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Brown Spruce Longhorned Beetle

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Brown Spruce Longhorn Beetle
Scientific Name:

Tetropium fuscum (Fabricius, 1787) (CABI)

Common Name:

Brown spruce longhorned beetle

Brown Spruce Longhorn Beetle, back; collected in Halifax County, Nova Scotia, Canada - Photo by Hanna Royals (screen aid from USDA, APHIS, PPQ)
Native To:

Central Europe and Asia (Sweeney et al. 2001)

Date of U.S. Introduction:

Not yet introduced to the United States, but has been established in Nova Scotia, Canada since 1990 (Sweeney et al. 2001)

Means of Introduction:

Can be spread through the movement of infested wood products (Rhainds et al. 2011)


Colonizes and attacks healthy spruce trees (Picea spp.) (Heustis et al. 2018)

Distribution/Maps/Survey Status



Selected Resources

The section below contains highly relevant resources for this species, organized by source. Or, to display all related content view all resources for Brown Spruce Longhorned Beetle.


USDAAPHISPPQCPHST. Identification Technology Program.

See also: ITP Products for more screening aids

Invasive Species Centre (Ontario); Great Lakes Forest Alliance.

IUCN. Species Survival Commission. Invasive Species Specialist Group.

Nature Conservancy. Don't Move Firewood.

International Government

Natural Resources Canada. Canadian Forest Service.

Natural Resources Canada. Canadian Forest Service.

State and Local Government

Minnesota Department of Agriculture.


Michigan State University. Integrated Pest Management Program.

See also: Forecasting Invasion Risks for more factsheets