Spiders (Araneae) from Swiss hothouses, with records of four species new for Switzerland

Abstract

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The woodlice of Switzerland (Crustacea, Isopoda, Oniscidea), with 6 new records from heated greenhouses

“…The most recently arrived species is Venezillo parvus, recorded in the Zoo of Rotherdam, the Netherlands, by Soesbergen (2003). The proportion of non-native to native species of woodlice is similar to those found in spiders, centipedes and millipedes in the same greenhouses (Hänggi et al, 2021;Gilgado et al, 2022a). The same survey has also resulted in new species records for Switzerland in exotic spiders (Hänggi et al, 2021), centipedes and millipedes (Gilgado et al, 2022a), short-tailed whipscorpions (Krajčovičová et al, 2021), and silverfi shes (Gilgado et al, 2021).…”

From caves to continents: phylogeography and niche shift of an invasive subterranean spider

“…In Europe H. mogera is essentially a eusynantropic species (Hänggi et al 2021) relying on artificial warm indoor conditions to survive during the cold European winters (Esyunin et al 2019). Nevertheless, recent records of this species in natural conditions have been reported in central and Southern Italy (Pantini et al 2020;this work) and in caves in Southern Spain (Ribera, personal comm.).…”

New data on introduced spider species (Arachnida: Aranei) from the Urals

“…), three synanthropic (S. castanea, S. grossa and T. domestica) and four introduced species (N. mogera, O. melanopygius, P. tabulata, and C. floridanum) have been found there. The latest non-native species should have arrived with imported plants, in the same way as it happens in Europe [Paquin et al, 2008;Nentwig, Kobelt, 2010;Šestakova et al, 2013;Pfliegler, 2014;Nentwig, 2015;Hänggi et al, 2021].…”

“…In Europe, there is a risk of naturalization of introduced species, especially in the context of climate change [Hänggi et al, 2021]. Tropical and subtropical spiders from the greenhouses of Perm have no potential to establish any populations outdoors due to the absence of necessary climatic conditions.…”

“…A large part of such alien species seems to have been imported with overseas plants from nurseries or other greenhouses. In most cases, they are restricted to heated greenhouses (hothouses) due to their ecological demands, especially with regards to temperature [Hänggi et al, 2021].…”