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Species Cucujus clavipes - Red Flat Bark Beetle

Cucujus clavipes red Cucujus clavipes - eclosed from pupa - Cucujus clavipes Red Flat Bark Beetle - Cucujus clavipes Red Flat Bark Beetle - Cucujus clavipes Cucujus clavipes Cucujus clavipes red beetle on tree trunk - Cucujus clavipes
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Cucujoidea (Sap, Bark and Fungus Beetles)
No Taxon (Cucujid series)
Family Cucujidae (Flat Bark Beetles)
Genus Cucujus
Species clavipes (Red Flat Bark Beetle)
Explanation of Names
Cucujus clavipes Fabricius 1777
2 sspp., both in our area (Lee & Thomas 2011)
Adult 10-14 mm

differences between subspecies are more pronounced in larvae than in adults (Lee & Thomas 2011)
most of NA north to NF-AK(1)(2)
under loose bark of deciduous trees(1)
presumably predaceous on other arthropods
Life Cycle
Print References
Lee J., Thomas M.C. (2011) Clarification of the taxonomic status of Cucujus clavipes with descriptions of the larvae of C. c. clavipes and C. c. puniceus (Coleoptera: Cucujidae). Fla. Entomol. 94: 145–150 (Full text)
Sformo T., Walters K., Jeannet K., Wowk B., Fahy G.M., Barnes B.M., Duman J.G. (2010) Deep supercooling, vitrification and limited survival to -100°C in the Alaskan beetle Cucujus clavipes puniceus (Coleoptera: Cucujidae) larvae. J. Exper. Biol. 213: 502–509
Smith D.B., Sears M.K. (1982) Mandibular structure and feeding habits of three morphologically similar coleopterous larvae Cucujus clavipes (Cucujidae), Dendroides canadensis (Pyrochroidae), and Pytho depressus (Salpingidae). Can. Entomol. 114: 173-175.
Works Cited
1.Beetles of Eastern North America
Arthur V. Evans. 2014. Princeton University Press.
2.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.