Evarcha certa, Rollard & Wesołowska, 2002

Rollard, Christine & Wesołowska, Wanda, 2002, Jumping spiders (Arachnida, Araneae, Salticidae) from the Nimba Mountains in Guinea, Zoosystema 24 (2), pp. 283-307 : 290

Evarcha certa n. sp.

( Fig. 5 )

TYPE MATERIAL. — Holotype: Mountain Tô , meadow, 1200 m a.s.l., 10.XII.1951, leg. M. Lamotte & R. Roy,.

ETYMOLOGY. — The specific name is Latin for “unquestionable”, and accentuates the generic membership of this species.

DIAGNOSIS. — The species is characterised by the structure of the epigyne; seminal ducts longer than in other members of the genus and receptacles composed of only few chambers.

DESCRIPTION

Male unknown.

Female. Measurements: carapace length 2.3, width 1.8, height 0.8. Abdomen length 2.3, width 1.8. Eye field length 1.0, anterior and posterior width 1.6. General appearance as in Fig. 5A . Carapace rather high, with large eye field. Coloration of carapace light brown, ocular area darker, surroundings of eyes black. Few long bristles near eyes, very small yellowish scales surround anterior eyes. Clypeus low, light. Labium light brown with whitish tip, maxillae and sternum orange. Chelicerae light brown, single tooth on retromargin and two teeth on promargin. Abdomen fawnish-yellow with paler pattern ( Fig. 5A ), venter yellow, only few dark small dots on it. Spinnerets yellowish. Legs yellowish-orange clothed in light hairs. Spines brown. Epigyne oval, rather heavy sclerotized, with copulatory openings placed posteriorly ( Fig. 5B ). Internal structure shown in Fig. 5C .

Figures

FIG. 5. — Evarcha certa n. sp., holotype; A, general appearance, dorsal view; B, epigyne; C, internal structure of epigyne. Scale bars: A, 2 mm; B, 0.3 mm; C, 0.2 mm.