Abstract
The first outdoor record of the pulmonate land snail Zonitoides arboreus in the Czech Republic is presented. Our living population has survived the complete destruction of greenhouses and has been living in the open at the locality for several years.The Czech Republic is the fourth European mainland country with outdoor occurrence of this species.
Highlights
Zonitoides arboreus (Say) (Fig. 1) is a snail species native to much of North America (PILSBRY 1946, HUBRICHT 1985)
No outdoor find was known from the Czech Republic until now
Several outdoor finds from secondary stands such as botanical gardens or arboreta are known from Hungary (FEHÉR & GUBÁNYI 2001)
Summary
Zonitoides arboreus (Say) (Fig. 1) is a snail species native to much of North America (PILSBRY 1946, HUBRICHT 1985). It is one of the commonest species in greenhouses in the Czech Republic (see HORSÁK et al 2004 for review). No outdoor find was known from the Czech Republic until now. Havířov – Prostřední Suchá, area with destroyed greenhouses, 49 ̊47'29.16" N, 18 ̊26'30.13" E, code of the faunistic mapping grid system 6276B, 25 October 2006, L.
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