Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
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

TaxonomyBrowse
Info
ImagesLinksBooksData

Species Scolytus multistriatus - Smaller European Elm Bark Beetle

Scolytus  - Scolytus multistriatus Bark beetle - Scolytus multistriatus - male Bark beetle - Scolytus multistriatus - male Dutch Elm Weevil - Scolytus multistriatus dutch elm weevil - Scolytus multistriatus Scolytus sp.? - Scolytus multistriatus Scolytus sp.? - Scolytus multistriatus Beetle - Scolytus multistriatus
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 Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Scolytinae (Bark and Ambrosia Beetles)
Tribe Scolytini (Typical Bark Beetles)
Subtribe Scolytina
Genus Scolytus
Species multistriatus (Smaller European Elm Bark Beetle)
Explanation of Names
Scolytus multistriatus (Marsham 1802)
Size
2.2-3.0 mm
Identification
prominent spine on abdominal segment 2 separates S. multistriatus from S. rugulosus, the only other hardwood-infesting western scolytid. (UBC Forestry)
Range
across US, w. Canada to c. Mexico (map)(1)
Food
Elm (Ulmus, Ulmaceae)(1)
Remarks
A vector of Dutch elm disease
earliest record in our area: MA 1909(2)
Internet References
Fact sheet (anon. 2011)(3)
Works Cited
1.Atkinson T.H. (200_-2014) Bark and ambrosia beetles
2.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.
3.Forest invasive alien species (Canadian Forest Service)