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Family Rhysodidae - Wrinkled Bark Beetles

Rhysodid - Clinidium baldufi - male Omoglymmius americanus Clinidium? - Clinidium Clinidium Clinidium badulfi? - Clinidium - female Clinidium badulfi? - Clinidium - female Maroon beetle under tree bark - Clinidium Pennsylvania Beetle for ID - Clinidium
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Rhysodidae (Wrinkled Bark Beetles)
Synonyms and other taxonomic changes
Rhyssodidae Jacquelin du Val 1857
Some workers treat this group as part of the Carabidae --a recent trend not followed in (1) or in the Guide
Explanation of Names
Rhysodidae Laporte 1840
8 spp. in 2 genera in our area, >350 spp. in 40 genera worldwide(1)(2)
5-8 mm(3)

Omoglymmius (left) has the elytral striae strongly punctate and the lateral grooves of the pronotum long
Clinidium (right) has the elytral striae not or indistinctly punctate and the lateral grooves present only on basal half
Regional keys in (4)(5)(6)(7)
much of the world, by far more diverse in the S hemisphere(1)
Dead, often very moist, wood of hardwoods and conifers(3)
Presumably slime molds (Myxomycetes)(3)
Internet References
Taxon profile (Bell 1999)
Works Cited
1.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.
2.Order Coleoptera Linnaeus, 1758. In: Zhang Z.-Q. (ed.) Animal biodiversity: An outline of higher-level classification...
Ślipiński S.A., Leschen R.A.B., Lawrence J.F. 2011. Zootaxa 3148: 203–208.
3.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.
4.Ground Beetles and Wrinkled Bark Beetles of South Carolina
Janet Ciegler. 2000. Clemson University.
5.The Beetles of Northeastern North America, Vol. 1 and 2.
Downie, N.M., and R.H. Arnett. 1996. The Sandhill Crane Press, Gainesville, FL.
6.The Beetles of the Pacific Northwest
Hatch, M. 1953. University of Washington publications in biology, Volume 16. University of Washington Press, Seattle, Washington.
7.Florida Wrinkled Bark Beetles (Coleoptera: Carabidae: Rhysodini)