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Citrus Longhorned Beetle

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Citrus Long-Horned Beetle, Adult
Scientific Name:

Anoplophora chinensis (Forster) (Haack et al. 2010)

Common Name:
Citrus longhorned beetle (CLB), citrus-root cerambycid, rough-shouldered longhorned beetle
Citrus Longhorned Beetle, Adult - Photo by Art Wagner; USDA, Animal and Plant Health Inspection Service
Native To:

China, Japan and Korea (Gyeltshen and Hodges 2005)

Date of U.S. Introduction:

Washington 2001 – eradicated (Gyeltshen and Hodges 2005)

Means of Introduction:

Intercepted at nurseries in imported plants (Haack et al. 2010)


Attacks numerous species of hardwood trees including Citrus spp., but also pecan, apple, Australian pine, hibiscus, sycamore, willow, pear, mulberry, pigeon pea, China-berry, poplar, litchi, kumquat, Japanese red cedar, and Ficus. (Gyeltshen and Hodges 2005)

Current U.S. Distribution:
Not currently established

Distribution/Maps/Survey Status


  • USDA. APHIS. Plant Protection and Quarantine.

    A Federal Order is a legal document issued in response to an emergency when the Administrator of APHIS considers it necessary to take regulatory action to protect agriculture or prevent the entry and establishment into the United States of a pest or disease. Federal Orders are effective immediately and contain the specific regulatory requirements.



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 Citrus Longhorned Beetle.

Council or Task Force

Washington State Recreation and Conservation Office. Washington Invasive Species Council.


USDA. APHIS. PPQ. CPHST. Identification Technology Program.

See also: Citrus Resource

European and Mediterranean Plant Protection Organization.

Nature Conservancy. Don't Move Firewood.

International Government

Department for Environment Food and Rural Affairs (United Kingdom).
See also: Pest and Disease Factsheets for more fact sheets.

Forestry Commission (United Kingdom). Forest Research.


Michigan State University. Integrated Pest Management Program.

See also: Forecasting Invasion Risks for more factsheets

University of Maryland Extension.

See also: Pest Threats for more fact sheets

University of Florida. Institute of Food and Agricultural Sciences Extension.
Electronic Data Information Source Publication #ENY357