About Carabus serratus Say, 1823
Carabus serratus, commonly known as the serrate-shoulder worm and slug hunter, is a species of ground beetle belonging to the family Carabidae. This species is native to North America. Its typical habitats include moraines, gravel pits, sand pits, meadows, pastures, cultivated fields, forest clearings, and open forests. Adult Carabus serratus are wing-dimorphic: some individuals are macropterous (fully winged), while others are brachypterous (short-winged). These beetles are primarily nocturnal. Overwintering adults have been recorded in the upper layers of sand and gravel pits.