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Tribe Carabini

Black Caterpillar Hunter - Calosoma sayi Calosoma sayi - male Carabus meander? - Carabus vinctus - male - female Calosoma scrutator - male Beetle - Carabus nemoralis Inchelium carabid - Carabus nemoralis Beetle to black light - Calosoma scrutator Calosoma scrutator
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Carabidae (Ground Beetles)
Subfamily Carabinae
Tribe Carabini
Numbers
3 genera with ~900 spp. worldwide (of which one extremely large but mostly Palaearctic), all represented in our area (ca. 55 spp.)(1)
Identification
The key below is adapted from(2)
Antennal segments 2 and 3 carinate (ridged). Mandibles with transverse rugosities, at least basally. Elytra with humeri well developed, wings well developed. Metepimeron longer than wide.---> Calosoma, Callisthenes
Antennal segments 2 and 3 cylindrical, not carinate (ridged). Mandibles smooth or finely punctate. Wings reduced, humeri sloping. Metepimeron wider than long or as wide as long. ---> Carabus

Compare mandibles, antennae of Carabus vinctus and Calosoma sayi:
Internet References
(3)