Carabus principalis

Description

Carabus principalis is a species of ground beetle from the family Carabidae. They are green coloured with brown pronotum. They are known to reside in China, within the provinces of Zhejiang, Hubei and Hunan. Carabus is a genus of beetles in family Carabidae. The genus is highly diverse with 94 subgenera, 897 species and 2300 subspecies, thus is the largest genus in the subfamily Carabinae. The vast majority are native to the Palearctic, but 11 Nearctic species are also known. Carabus spp. are 12–50 mm (0.47–1.97 in) long, and most species are wingless and often very colourful. These are nocturnal, predatory beetles that feed on snails, earthworms, and caterpillars.