USDA’s Animal and Plant Health Inspection Service (APHIS) has assessed the potential environmental impacts associated with releasing the Japanese knotweed psyllid (Aphalara itadori) to biologically control Japanese, Giant, and Bohemian knotweeds (Fallopia japonica, F. sachalinensis, and F. x bohemica) within the contiguous United States. These knotweeds are significant invasive weeds. Based on their thorough analysis, read more APHIS Seeks Comments on the Release of the Japanese Knotweed Psyllid