Tmarus undatus
- Dataset
- The crab spiders of the Genus Tmarus from Xishuangbanna, Yunnan, China (Araneae: Thomisidae)
- Rank
- SPECIES
- Published in
- Tang, Guo, Li, Shu-Qiang (2009): The crab spiders of the Genus Tmarus from Xishuangbanna, Yunnan, China (Araneae: Thomisidae). Zootaxa 2223: 48-68, DOI: 10.5281/zenodo.190156
Classification
- kingdom
- Animalia
- phylum
- Arthropoda
- class
- Arachnida
- order
- Araneae
- family
- Thomisidae
- genus
- Tmarus
- species
- Tmarus undatus
description
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 13 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).
diagnosis
Diagnosis. This new species is similar to T. menglae Song and Zhao, 1994. The differences are discussed in the “ diagnosis ” of T. menglae.
etymology
Etymology. The specific name comes from the Latin adjective undatus and means undulate, referring to the W-shape of the epigynal structure.
materials_examined
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.
Name
- Homonyms
- Tmarus undatus