Slugs or Snails (Rumina decollata & Helix aspersa)
Trapping and handpicking helps lower slug numbers. To be effective, traps must be checked and cleaned out several times a week. You can trap slugs by setting out several flat boards, shingles, damp newspapers, containing beer or other fermenting food are popular. When checking the traps the kill any slugs that are hiding. You can drown slugs in soapy water, or crush them.
Copper strips or tape is an effective barrier to slugs and most practical for small gardens or containers.
There are many types of animals that feed on slugs, such as beetles, toads, snakes, turtles, shrews, ducks, starlings and other birds.