Identification of synanthropic huntsman spider findings (Aranei, Sparassidae) with notes on the species composition in Crimea
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Abstract
Based on collected specimens and photographic records, we discuss the occurrence of the huntsman spider Olios sericeus (Kroneberg, 1875) in several cities and villages in Crimea. The species range extends from the southern part of European Russia to Kyrgyzstan and from Kazakhstan to Iran. Crimea represents the westernmost part of the known distribution of O. sericeus. Our material is illustrated and compared with the syntypes of O. sericeus and published data. Crimean and Asian specimens show differences in the details of their copulatory organs. In particular, in female specimen from Crimea, the vulva is three times wider than the epigynal collar, while in females from Asia, it is twice as wide; in males from Crimea, the cymbium is longer than in those from Asia. These variations may indicate distinct western populations of O. sericeus. This is the third species of huntsman spider recorded in Crimea. Previously, two species were documented on the peninsula: Micrommata virescens (Clerck, 1757), which is common in the Crimean Mountains, and Eusparassus walckenaeri (Audouin, 1826), which is enigmatic in Crimea, known only from a single female collected more than 160 years ago. Re-examination of the holotype and labels of Sparassus validus Thorell, 1875 (now a junior synonym of E. walckenaeri) confirms the origin of this specimen from Crimea: «Mus. Zool. Helsingfors. Sparassus validus Thor. Aranea Taur. merid. Nordmann. [Eut. etiketti № 232]» [Arachnida and …]. This means that the holotype of S. validus was collected in «Tauria meridionalis» (=Crimea) by A. Nordmann. The same is written in the original description by T. Thorell.
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References
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