Bran, rice bran. Dustbin worm, also known as ground turtle, for omnivorous insects, feeding characteristics of fresh food, most like to eat bran, rice bran, followed by cornmeal, broken grains. The earthworm is a medicinal critter of the cockroach family of insects. Buckwheat bugs alias ground turtle, ground turtle, dustpan bugs, earth turtle, earthworm, stinging insects, etc., modern Chinese medicine canon called earthworm, cold, slightly toxic.