Medium
Photo © lisettealbert, all rights reserved
Fort Lawton, WA (Google, OSM) Details Hide details

Description

This slug was found underneath some fallen leaves on the ground. It was about 2 inches long.

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Comments & Identifications

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Posted by lisettealbert almost 5 years ago (Flag)
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Black Slug - Photo (c) langleyo, some rights reserved (CC BY-NC-ND)
ashersh's ID: Black Slug (Arion ater)
Posted by ashersh almost 5 years ago (Flag)
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According to the experts (Burke 2013, Forsyth 2004), Arion ater and Arion rufus can only be separated by dissection and comparing genitalia. The black morph of Arion rufus is not uncommon.

Burke, T. E. (2013). Land snails and slugs of the Pacific Northwest. Oregon State University Press.

Forsyth, R. G. (2004). Land Snails of British Columbia. Royal BC Museum.

Posted by pileated 28 days ago (Flag)
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Arion - Photo (c) H. Krisp, some rights reserved (CC BY)
Community ID: Genus Arion, a member of Roundback Slugs (Family Arionidae)
About
Black Slug - Photo (c) langleyo, some rights reserved (CC BY-NC-ND)
ashersh's ID: Black Slug (Arion ater)
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Observation © Lisette Albert
all rights reserved
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