The UK's Department for Environment, Food and Rural Affairs (Defra) and The Welsh Assembly Government have announced approval to release the psyllid, Aphalara itadori to stop the spread of Japanese knotweed. Read Defra's press release and The Welsh Assembly Government's press release

The earliest time at which release could be realised is Spring/Summer 2010. Release of the psyllid will be on a phased basis, with the initial release at two to three closely monitored sites in England. Frequently Asked Questions

CABI, who have undertaken the scientific research, are world experts in natural control. CABI has an excellent international track record for discovering, safety testing, and assisting governments release natural control agents. To find out more, visit www.cabi.org

Watch CABI's Dr Dick Shaw's introduction to invasive species, natural control, and how it can be used to control Japanese knotweed.    

For further information, please use the links on the left, or download an information pack which will provide you with information about the plant, the project and the scientific research carried out.