Synanthropic spider fauna of the Carpathian Basin in the last three decades

Szinetár, Csaba and Kovács, Gábor and Urák, István and Gajdos, Péter (2020) Synanthropic spider fauna of the Carpathian Basin in the last three decades. Biologia Futura, 71 (1-2). pp. 31-38. ISSN 2676-8615 (print), 2676-8607 (online)

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Abstract

This paper reviews the scientific literature published on synanthropic spiders in three Carpathian Basin countries—Hungary, Slovakia and Romania. A total number of 204 spider species have been reported from human constructions. Most of the 204 spider species (165 species) found in buildings were only occasional visitors, so-called asynanthropic species with typically low abundance. On average, eusynanthropic (23 species) and hemisynanthropic (16 species) species accounted for 80% of the specimen number. We have discovered that the number of hemisynanthropic faunal elements have remained unchanged in the past three decades. At the same time 14 new eusynanthropic species have been observed in the region, roughly one new species in every 2 years. Some of them have been introduced from the tropics, but some species originates from southern Europe, which may be related to climate change. This hypothesis was also confirmed by the seasonal summer outdoor appearance of these eusynanthropic species. True tropical spiders could only be settled permanently in greenhouses with special climate (such as botanical gardens). We still do not have data of any synanthropic species posing a health risk in this region.

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