Distribution and Spread of the Invasive Slug Arion Vulgaris Moquin- Tandon in Norway
Fauna norvegica 2013 Vol. 32: 13-26. ISSN: 1502-4873 Distribution and spread of the invasive slug Arion vulgaris Moquin- Tandon in Norway Bjørn A. Hatteland1,2, Steffen Roth1,3, Arild Andersen4, Kristin Kaasa1‡, Bente Støa5 and Torstein Solhøy1 Hatteland BA, Roth S, Andersen A, Kaasa K, Støa B and Solhøy T. 2013. Distribution and spread of the invasive slug Arion vulgaris Moquin-Tandon in Norway. Fauna norvegica 32 ����13-2�. The present distribution of the invasive slug Arion vulgaris Moquin-Tandon was studied in Norway. This important pest species has spread to many parts of Europe during the last decades, inflicting damage to agriculture and domestic gardens. It was first recorded in Norway in 1988, and has since spread to many parts of the country and is now recorded in 192 municipalities. We surveyed the cur- rent distribution by sampling and gathering species records in cooperation with garden societies and local authorities. Based on these records, we present distributional data as well as relative predictions of future distributions based on geoclimatic parameters. Currently, A. vulgaris covers most of coastal southern Norway while it shows a patchy distribution in northern Norway, recorded as far north as Finnsnes in Troms County. doi 10.5324/fn.v31i0.1473. Received 2012-03-30. Accepted 2012-10-18. Published on paper and online 2013-02-13. Keywords Arionidae, ArcGIS, invasive species, climate, Maxent analysis 1. Department of Biology, University of Bergen, P.O. Box 7800, 5020 Bergen, Norway 2. Horticulture and Urban Greening, Bioforsk Ullensvang - Norwegian Institute for Agricultural and Environmental Research, 5781 Lofthus, Norway 3.
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