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For Insects, Spiders & Their Kin
For the United States & Canada
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Species Chaetophora spinosa

Pill Beetle? - Chaetophora spinosa Pill Beetle? - Chaetophora spinosa Pill Beetle? - Chaetophora spinosa Pill Beetle - Chaetophora spinosa pill beetle - Chaetophora spinosa pill beetle - Chaetophora spinosa Chaetophora spinosa minute byrrhid - Chaetophora spinosa
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 Byrrhoidea (Pill, Water and Toe-winged Beetles)
Family Byrrhidae (Pill Beetles)
Subfamily Syncalyptinae
Genus Chaetophora
Species spinosa (Chaetophora spinosa)
Synonyms and other taxonomic changes
=Syncalypta spinosa
Explanation of Names
Chaetophora spinosa (Rossi 1794)
0.9-2.1 mm
native to, and widespread across Eurasia(1), adventive in NA: ne. US (south to MD-OH) & adjacent Canada + ID-BC(2)(3)
disturbed, moist habitats, with silty topsoils or exposures(3)
Works Cited
1.Keys to the insects of the Far East of the USSR, Vol. 3. Coleoptera I
Lehr P.A., ed. 1989. Leningrad, Nauka Publishing House, 572 pp.
2.Johnson P.J. (-2013) Project Byrrhus
3.Adventive and native Byrrhidae (Coleoptera) newly recorded from Prince Edward Island
Majka C.G., Noronha C., Smith M. 2006. Zootaxa 1168: 21-30.