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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

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Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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Species Scolytus multistriatus - Smaller European Elm Bark Beetle

Scolytid - Scolytus multistriatus Scolytid - Scolytus multistriatus Coleo - Scolytus multistriatus Bark beetle - Scolytus multistriatus - male Dutch Elm Weevil - Scolytus multistriatus Scolytinae - Scolytus multistriatus Beetle - 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
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_-2018) 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)