Spiders (Aranei) of the Foothill-Plain Part of the Ardon River Floodplain (North Ossetia – Alania, Russia)
DOI:
https://doi.org/10.52575/2712-9047-2025-7-3-300-313Keywords:
spiders, North Caucasus, Ardon River, fauna, distributionAbstract
Abstract. Data are presented on the distribution of spiders in plant communities of the Ardon River floodplain (North Ossetia, Russia) within the forest-meadow-steppe vegetation belt in the elevation gradient of 500–700 m above sea level. The following plant communities were surveyed: pebble beds; herb-cereal floodplain meadows; steppe meadows with Bothriochloa ischaemum; reed communities; grey alder forests; sea buckthorn forests; cherry plum plantings. 181 spider species from 23 families were identified. The species composition is dominated by Linyphiidae (39 species) and Lycosidae (29 species). The greatest species diversity was noted in forb-grass meadows and in sea buckthorn forests (75 species each). The araneofauna of reed communities is greatly depleted (14 species). For the first time in the territory of North Ossetia, 24 species were discovered, of which Entelecara congenera, E. erythropus, Oedothorax gibbosus, Pelecopsis mengei, Staveleya pusilla, Pachygnatha clerсkoides, Ozyptila simplex are noted for the first time in the fauna of the Caucasus.
Funding: the research by A.V. Ponomarev was carried out within the framework of the implementation of the State Assignment of the Southern Scientific Center of the Russian Academy of Sciences, state registration number of the project 125011200139-7.
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Copyright (c) 2025 Александр Викторович Пономарёв, Юрий Евгеньевич Комаров
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