On a small collection of spiders (Aranei) from the Astrakhan Reserve (Russia)

Abstract

landscapes: viz., sandy massifs, meadows of different degrees of moistening, salt-marshes, Tamarix thickets, areas of dry steppe and desert vegetation, etc. The diversity of microclimate and vegetation promotes the coexistence of various ecological and zoogeographical animal groups in such a small territory. The spider fauna of the Astrakhan Reserve has been poorly studied yet. The first and to date the only list of spiders of the Reserve [Utochkin, 1971] contains 44 species only. Later [Ponomarev, 1981; Utochkin, 1985; Ponomarev et al., 2008], another 20 species were added to the list. Thus, to date a total of 64 spider species in 16 families has been recorded from the Reserve at hand. Below, we present the results of a spider survey in the Astrakhan Reserve based on the materials collected by us in 2017. The obtained data greatly expand our knowledge of its spider fauna. Material and methods The studied material was collected by V.V. Bastaev from the Damchik site of the Astrakhan Biosphere Reserve (Map 1) in the period from 26.06 to 3.07.2017. Different collecting methods, such as hand-collecting by means of forceps, aspirators and/or entomological nets, as well as pitfall traps and sifters, were used. A total of some 1500 spider specimens was collected, of which over 900 were adults. The material is shared between the collection of the St. Petersburg University and the personal collection of A.V. Ponomarev. Photographs were taken at the Southern Scientific Center of the Russian Academy of Sciences, by means of a microscope MICMED-6 using a SONY NEX-C3 16.2mp digital camera and Microphotoset (MFN-12). ABSTRACT. An annotated list of 89 spider species in 17 families found in the Damchik site of the Astrakhan Reserve (Russia) in 2017 is provided; of them 30 species are new to the fauna of Astrakhan Area, 57 species are first recorded from the Astrakhan Reserve; three species remain undetermined or determined provisionally: Haplodrassus sp., Poecilochroa cf. senilis, Heriaeus sp; 11 species are illustrated. How to cite this article:

An annotated checklist of spiders (Arachnida: Aranei) of the National Nature Park ‘Buzkyi Hard’ (Mykolaiv Area, Ukraine)

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