Prophysaon foliolatum (Gould, 1851) Yellow-bordered Taildropper

Styllomatophora, Arionidae, Gastropoda, Mollusca, Animalia

Part of tail that can be amputated about 25 to 33% total body length; tail tapers acutely so posterior half of body in top view has slightly concave sides; sole very pale to white; pale dorsal median line behind mantle sometimes lacking; dark blotches or broad stripes usually present on each side of mantle; mantle texture smoother, of finer tubercles than in P. andersoni; mucus usually clear, yellowish if animal disturbed, not very sticky; probably a bi-annual species; juveniles commonly found under peeling bark on hardwood logs; adults are adept climbers, found up to 3 meters above ground on snags; common in Puget Sound lowlands, and Olympic, Coast, and Cascade Ranges; ranges from near sea-level to approximately 915 m {Forsyth 2003 reports foot fringe usually with dark vertical bars (but sometimes very faint)}

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