three brown slugs feeding on damaged purple eggplants in a garden, with one slug climbing a green leaf, showing their impact on

slug snail invasion brown mollusk pest gastropod leaf invertebrate red soil ecology gastropoda pests disease grow rotten cabbage crawling gardening lettuce insect creep farmer damaged slugs closeup plot leaves crops crop control snails pumpkin invasive garden land species spanish diseases caterpillar damage lusitanicus snailplage europe chocolate arion three feeding purple eggplants one climbing green showing their impact garden show visible holes from while climbs highlighting interaction plants