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For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Tribe Carabini

Fiery Searcher - Calosoma scrutator Fiery Searcher - Calosoma scrutator Calosoma affine Chaudoir - Calosoma affine - female Carabid - Carabus nemoralis Large Ground Beetle - Carabus nemoralis carabid - Carabus maeander metallic beetle - Calosoma wilcoxi Darkling Beetle - Carabus nemoralis
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
3 genera with ~900 spp. worldwide (of which one extremely large but mostly Palaearctic), all represented in our area (ca. 55 spp.)(1)
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