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Information about the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, 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

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


TaxonomyBrowse
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Tribe Carabini

Carabidae, Calosoma Scrutator ? - Calosoma scrutator Carabus - Carabus nemoralis Caterpillar Hunter - Calosoma scrutator Eating a Hyles lineata caterpillar that appears to have been stepped on - Calosoma semilaeve Beetle - Calosoma scrutator Calosoma scrutator (Fiery Searcher) - Calosoma scrutator Carabidae: Carabus nemoralis? - Carabus nemoralis fiery searcher - 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)