Carabidae ( Carabidae ) insects. Carabidae Coleoptera ( Coleotera ) is the largest family of more than 20000 kinds, including. A step is characterized by: the foot length, black or brown elytra, glossy, at the dorsal midline healing on a ridge. Most species of hind wing degradation with or without wings. Like the cold wet areas, often run into rather than fly to escape at night, since under stones, cracks and in leaf litter out foraging for insects, worms and snails. The larvae elongated, carnivorous, but some seeds for food. The mouthparts of sharp and prominent. At the end of a pair of rigid hairy appendage. Many species can secrete a foul-smelling liquid, so that the birds may be predators can not close.