Hemphillia glandulosa (Bland and W.G. Binney, 1875) Warty Jumping-slug

Arionidae, Stylommatophora, Gastropoda, Mollusca, Animalia

Body 12 to 20 mm long; sides of foot light without markings, or with dark transverse lines;(specimens from the Willapa Hills apparently represent an undescribed species, T. Wilke, pers. comm.); the oval eggs may be up to 3 mm diameter; eggs are generally laid singly or in pairs in leaf litter, on or within woody debris, and moss mats; eggs have also been found up to 1 meter above-ground on moss-covered trunks of red alder, most commonly found on or under logs or other woody debris; probably an annual species

Range: In Washington Hemphillia glandulosa is widespread but with a localized distribution in the Puget Sound Region, including Puget Sound lowlands, southern Olympic Peninsula, and Cascade and Coast Ranges. In Oregon it is known south to the west-central area of the state. Populations are not known from east of the CascadeRange. In Canada H. glandulosa is known from14 localities on Vancouver Island from south of Namaimo to the southern part of the island. It is not known from the Canadian mainland (COSEWIC 2003).

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Literature Cited:

COSEWIC 2003. COSEWIC assessment and status report on the warty jumping-slug Hemphillia glandulosa in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. vi-19 pp.

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