Mallinella obtusa, Zhang, Bao-Shi, Zhang, Feng & Chen, Ping, 2011

Zhang, Bao-Shi, Zhang, Feng & Chen, Ping, 2011, Species of the genus Mallinella Strand, 1906 (Araneae: Zodariidae) from Hainan Island, China, Zootaxa 2986, pp. 55-62 : 59-61

Mallinella obtusa sp. nov.

( Figs 13–15 )

Type material. Holotype 3, CHINA, Hainan Province: Jianfengling Mountain (19°07ʹN, 109°13ʹE), 31 May 2009, leg. C. Zhang [ MHBU].

Diagnosis. Male can be distinguished from other Mallinella species by broad membranous area on embolic base, and differs from M. gongi Bao & Yin, 2002 by wide retrolateral apophysis of tibia ( Figs 14–15 ).

Etymology. The specific name is a Latin adjective and refers to the shape of retrolateral apophysis of male tibia.

Description. Male holotype total length 5.81: prosoma 2.65 long, 1.84 wide; opisthosoma 2.55 long, 1.53 wide.

Color. Carapace ( Fig. 13 ) dark brown. Median furrow and radial groove black. Eyes with black ring. Chelicerae reddish brown, terminal part yellowish. Endites and labium brown, terminal part yellowish. Sternum yellow. Femora of legs gray black, coxa yellowish, the other part of legs brown. Dorsum of opisthosoma black and with two pairs of white lateral patches, followed by three transverse white median patches, anterior median brown; lateral part yellowish with black diagonal stripes; venter yellowish covered with two irregular black patches, followed by a brown patch. Spinnerets brown.

Prosoma ( Fig. 13 ). Carapace longer than wide and with a longitudinal median furrow, only anterior part and clypeus with several black setae. AER slight procurved and PER procurved in dorsal view. Diameters of eyes: AME 0.05, ALE 0.06, PME 0.06, PLE 0.06. Interdistances of eyes: AME–AME 0.04, AME–ALE 0.05, ALE–ALE 0.33, PME–PME 0.04, PME–PLE 0.09, PLE–PLE 0.39, ALE–PLE 0.02. MOA 0.14 long, front width 0.14, back width 0.16. Clypeal height 0.28. Chelicerae without teeth on margins of fang furrow, fang very short. Apices of chelicerae and endites furnished with dense black scopula. Labium triangular, 0.19 long, 0.20 wide. Sternum 0.64 long, 0.61 wide and furnished with sparse black setae, lateral margin with small, pointed extensions fitting in coxal concavities of legs.

Legs. Metatarsi II–IV with ventral hair tufts in the apical part. Measurements of legs: leg I 6.74 (1.84, 0.61, 1.53, 1.43, 1.33), II 5.91 (1.63, 0.61, 1.12, 1.43, 1.12), III 5.89 (1.51, 0.61, 1.12, 1.63, 1.02), IV 8.47 (2.04, 0.61, 1.84, 2.55, 1.43). Leg formula: 4123.

Opisthosoma ( Fig. 13 ). Oval, longer than wide.

Male palp ( Figs 14–15 ). Retrolateral apophysis of tibia wide, anterior margin wider than base; median apophysis on tegulum large, apex bifid, pointing prolaterad and anteriad; embolus gradually narrowing toward its apex, subterminally with triangular, transparent flange.

Distribution. China ( Hainan ).

Figures

FIGURES 13 – 15. Mallinella obtusa sp. nov., 13, habitus, dorsal view; 14, left male palp, ventral view; 15, same, retrolateral view. Scale bars: 1 mm.