Seyfulina R.R.1, Kartsev V.M.2 2022. On the spider fauna of the Oriental Region: new data from Thailand (Arachnida: Aranei) // Arthropoda Selecta. Vol.31. No.1: 115–128 [in English].

1 A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, 33 Leninsky prospect, Moscow 119071, Russia. E-mail:

2 Department of Entomology, Faculty of Biology, Lomonosov Moscow State University, Leninskie Gory, Moscow 119234, Russia.

doi: 10.15298/arthsel. 31.1.14

ABSTRACT. Spiders of 21 species in 17 genera and seven families collected from Satun, Sukhothai, Kanchanaburi, Chiang Mai, Chonburi, and Phuket Provinces of Thailand have been studied. Of them, 11 species are reported from Thailand for the first time and eight are new records for the fauna of Indo-China: Argiope sapoa Barrion et Litsinger, 1995, Eriovixia excelsa (Simon, 1889), E. poonaensis (Tikader et Bal, 1981), E. yunnanensis (Yin, Wang, Xie et Peng, 1990), Janula triangularis Yoshida et Koh, 2011, Larinia nolabelia Yin, Wang, Xie et Peng, 1990, Neoscona cf. polyspinipes Yin, Wang, Xie et Peng, 1990, Parasteatoda cf. cingulata (Zhu, 1998). The records of seven species, viz., Araneus ellipticus (Tikader et Bal, 1981), E. poonaensis, E. yunnanensis, L. nolabelia, N. cf. polyspinipes, P. cf. cingulata, and Thomisus labefactus Karsch, 1881, represent southernmost limits of their ranges. Live photos of 15 species, as well as drawings of the copulatory organs of A. sapoa, E. yunnanensis, L. nolabelia, J. triangularis, P. cf. cingulata, and Larinia sp., are provided. The undetermined Larinia female seems to belong to L. nolabelia that remains known from the male only. Additionally, a check-list all Thai species in the seven spider families studied is presented.

KEY WORDS: Araneae, Indo-China, new records, Tarutao National Park.

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