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For Insects, Spiders & Their Kin
For the United States & Canada
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Species Scolytus multistriatus - Smaller European Elm Bark Beetle

Scolytus  - Scolytus multistriatus Bark beetle - Scolytus multistriatus - male Scolytus sp.? - Scolytus multistriatus Scolytus sp.? - Scolytus multistriatus Beetle - Scolytus multistriatus Scolytus multistriatus Beetle - Scolytus multistriatus Beetle - Scolytus multistriatus
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)
2.2-3.0 mm
prominent spine on abdominal segment 2 separates S. multistriatus from S. rugulosus, the only other hardwood-infesting western scolytid. (UBC Forestry)
across US, w. Canada to c. Mexico (map)(1)
Elm (Ulmus, Ulmaceae)(1)
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)