slug arion vulgaris snail spanish parasitizes pattypan squash farm flower bloom patty pan cucurbita pepo patissoniana

agriculture arion bloom blossom brownish callop closeup crops cucurbita custard czech damage dangerous detail disposal eating europe farm farming field flower garden granny invasive land marrow moves moving native pan parasites parasitic parasitizes patissoniana patty pattypan peninsula pepo pest pesticides plant poison slug snail spain spanish squash summer sunburst vulgaris