-1, v 2-2ap; IV Fm d 1- 1-1, Tb pl and rl 1-1, v 2ap, Mt pl and rl 1-1, v 2- 2ap. General appearance as in
Fig. 7A
. Small spider, with high carapace and large rectangular eye field. Carapace brown, ocular area darker, eyes surrounded by black rings. Sparse prostrate hairs on carapace, long brown setae in vicinity of eyes. Chelicerae brown, two teeth on promarginal edge and single big tooth on retromargin (
Fig. 7B
). Clypeus low, labium and maxillae light brown, sternum orange. Abdomen greyish-beige, with traces of light pattern formed by small dots, along its middle. Venter yellowish. Some brown setae at anterior abdominal margin. Spinnerets yellowishgrey. Legs yellow, with brown rings on their femora, patellae and tibiae. Leg hairs short, spines light brown, long. Epigyne large, elongated, more or less pentagonal, with two pockets in its centre (
Fig. 7C
). Seminal ducts very long and thin, narrowing before their outlet to receptacles.
C
FIG. 7. —
Gramenca prima
n. gen., n. sp.
, paratype;
A
, general appearance, lateral view;
B
, cheliceral dentition;
C
, epigyne;
D
, internal structure of epigyne. Scale bars: A, 2 mm; B, 0.2 mm; C, D, 0.1 mm.
Receptacles small, kidney-shaped, with short accessory glands in their walls (
Fig. 7D
).