Very large, black with margins of elytra and pronotum brilliant blue. Elytra with evenly-spaced rows of punctured grooves (striae) and a few large punctures (foveae). Pronotum rounded, not flared out on the apical (head) end.
Resembles Carabus sylvosus, which is smaller, and has a differently-shaped pronotum--more flared on the apical end.
e. US (VT-GA to NE-TX); strays into southernmost ON(1)
Woodlands and adjacent open country
May & Jul-Aug in NC; May & Sep-Oct in SC; May-Oct in IN(2)
Adults predatory, climb trees in search of prey, esp. caterpillars.