Meet the pests

You can become a more effective First Detector by familiarizing yourself with invasive pests and pathogens known to exist in the U.S. If you think you have encountered one of these species or disease complexes, report its presence here.


Host: the affected plant on which a pest or pathogen completes its life cycle

Pathway: how a pest or pathogen moves or expands its range; this may be natural or human-driven

Emerging Threats

Some plant pests and pathogens not known to be present in the U.S. could threaten our plant resources if introduced.

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