USDA Clears Field Release of Knotweed Biocontrol Insect
AI-generated summary for informational purposes only. Not legal advice. See the original source for the authoritative text.
This notice clears the way for permits to release Aphalara itadori, a psyllid insect from Murakami, Japan, as a biological control tool against Japanese, giant, and Bohemian knotweeds across the contiguous United States. APHIS found that the release would not have a significant environmental impact, so it will not prepare a full environmental impact statement. The practical effect is mainly for invasive plant managers, land agencies, researchers, and environmental groups working on knotweed infestations, especially near rivers and floodplains. It supports a new permitted control option for plants that crowd out native vegetation and can affect stream ecosystems.
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Key Changes
- APHIS finalized a supplemental environmental assessment for releasing Aphalara itadori from Murakami, Japan.
- APHIS issued a finding of no significant impact, so no full environmental impact statement is required.
- APHIS authorized permits for field releases aimed at controlling Japanese, giant, and Bohemian knotweeds in the contiguous United States.