Forest protection airplanes organized by Beijing's forestry protection station were spraying insect repellent on trees in Beijing's Daxing District on Apr. 16. US white moths started to threaten Beijing, Tianjin, Hebei, Liaoning, Shandong and Shaanxi again lately. In order to prevent pest disasters from occurring in forests, the General Office of the State Council released the "notice of further reinforcing prevention and control of US white moths" recently. In 2006, the forestry station plans to fly 450 planes and protect an area of 450,000 mu (74,250 acres).

Forest protection airplanes organized by Beijing's forestry protection station were spraying insect repellent on trees in Beijing's Daxing District on Apr. 16. US white moths started to threaten Beijing, Tianjin, Hebei, Liaoning, Shandong and Shaanxi again lately. In order to prevent pest disasters from occurring in forests, the General Office of the State Council released the "notice of further reinforcing prevention and control of US white moths" recently. In 2006, the forestry station plans to fly 450 planes and protect an area of 450,000 mu (74,250 acres).