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For the United States & Canada
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Upcoming Events

Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Species Euwallacea validus

Bark beetle - Euwallacea validus Bark / Ambrosia beetle - Euwallacea validus Euwallacea - Euwallacea validus Holly trees dying - Beetle 2 - Euwallacea validus Holly trees dying - Beetle 2 - Euwallacea validus Euwallacea validus Unknown Scolytinae? - Euwallacea validus Horned Powder-post Beetle? - Euwallacea validus
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 Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Scolytinae (Bark and Ambrosia Beetles)
Tribe Scolytini (Typical Bark Beetles)
Subtribe Xyleborina
Genus Euwallacea
Species validus (Euwallacea validus)
Explanation of Names
Euwallacea validus (Eichhoff 1875)
native to Asia, adventive and widespread in e. US (VT-GA-AL to MO-TX) & ON(1)
stumps/boles of hardwoods and conifers(2)
highly polyphagous (recorded hosts include members of 20 families)(1)
earliest record in our area: NY 1976(3)
Internet References
Works Cited
1.Atkinson T.H. (200_-2014) Bark and ambrosia beetles
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.Exotic bark and ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) in the United States: potential and current invaders
Haack R.A., Rabaglia R.J. 2013. In: Potential invasive pests of agricultural crops. Peña J.E., ed. CABI International, Wallingford, UK, pp. 48-74.