Earthworm breeding success can not be separated from the control of pests and earthworms enemies, some enemies of pests and earthworms such as ants, beetles, birds, centipedes, millipedes, flies, rats, frogs, squirrels, chickens, ducks, snakes, swans, leeches , lice, and others. Opponents also feared is the red ants that eat earthworms feed containing carbohydrates and fats, which are necessary for fattening earthworms. Red ant attack prevention is done by around media given enough water or smeared with oil and grease on the legs of the rack and the media worm.