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Tribe Carabini

Fiery Searcher - Calosoma scrutator Is this another Callisthenes calidus? - Calosoma calidum Carabus - Carabus nemoralis Calosoma affine Chaudoir - Calosoma affine Black Caterpillar Hunter - Calosoma sayi Calosoma semilaeve - male Arizona Beetle for ID - Calosoma peregrinator Granulated Carabid - Carabus granulatus - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
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)