Wikipedia

White garden snail

Theba pisana

White garden snail (Theba pisana) is a mollusk pest. It is a native of Europe and was first detected in California 1914.

The white garden snail, Theba pisana, is the worst potential agricultural pest of the helicid snails introduced to North America. It is the most frequently intercepted foreign land snail, generally arriving in shipments from Mediterranean countries.

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