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Family Clambidae - Minute Beetles

Minute Beetle - Clambus armadillo Minute Beetle - Clambus howdeni Minute Beetle - Clambus howdeni Clambus armadillo? - Clambus armadillo extreme small.. - Clambus gibbulus Very small round beetle.. - Clambus gibbulus Sonora2 J38 - Clambus Clambidae extracted from oak bark in a Berlese funnel.
Classification
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 Elateriformia)
Superfamily Scirtoidea (Plate-thigh and Marsh Beetles)
Family Clambidae (Minute Beetles)
Explanation of Names
Clambidae Fischer von Waldheim 1821
Numbers
13 spp. in 3 genera in our area; 170 spp. in 6 genera total(1)
Size
0.7-2.0 mm(2)
Identification
minute, oval, convex, most capable of rolling into a ball, with head strongly deflexed. Divided eyes, large metacoxal plate. Most with dense decumbent setae. Tarsi 4-4-4.(2)
Key to northeastern fauna in Majka and Langor (2009)(3)
Habitat
decaying plant material
Works Cited
1.New country record for Clambus formosanus japonicus Endrödy-Younga (Coleoptera: Clambidae) from the USA, with an updated key...
Hinson K.R., Chandler D.S., Keller O. 2020. Col. Bull. 74: 181-187.
2.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
3.Clambidae (Coleoptera) of Atlantic Canada
Majka, C.G. and D.W. Langor. 2009. Journal of the Acadian Entomological Society 5: 32-40.