spanish slug pest arion vulgaris snail parasitizes on strawberry moves garden field, eating ripe fruit plant crops, moving

agriculture arion brownish closeup crops czech damage dangerous detail disposal eating enemies enormous europe european farm farming field fruit garden granules iberian invasive land lettuce molluscicides moves moving native natural nematodes overgrowth overpopulation parasites parasitic parasitizes peninsula pest pesticides picked plant poison ripe slug snail spain spanish species strawberry vulgaris