Abstract

We present data on four spider species (Araneae) new for the fauna of Poland. The spiders were found predominantly in the mires of the Giant Mountains and the Izera Mountains (the Western Sudetes). Some of these habitats are the transborder mires between Poland and the Czech Republic. The presented species are: Erigone cristatopalpus, Panamomops sulcifrons, Theridion boesenbergi, Gnaphosa lapponum. Each of these spiders is rare or lives in specific habitat.

Highlights

  • INTRODUCTIONThe spider fauna of the Giant Mountains (=Karkonosze/Krkonoše) and the Izera Mountains (=Góry Izerskie/Jizerské hory) was studied by many authors (summarized by Woźny et al 1988, Kůrka 1999, Tomasiewicz & Woźny 2004, Kůrka & Szymkowiak 2007), our knowledge on invertebrates of these mountain ranges is still incomplete

  • The spider fauna of the Giant Mountains (=Karkonosze/Krkonoše) and the Izera Mountains (=Góry Izerskie/Jizerské hory) was studied by many authors, our knowledge on invertebrates of these mountain ranges is still incomplete

  • The presented records of the four species new to the fauna of Poland – one of which is new for this part of the Sudetes – are based on a very small number of specimens, the records are certain and worth mentioning

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Summary

INTRODUCTION

The spider fauna of the Giant Mountains (=Karkonosze/Krkonoše) and the Izera Mountains (=Góry Izerskie/Jizerské hory) was studied by many authors (summarized by Woźny et al 1988, Kůrka 1999, Tomasiewicz & Woźny 2004, Kůrka & Szymkowiak 2007), our knowledge on invertebrates of these mountain ranges is still incomplete. A few rare spiders were recorded there in recent fifteen years, all of the listed species were new to the fauna of Poland. These were three Maro species (Linyphiidae), i.e. M_lehtineni Saaristo, 1971 (Wiśniewski & Wesołowska 2015), M. lepidus Casemir, 1961 (Wiśniewski & Wesołowska 2012), M. sublestus Falconer, 1915 (Szymkowiak 2004) and Iberina difficilis (Harm, 1966) from Hahniidae (Wiśniewski et al 2013). In this article we present four other spider species from the region, which are new to the fauna of Poland

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