Zelotibia subsessa, Nzigidahera & Jocqué, 2009

Nzigidahera, Benoît & Jocqué, Rudy, 2009, An of Zelotibia (Araneae, Gnaphosidae), a spider genus with a species swarm in the Albertine Rift, ZooKeys 13 (13), pp. 1-28 : 20-21

Zelotibia subsessa sp. n.

urn:lsid:zoobank.org:act:9B3F05EE-83E5-4424-B812-5CB82DE80EE9

Figs 11 , 26 , 36 , 38

Material examined. Holotype. Female. BURUNDI: Parc National de la Kibira, Mont Musumba, S 02°52’ E 029°30’, 25.V.2008, 2352 m, pitfalls, Nzigidahera Benoît ( MRAC 226242 ).

Diagnosis. Females of Zelotibia subsessa are recognized by the epigyne with a very small anterior scape and the wide frontal depression showing copulatory openings connected by a groove.

Etymology. The specific name subsessa is derived from the Latin “ subsessus ” (from subsidere) meaning depressed and refers to the large frontal depression of the epigyne.

Description. Female holotype ( Fig. 11 ): Total length 5.60, Carapace 2.00 long, 1.60 wide. Carapace brownish orange suffused with brown striae radiating from fovea. Eyes AME area dark, anterior row recurved, posterior row straight. AME: 0.08; ALE: 0.08; PME: 0.08; PLE: 0.1; AME-AME: 0.03; AME-ALE: 0.02; PME-PME: 0.05; PME-PLE: 0.05. Chelicerae brownish orange, both margins with three teeth, thos of retromargin larger. Sternum pale brownish orange, darker brown and with long setae. Labium coloured pale brownish orange. Legs coloured brownish orange. Metatarsi III and IV with ventral preening comb at tip. Abdomen Dorsum greyish yellow, with long bristles at anterior end; venter pale yellow. Spinnerets pale yellowish. Epigyne ( Figs 26 , 36 ) with very small anterior scape, large transverse depression provided with copulatory openings, far apart, connected by groove. Copulatory ducts short, broad, sinuous, leading into globular spermathecae, adjacent over ½ their length.

Male unknown.

Distribution. Known only from the type locality Mt Musumba in the Kibira National Park, Burundi ( Fig. 38 ).

Figures

Figure 38. Type locality of Zelotibia angelica, Z. curvifemur, Z. fosseyae, Z. kibira and Z. subsessa

Figures 1-11. Habitus of Zelotibia 1 Zelotibia angelica sp. n. female; 2 Z. curvifemur sp. n., female; 3 male; 4 Z. fosseyae sp. n., female; 5 Z. johntony sp. n., female; 6 Z. kanama sp. n., female; 7 Z. kibira sp. n., female; 8 Z. lejeunei sp. n., female; 9 Z. major, female; 10 Z. paucipapillata, female; 11 Z. subsessa sp. n., female.

Figures 17-26. Epigynes, ventral view 17 Zelotibia angelica sp. n.; 18 Z. curvifemur sp. n.; 19 Z. fosseyae sp. n., female; 20 Z. johntony sp. n.; 21 Z. kanama sp. n.; 22 Z. kibira sp. n. 23 Z. lejeunei sp. n. 24 Z. major; 25 Z. paucipapillata; 26 Z. subsessa sp. n., (scale bar 0.2 mm).

Figures 27-36. Epigynes, ventral view 27 Zelotibia angelica sp. n.; 28 Z. curvifemur sp. n.; 29 Z. fosseyae sp. n., female; 30 Z. johntony sp. n.; 31 Z. kanama sp. n.; 32 Z. kibira sp. n. 33 Z. lejeunei sp. n. 34 Z. major; 35 Z. paucipapillata; 36 Z. subsessa sp. n., (scale bar 0.2 mm).