Carabus violaceus
Carabus violaceus, sometimes called the violet ground beetle, or the rain beetle is a nocturnal species of a beetle, from the family Carabidae. Description. The violet ground beetle is a non-shiny, black beetle that has violet or indigo edges to its smooth, oval elytra (wing cases) and thorax. Adult beetles are usually . Adult beetles do not fly. Distribution. The species can be found throughout Europe, and Japan . a Ecology. The species can be found in forests, parks, and gardens. They are nocturnal. Both adults and larvae feed on slugs, snails, worms and insects (presumably weevils). Carabus violaceus