Kochosa nigra, Framenau & Castanheira & Yoo, 2023

Framenau, Volker W., Castanheira, Pedro De S. & Yoo, Jung-Sun, 2023, The artoriine wolf spiders of Australia: the new genus Kochosa and a key to genera (Araneae: Lycosidae), Zootaxa 5239 (3), pp. 301-357 : 331

publication ID	https://doi.org/ 10.11646/zootaxa.5239.3.1
publication LSID	lsid:zoobank.org:pub:BF1FF837-56D5-4829-8D46-E821D9D31AB3
DOI	https://doi.org/10.5281/zenodo.7634839
persistent identifier	https://treatment.plazi.org/id/193AC81C-001C-FFE4-FF3C-FC011C4465E7
treatment provided by	Plazi
scientific name	Kochosa nigra
status	sp. nov.

Treatment

Kochosa nigra sp. nov.

( Figs 13 View FIGURE 13 , 17A–C View FIGURE 17 )

Holotype. Female, Blackdown Tableland, via Dingo (23º50'S 149º03'E, Queensland, AUSTRALIA), R. J. Raven, 1–6 February 1981, pitfall traps ( QM S71611 View Materials ). GoogleMaps

Etymology. The specific epithet is an adjective in apposition derived from the Latin nigra (= black) and refers to the type locality, Blackdown Tableland.

Other material examined. Only known from holotype.

Diagnosis. Females of K. nigra sp. nov. are most similar to K. confusa sp. nov. due to their triangular raised median septum of the epigyne ( Figs 11C View FIGURE 11 , 17C View FIGURE 17 ). However, in K. nigra sp. nov. the edge of the median septum is not connected medially ( Fig. 17C View FIGURE 17 ), whereas it is continuous in K. confusa sp. nov ( Fig. 11C View FIGURE 11 ).

Description.

Male. Unknown.

Female ( based on holotype, QM S71611 View Materials ) .

Cephalothorax. Dorsally olive-brown with darker radial pattern; median light band narrowing posteriorly ( Fig. 17A View FIGURE 17 ). Sternum dark brown with scattered small light spots ( Fig. 17B View FIGURE 17 ).

Abdomen. Dorsally dark olive-brown; mottled with light brown small spots; cardiac mark yellow-brown and continuous, narrowing posteriorly ( Fig. 17A View FIGURE 17 ). Venter light olive-brown; spinnerets yellow-brown ( Fig. 16B View FIGURE 16 ).

Epigyne ( Fig. 17C View FIGURE 17 ). Ventral view: ovoid wider than long, V-shaped median septum, spermathecal heads distinctly visible through cuticle and almost touching medially; dorsal view not examined as only known from single holotype.

Legs. Light brown with dark annulations; ventral aspect of patella and tibia IV distinctly darker; spination of leg I: femur: 3 dorsal, 1 apicoprolateral; tibia: 3 ventral pairs, 1 prolateral; metatarsus: 3 ventral pairs; 3 prolateral, 1 apicoretrolateral.

Measurements. TL 4.61, CL 2.42, CW 1.56. Eyes: AME 0.09, ALE 0.08, PME 0.23, PLE 0.21. Row of eyes: AE 0.49, PME 0.70, PLE 0.81. Sternum (length/width) 1.00/0.81. Labium (length/width) 0.22/0.26. AL 1.80, AW 1.72. Legs: light brown with dark annulations; length of segments (femur + patella/tibia + metatarsus + tarsus = total length): Pedipalp 0.86+0.70+-+0.72 = 2.28, I 1.51+1.86+107+ 0.81 = 5.26, II 1.37+1.60+1.09+0.77 = 4.84, III 1.23+1.42+1.23+0.70 = 4.58, IV 1.74+2.07+2.02+1.00 = 6.84.

Life history and habitat preferences. Unknown, only known from holotype female collected in February.

Distribution. Kochosa nigra sp. nov. is only known from its type locality ( Fig. 13 View FIGURE 13 ).