Pest Tracker - Survey Status of Brown Spruce Longhorned Beetle
https://www.pesttracker.org/map.php?code=INALQRA
USDA. APHIS. Cooperative Agricultural Pest Survey. National Agricultural Pest Information System.
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Screening Aid - Spruce Longhorn Beetles
Jan 2019PDF5.04 MBhttps://idtools.org/pdfs/Tetropium%20spp.pdfUSDA. APHIS. PPQ. CPHST. Identification Technology Program.
See also: ITP Products for more screening aids