Tuesday, December 26, 2017

[Arachnida • 2017] Liphistius maewongensis • A New Liphistius Species (Mesothelae: Liphistiidae: Liphistiinae) from Thailand, with Notes on its Natural History

Liphistius maewongensis 
Sivayyapram, Smith, Weingdow & Warrit, 2017

แมงมุมฝาปิดโบราณแม่วงก์ || DOI:  10.1636/JoA-S-17-028.1 

 A new species of trapdoor spider of the genus Liphistius Schiödte, 1849 (Mesothelae: Liphistiidae) is described from specimens collected from Mae Wong National Park, Klonglan district, Kamphaeng Phet province, Thailand. This Liphistius species belongs to the bristowei species-group based on the elevated cumulus and the distinct embolic part, and resembles L. yamasakii Ono, 1988. Diagnostic characters of the male and female are discussed, and a map is provided for the type localities of the 32 previously described Liphistius species in Thailand. This is the first record of a Liphistius species in the bristowei species-group that builds a T- or Y-shaped burrow with two trapdoor openings. 

Keywords: Systematics, checklist, conservation, spider

Family Liphistiidae Thorell, 1869
Subfamily Liphistiinae Thorell, 1869

Genus Liphistius Schio¨dte, 1849

Liphistius maewongensis sp. nov

Etymology.— The specific epithet refers to the type locality, Mae Wong National Park, an important tiger sanctuary in Southeast Asia.

Remarks.—  Liphistius maewongensis belongs to the bristowei species-group sensu Schwendinger (1990), based on the elevated cumulus (Figs. 4a–d) and the two longitudinal ridges on the sclerotized part of the embolic parts that reach the tip (Fig. 4e). Thus, the bristowei species-group of Liphistius is currently comprised of L. bristowei, L. lannaianus, L. marginatus Schwendinger, 1990, L. yamasakii, and L. maewongensis. Despite the similarity between L. yamasakii and L. maewongensis, the male pedipalp shapes are grossly different.

Varat Sivayyapram, Deborah Roan Smith, Suthon Weingdow and Natapot Warrit. 2017.  A New Liphistius Species (Mesothelae: Liphistiidae: Liphistiinae) from Thailand, with Notes on its Natural History.   Journal of Arachnology. 45(3); 287-295. DOI:  10.1636/JoA-S-17-028.1

พบ ‘แมงมุมฝาปิดโบราณ’ ชนิดใหม่ของโลกที่แม่วงก์  seub.or.th/index.php?option=com_content&view=article&id=2212%3Aseubnews&catid=5%3A2009-10-07-10-58-20 

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