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Genus Atomaria

pointy-caud brown beetle - Atomaria nigrirostris less two-toned - Atomaria wollastoni Unknown Beetle  - Atomaria ephippiata Silken Fungus Beetle - Atomaria ephippiata Silken Fungus Beetle - Atomaria ephippiata Orange and brown microbeetle - Atomaria Beetle - Atomaria lewisi IMG_1253 - Atomaria
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 Cucujiformia)
Superfamily Cucujoidea (Sap, Bark and Fungus Beetles)
No Taxon (Cucujid series)
Family Cryptophagidae (Silken Fungus Beetles)
Subfamily Atomariinae
Tribe Atomariini
Genus Atomaria
Explanation of Names
Atomaria Stephens 1829
Numbers
10 spp. in our area per(1) -- a clear underestimate; perhaps it was meant to apply to Atomaria s.str. only and does not reflect the fauna of a more species-rich subgenus Anchicera; the real number must be at least 70. (=v=)
10 species are known in Atlantic Canada alone(2)
Size
1-2 mm
Identification
a key to spp. with habitus photos of all 10 spp. known in Atlantic Canada is provided in(2) -- good for identification of the most common ne. NA species.
Range
worldwide and throughout NA(1)
See Also
Toramus are superficially similar
Works Cited
1.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.
2.The Atomariinae of Atlantic Canada, by Christopher Majka