slug in natural conditions. ecology

mollusca mollusc lactuca snail mollusk gastropod animal parasites peninsula farming vulgaris farm plant field moving spanish agriculture parasitic iberian sativa europe moves fauna slug wildlife invertebrate wild invertebrates veronicellid gastropoda brown tectipleura texture nature natural systellommatophoran veronicellidae systellommatophora macro molluscs veronicelloidea euthyneura eupulmonata animalia