Select the non-indigenous forest pest to view maps depicting state and county distribution. Produced by: USDA, FS, Forest Health Protection, and its partners.
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USDA. FS. Northern Research Station.
Plant Health Australia.
USDA. APHIS. PPQ. CPHST. Identification Technology Program.
Kansas State University. Cooperative Extension Service.
USDA. APHIS. Plant Protection and Quarantine.
University of Minnesota. Extension.