Conservation Status
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Common.
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Cyclicity
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Adults have been collected in May to September.
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Distribution
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This species is found in Alaska and northeastern United States and ranges across most of Canada. In Alberta this species is relatively common throughout, except the very dry south-east regions.
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General Description
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This species is in the subgenus Oreocarabus. A rather variable species, but common features are: Black, without any trace of metallic lustre, elytra often rufinistic. The raised margin of prothorax is better defined inwards than in nemoralis. The elytral sculpture is based on seven faint ridges on each interval between the rows of foveae but the ridges are irregular, often so obscure and confluent that the impression is of punctures arranged into winding rows. Length 12.4 to 16.5 mm.
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Habitat
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Found primarily in open, dry country, particularly the tundra.
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Life Cycle
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Presence of immature adults in August suggests this species overwinters in the adult stage.
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Trophic Strategy
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Both larvae and adults are predatory.
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Carabus chamissonis
provided by wikipedia EN
Carabus chamissonis is a species of ground beetle in the family Carabidae. It is found in tundra regions across northern Canada and Alaska, as well as isolated populations on Mount Washington, New Hampshire and Katahdin in Maine.[1][2][3][4][5] This is a species of open, dry tundra environments - generally better drained than those occupied in the Arctic by Carabus truncaticollis [6]
References
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^ "Carabus chamissonis Report". Integrated Taxonomic Information System. Retrieved 2019-09-23.
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^ "Carabus chamissonis". GBIF. Retrieved 2019-09-23.
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^ "Carabus chamissonis species Information". BugGuide.net. Retrieved 2019-09-23.
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^ Bousquet, Yves (2012). "Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico". ZooKeys (245): 1–1722. doi:10.3897/zookeys.245.3416. PMC 3577090. PMID 23431087.
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^ Dearborn, R. G., et al., 2014: The Ground Beetle (Coleoptera: Carabidae) Fauna of Maine, USA; Coleopterists Bulletin, v. 68, no. 3, pp. 441-599.
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^ Lindroth, C. H., 1961: The Ground-Beetles (Carabidae, excl. Cicindelinae) of Canada and Alaska, part 2; p. 34. Opuscula Entomologica, Supplementum XX.
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Carabus chamissonis: Brief Summary
provided by wikipedia EN
Carabus chamissonis is a species of ground beetle in the family Carabidae. It is found in tundra regions across northern Canada and Alaska, as well as isolated populations on Mount Washington, New Hampshire and Katahdin in Maine. This is a species of open, dry tundra environments - generally better drained than those occupied in the Arctic by Carabus truncaticollis
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