Tmarus menglae Song and Zhao, 1994,

Tang, Guo & Li, Shu-Qiang, 2009, The crab spiders of the Genus Tmarus from Xishuangbanna, Yunnan, China (Araneae: Thomisidae), Zootaxa 2223, pp. 48-68: 59-62

publication ID

http://doi.org/ 10.5281/zenodo.190156

persistent identifier

http://treatment.plazi.org/id/03B587DF-BF33-9312-FF0C-FF2AFDE3E973

treatment provided by

Plazi

scientific name

Tmarus menglae Song and Zhao, 1994
status

 

Tmarus menglae Song and Zhao, 1994 

Figs 6 A –DView FIGURES 6 A – D, 7 A –DView FIGURES 7 A – D, 8 A – DView FIGURES 8 A – D

Tmarus menglae Song and Zhao, 1994: 113  , f. 1 A – C. Song and Zhu, 1997: 49, f. 26 A –C; Song et al., 1999: 500, f. 283 H.

Material Examined: (all from CHINA, Yunnan: Xishuangbanna, Mengla County, Menglun Town, G. Zheng leg.): 1 male, 8 females, Paramichelia baillonii  plantation (N21.54.772, E101.16.043, alt. 556 m), 18, 22 July 2007; 5 females, secondary tropical seasonal moist forest, (N21.54.718, E101.16.940, alt. 645 m), 27–28 July 2007; 1 female, secondary tropical montane evergreen broad-leaved forest (N21.57.809, E101.12.173, alt. 888 m), 4 August 2007; 1 male, 2 females, Menglun, secondary tropical montane broad-leaved forest, (N21.54.813, E101.12.634, alt. 876 m), 5 August 2007; 1 male, 8 females, secondary tropical montane evergreen broad-leaved forest (N21.54.767, E101.11.431, alt. 880 m), 6 August 2007; 3 females, Menglun, primary tropical seasonal rainforest (N21.57.669, E101.11.893, alt. 790 m), 7 August 2007; 1 female, primary tropical seasonal rainforest (N21.54.725, E101.13.261, alt. 734 m), 8 August 2007; 16 females, Menglun, secondary tropical seasonal moist forest (N21.54.984, E101.16.982, alt. 656 m), 10 August 2007; 1 male, Menglun, rubber plantation (N21.54.350, E101.16.461, alt. 614 m), 11 August 2007; 1 male, 1 femle, Paramichelia baillonii  plantation (N21.54.200, E101.16.923, alt. 608 m), 18 August 2007.

Diagnosis. The female of this species is similar to T. undatus  sp. nov. and T. byssinus  sp. nov., but can be separated by the presence of a longitudinal epigynal ridge. The male palp of this species shows a unique forkshaped tegular apophysis which is not found in other congeneric members.

Description. Male (Zheng_sp 772 - 1): Total length 5.20. Prosoma length 2.00, width 1.90; opisthosoma length 3.20, width 1.60. Prosoma brown with some long setae, the median with some grayish white stripes. Eye measurements: AME 0.05; ALE 0.15; PME 0.09; PLE 0.12; AME –AME 0.22; AME –ALE 0.18; PME – PME 0.30; PME –PLE 0.36. MOA length 0.38 with front width 0.34 and back width 0.46. Chelicerae, gnathocoxae, labium and sternum yellow. Legs yellow. Leg measurements: I: 12.80 (3.70, 4.70, 3.00, 1.40); II: 12.90 (3.70, 4.80, 3.00, 1.40); III: 5.60 (1.70, 2.20, 1.00, 0.70); IV: 5.70 (2.00, 2.00, 1.00, 0.70). Leg formula: 2143. Opisthosoma dorsum grayish white with some long setae, dorsum with some grayish black markings, venter gray.

Palp ( Figs 6 B –DView FIGURES 6 A – D, 8 A –BView FIGURES 8 A – D). VTA digitiform, with curved apex; ITA sharp, spear-shaped; RTA large, welldeveloped, spear-shaped dorsally, with a ventrally translucent lamella and a strongly sclerotized apex; tegulum with 2 sharp spiniform apophyses; embolus filiform.

Female (Zheng_sp 772 - 2): Total length 6.10. Prosoma length 2.20, width 2.20. Opisthosoma length 3.50, width 2.30. Body color darker than in male. Eye measurements: AME 0.08; ALE 0.20; PME 0.12; PLE 0.18; AME –AME 0.22; AME –ALE 0.20; PME –PME 0.30; PME –PLE 0.40. MOA length 0.44 with front width 0.38 and back width 0.56. Leg formula: 2143; leg measurements: I: 10.70 (3.20, 4.00, 2.30, 1.20); II: 10.60 (3.20, 4.00, 2.20, 1.20); III: 5.60 (1.80, 2.20, 0.90, 0.70); IV: 5.70 (2.00, 2.10, 0.90, 0.70). Opisthosoma dorsum grayish white with grayish black markings, the posterior with 3 pairs of transversal grayish brown stripes.

Epigynum  ( Figs 7 C –DView FIGURES 7 A – D, 8 C –DView FIGURES 8 A – D). Epigynum  with a wide, longitudinal ridge, the anterior of which black; copulatory openings “W”-shaped; copulatory ducts wide, long, and twisted; spermathecae small. Variation. Total length: male, 5.00– 5.40; female, 6.00– 6.40. Distribution. China (Yunnan).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Thomisidae

Genus

Tmarus

Loc

Tmarus menglae Song and Zhao, 1994

Tang, Guo & Li, Shu-Qiang 2009
2009
Loc

Tmarus menglae

Song 1999: 500
Song 1997: 49
Song 1994: 113
1994