Sibianor nigriculus ( Logunov and Wesolowska, 1992 )

Lee, Sue Yeon, Yoo, Jung Sun & Kim, Seung Tae, 2016, Two newly recorded jumping spiders, Neon ningyo Ikeda, 1995 and Sibianor nigriculus (Logunov & Wesolowska, 1992) (Araneae: Salticidae) from Korea, Journal of Species Research 5 (3), pp. 601-604 : 603

Sibianor nigriculus ( Logunov and Wesolowska, 1992)

ẠĚĦƞợệHŔ (ṳAE) ( Fig. 2)

Bianor aurocinctus Prószyński, 1979: 303 , f. 15-16.

Harmochirus nigriculus Logunov and Wesolowska, 1992: 118 , f. 4A­B, 5A­B, Logunov, Ikeda and Ono, 1997: 7, f. 11­17.

Sibianor nigriculus Logunov, 2000: 272 , f. 272­273, 281­285, Ono, Ikeda and Kono, 2009: 583, f. 268­272.

Measurements (in mm). Body length 4.13; Carapace 1.75 long, 1.35 wide; ALE­ALE 1.30, PLE­PLE 1.49, ALE­PLE 1.00, ALE­PME 0.45, AME diameter 0.40, ALE/AME 0.58, ALE/PLE 1.22, PME/PLE 0.33; Chelicera 0.55 long, 0.30 wide; Endite 0.41 long, 0.29 wide; Labium 0.23 long, 0.34 wide; Sternum 0.68 long, 0.45 wide; Legs I 4.84 (1.14, 2.72, 0.56, 0.42), II 2.71 (0.89, 1.07, 0.43, 0.32), III 3.27 (1.16, 1.13, 0.56, 0.42), IV 3.44 (1.07, 1.20, 0.67, 0.50); Abdomen 2.38 long, 1.53 wide.

Description. Female: Carapace blackish brown, quadrangle, longer than wide, thoracic region surrounded with blackish brown rim and white hairs. Ceivical furrow and radial furrow indistinct, longitudinal fovea dark blackish brown, needle shaped. Eye area surround­ ed with black, clothed with white spatula­shaped hairs. Chelicerae pale blackish brown, one retromarginal tooth present. Endite pale blackish brown. Labium pale blackish brown, margin dark. Sternum blackish brown, long shield shaped ( Fig. 2B). Legs well developed, legs II­IV yellowish brown with dense blackish brown hairs, leg I robust, blackish brown, leg spiniformation; I(femur 0­0­ 1p, tibia 1­2­2r, metatarsus 2­2v), II (femur 0­0­2p, tibia 0­1p, 1­2­0r, metatarsus 2­2v), III (femur 0­0­2p, tibia 0­2­0d, 0­1p, metatarsus 2­2d, 1­2­2r), IV (tibia 0­1­ 0r, metatarsus 0­2d, 0­2v), leg formula 1432. Abdomen long ovoid, dull grayish brown, longer than wide, lighter laterally, dorsum with dense blackish brown and white hairs, 3­4 indistinct chevrons posteriorly, venter dull grayish brown ( Fig. 2A). Spinnerets dull grayish brown. Female epigynum with epigynal cone, copulatory opening situated anteriorly, spermathecae and copulatory ducts visible posteriorly ( Fig. 2C).

Material examined. 1$, 06­VII­1997, Eundae­ri, Yeoncheon­gun, Gyeonggi­do (ST Kim and JS Yoo leg.) .

Distribution. Korea (new record), Russia, Japan.

Remarks. This species was collected with pitfall traps around swamp.