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''Deroceras laeve'', the marsh slug, is a species of small air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Agriolimacidae. ==Distribution== The distribution of ''Deroceras laeve'' was originally Palearctic, from the subpolar zones to the southern margins.〔 Today this slug species has been introduced worldwide except Antarctica, also on tropical islands such as New Guinea and on Pacific islands.〔 Europe: * British Isles: Great Britain and Ireland. The species has shown little evidence for significant decline in Britain.〔 * Czech Republic〔 Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. (list of mollusc species recorded outdoors in the Czech and Slovak Republics )". ''Malacologica Bohemoslovaca'', Suppl. 1: 1-37. (PDF ).〕 - least concern (LC) * Netherlands〔http://www.anemoon.org/anm/voorlopige-kaarten/landmollusken/wetenschappelijk/deroceras-laeve/〕 * Poland * Slovakia〔 * Ukraine * Sweden * Switzerland - lower concern in Switzerland〔 * and others Asia: * Pakistan * China * Taiwan〔Tsai C.-L. & Wu S.-K. (2008). "A New ''Meghimatium'' Slug (Pulmonata: Philomycidae) from Taiwan". ''Zoological Studies'' 47(6): 759-766. (PDF ).〕 The Americas: * California * El Hatillo Municipality, Miranda, Venezuela * Colombia * introduced to Dominica (first report in 2009)〔Robinson D. G., Hovestadt A., Fields A. & Breure A. S. H. (July 2009). "The land Mollusca of Dominica (Lesser Antilles), with notes on some enigmatic or rare species". ''Zoologische Mededelingen'' 83 http://www.zoologischemededelingen.nl/83/nr03/a13〕 * and others 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Deroceras laeve」の詳細全文を読む スポンサード リンク
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