Corambis jacknicholsoni, Patoleta & Żabka, 2019

Patoleta, Barbara & Żabka, Marek, 2019, Salticidae (Arachnida: Araneae) of New Caledonia: Genus Corambis Simon, 1901, European Journal of Taxonomy 578, pp. 1-18 : 8-10

Corambis jacknicholsoni sp. nov.

urn:lsid:zoobank.org:act:4210054D-94C4-4169-81A7-56B035242EED

Figs 4–5 , 10

Diagnosis

Differs from other species of the genus by its hook-like embolus ( Fig. 4 E–F) and the lateral location of ag 2 in females ( Fig. 5G ).

Etymology

This beautiful spider is named for Mr. Jack Nicholson, the great American actor, three times Oscar winner.

Material examined

Holotype

NEW CALEDONIA • ♂; Plaine du champ de Bataille; 22°18′ S, 166°44′ E; 43 m a.s.l.; 17 Dec. 2006; R. Dobosz leg.; MNHN (previously USMB 9 ).

Paratypes

NEW CALEDONIA • 1 ♂, 1 ♀; same collection data as for holotype; MNHN .

Other material

NEW CALEDONIA • 1 ♀, 1 juv.; Noumea , Anse vata; 22.3004763° S, 166.44329° E; 1–4 Apr. 1985; A.D. Austin leg.; low vegetation; sweeping; WAM T47813 • 1 ♀; Yahoué ; 22.12° S, 166.30° E; 100 m a.s.l.; Nov 1986; N.L.H. Kraus leg.; AMNH • 1 ♀; Île des Pins ; 22.615° S, 167.48167° E; 1 Oct. 1977; Gadji e kereg; HNHM 2009 • 1 ♀, 2 juv.; Pindai ; 21.35° S, 164.966667° E; 5 Jan. 1993; Chazeau, Giulbert and Bonnet de Larbogne leg.; sclerophyllic forest; fogging; MNHN • 2 ♂♂, 2 ♀♀, 1 juv.; same collection data as for preceding; 14 Apr. 1993; MNHN • 1 ♀, 1 juv.; same collection data as for preceding; 30 Jun 1992; MNHN • 1 ♂; Mandjelia ; 20°24′ S, 164° 32′ E; 12 Jan. 2007; R. Dobosz leg.; USMB • 1 ♀; Gue de la Purina ; 22.027681° S, 166.732878° E; 22 Dec. 2006; R. Dobosz leg.; beating; USMB • 1 ♀; Pic du Grand Kaori ; 22°17′ S, 166°59′ E; 239 m a.s.l.; 26 Dec. 2006; R. Dobosz leg.; USMB • 3 ♂♂, 1 ♀, 2 juv.; Koumac , Nehué; 20.546602° S, 164.272576° E; 1 Aug. 1982; beating; HNHM • 1 ♀; Riviere Bleue ; 22.1051° S, 166.70° E; 16 July 1992; Chazeau, Guilbert and Bonnet de Larbogne leg.; dense forest; P6 [Parcel 6?]; fogging; MNHN • 1 ♂; same collection data as for preceding; 21 Oct. 1992; MNHN • 1 ♀; same collection data as for preceding; 21 Dec. 1992; MNHN • 2 ♀♀; same collection data as for preceding; 20 Jan. 1993; MNHN • 1 ♀, 1 juv.; Wao Umi (Ichamba Forest); 21° S, 165°15’ E; 390 m a.s.l.; 15 Jan. 2007; R. Dobosz leg.; USMB .

Description

Male

Cephalothorax centrally beige, sides brown. Abdomen very narrow and elongate, along central part beige with darker chevrons. Sides dirty brown with longitudinal indentation. Venter beige with two darker lines. Clypeus brownish. Chelicerae, maxillae and labium dirty orange. Sternum contrasting light. First legs dirty brown on sides, dorsally and ventrally lighter. Patellae with fringes of hairs. Other legs yellowish, delicate. Pedipalps light yellowish. Tegulum ovoid with posterior lobe, embolus hooklike, tibial apophysis large, spatulate with dorsal furrow ( Fig. 4 E–G). Dimensions: CL 2.69, CW 1.56, CH 0.66, EFL 1.01, AEW 1.24, PEW 1.23, AL 4.15, AW 1.05.

Female

Cephalothorax along central part yellowish-grey, sides darker. Anterior and median eye surroundings brownish, PLE black. Abdomen beige, with delicate chevrons. Clypeus orange-grey, chelicerae light brown, pedipalps light grey, maxillae and labium grey. Sternum contrastingly light, venter beige. First legs dirty orange, patellae with no fringe. Other legs yellowish, delicate. Epigyne and internal genitalia as in Fig. 5 F–H. Copulatory openings oriented laterally, insemination ducts shorter and joining spermathecae in their posterior parts (close to epigastric furrow). Spermathecae three-chambered. Dimensions: CL 2.22, CW 1.39, CH 0.61, EFL 0.92, AEW 1.08, PEW 1.07, AL 3.94, AW 1.10.

Figures

Fig. 4. Corambis jacknicholsoni sp. nov., holotype, ♂ (MNHN). A–C. Dorsal, ventral and frontal views. D. Chelicerae, maxillae and labium. E–G. Palpal organ. Scale bar: A = 1 mm.

Fig. 5. Corambis jacknicholsoni sp. nov., paratype, ♀ (MNHN). A–D. Dorsal, ventral, lateral and frontal views. E. Chelicerae, maxillae and labium. F. Epigyne. G–H. Internal genitalia. Scale bar: A = 1 mm.

Fig. 10. Recorded localities of C. jacknicholsoni sp. nov. (circle) and C. pantherae sp. nov. (triangle) in New Caledonia and the Loyalty Islands.