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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 Xylosandrus germanus - Alnus Ambrosia Beetle

black beetle - Xylosandrus germanus Scolytine - Xylosandrus germanus Scolytine - Xylosandrus germanus Xylosandrus germanus - female Xylosandrus germanus - female  Euwallacea? - Xylosandrus germanus A nice little beetle ... with pollen. - Xylosandrus germanus Alnus Ambrosia Beetle - Xylosandrus germanus
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 Xylosandrus
Species germanus (Alnus Ambrosia Beetle)
Other Common Names
Smaller Alnus Bark Beetle, Black Stem Borer
Explanation of Names
Xylosandrus germanus (Blandford 1894)
native to Asia, adventive and now widespread in NA(1): US east of the Mississippi River (narrowly into adjacent Canada) + so. BC(2)
known to attack >200 host spp.
earliest record in our area: NY 1931(3)
emerging key pest of nursery trees (Ranger & Reding 2008)
Internet References
Fact sheet (anon. 2011)(4)
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.Atkinson T.H. (200_-2014) Bark and ambrosia beetles
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.
4.Forest invasive alien species (Canadian Forest Service)