Tmarus undatus, Tang, Guo & Li, Shu-Qiang, 2009

Tang, Guo & Li, Shu-Qiang, 2009, The crab spiders of the Genus Tmarus from Xishuangbanna, Yunnan, China (Araneae: Thomisidae), Zootaxa 2223, pp. 48-68: 66-67

publication ID

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

persistent identifier

http://treatment.plazi.org/id/03B587DF-BF2A-930F-FF0C-FB27FDE3E8E7

treatment provided by

Plazi

scientific name

Tmarus undatus
status

sp. nov.

Tmarus undatus  sp. nov.

Figs 13View FIGURE 13. A – B E –F, 15 A –C

Type material: (all from CHINA, Yunnan: Xishuangbanna, Mengla County, Menglun Town, G. Zheng leg.) Holotype: male, secondary tropical montane evergreen broad-leaved forest (N 21 º 54.767 ', E 101 º 11.431 ', alt. 880 m), 6 August 2007 (Zheng_sp 61 - 1); Paratypes: 1 female, same data as holotype; 1 female, primary tropical seasonal rainforest (N 21 º 57.669 ', E 101 º 11.893 ', alt. 790 m), 7 August 2007; 2 females, primary tropical seasonal rainforest (N 21 º 54.725 ', E 101 º 13.261 ', alt. 734 m), 8 August 2007.

Etymology. The specific name comes from the Latin adjective undatus  and means undulate, referring to the W-shape of the epigynal structure.

Diagnosis. This new species is similar to T. menglae Song and Zhao, 1994  . The differences are discussed in the “diagnosis” of T. menglae  .

Description. Female (holotype): Total length 6.00. Prosoma length 2.20, width 2.10; opisthosoma length 3.70, width 2.10. Prosoma yellow with some small white markings. Tubercle grayish black with white rim. Chelicerae, gnathocoxae, labium and sternum yellow. Eye measurements: AME 0.06; ALE 0.14; PME 0.08; PLE 0.12; AME –AME 0.22; AME –ALE 0.20; PME –PME 3.40; PME –PLE 0.36. MOA length 0.32 with front width 0.34 and back width 0.48, Legs yellow. Leg formula: 1243; leg measurements: I: 10.20 (3.00, 4.00, 2.10, 1.10); II: 9.60 (3.00, 3.60, 2.00, 1.00); III: 4.50 (1.30, 1.80, 0.80, 0.60); IV: 4.60 (1.60, 1.80, 0.60, 0.60). Opisthosoma dorsum grayish white with a large black markings medially, venter gray.

Epigynum  ( Figs 13View FIGURE 13. A – B E –F, 15 B –C). Epigynum  with a “W”-shaped ridge in the median from ventral view, under which bear a small hood, copulatory duct thick, fold and twisted, spermathecae small.

Male: Unknown.

Variation. Total length: female, 5.80–6.20. Distribution. China (Yunnan).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Thomisidae

Genus

Tmarus