three brown slugs feeding on green cabbage heads in a garden. the slugs are spread across the textured cabbage leaves, displaying

across are arion brown cabbage caterpillar caused chocolate closeup control crawling creep crop crops damage damaged disease diseases displaying ecology europe farmer feeding garden gardening gastropod gastropoda green grow heads highlighting insect interaction invasion invasive invertebrate land leaf leaves lettuce lusitanicus mollusk pest pests plant plot pumpkin red rotten slug slugs snail snailplage snails soil spanish species spread textured their three