Marusik yurii Lin & Li, 2023

Lin, Yejie, Li, Shuqiang & Pham, Dinh-Sac, 2023, Taxonomic notes on some spider species (Arachnida: Araneae) from China and Vietnam, Zoological Systematics 48 (1), pp. 1-99 : 8-9

Marusik yurii Lin & Li , sp. nov. ( Figs 5–6 )

Etymology. The species is named after Mr. Yuri M. Marusik ; noun (name) in genitive case.

Diagnosis. Same as for the genus.

Description. Male (holotype). Total length 2.29; carapace 1.16 long, 0.89 wide, opisthosoma 1.13 long, 0.74 wide. Eye sizes and interdistances: AME 0.04, ALE 0.07, PLE 0.06, AME–AME 0.01, AME–ALE 0.01, PLE–PLE 0.14, ALE–PLE 0.01. Chelicerae with three promarginal and four retromarginal teeth. Leg measurements: I 3.34 (1.00, 1.26, 0.63, 0.45), II 2.79 (0.81, 1.04, 0.53, 0.41), III 2.33 (0.69, 0.76, 0.48, 0.40), IV 3.26 (0.91, 1.15, 0.68, 0.52).

Coloration ( Fig. 6 ). Carapace yellow-brown. Chelicerae, endites and labium yellow-brown. Sternum pale yellow. Legs yellow-white. Opisthosoma oval, white, with yellow-brown setae, lacking pattern. Spinnerets white.

Palp ( Fig. 5 ). Retrolateral tibial apophysis triangular, short and stout. Tegular apophysis membranous. Conductor bifurcated, semi-enclosing embolus. Embolus arising at clock 11:30 position, slightly curved.

Female. Unknown.

Material examined. Holotype ♂ (IZCAS-Ar43831), Vietnam: Ninh Binh, Cuc Phuong National Park, Sieving , 1–30 May 2007, Dinh-Sac Pham leg. Paratypes. 2♂ (IZCAS-Ar43832, Ar43833), same data as holotype .

Distribution. Known only from the type locality.

Figures

Figure 5. Marusik yurii Lin & Li, sp. nov., holotype male. A. Left palp, ventral view; B. Same, retrolateral view; C. Right palp, bulb (images flipped horizontally).Abbreviations: C—conductor; E—embolus; RTA—retrolateral tibial apophysis; SD—sperm duct, TA— tegular apophysis. Scale bars=0.05mm.

Figure 6. Marusik yurii Lin & Li, sp. nov., holotype male. A. Ocular area; B. Spinnerets; C. Chelicera; D. Habitus, dorsal view; E. Habitus, ventral view. Scale bars: A–C=0.1mm; D–E=0.3mm.