Chinese border regions step up efforts to prevent locust swarms.

BEIJING -- China's northwestern and southwestern border regions have strengthened measures to prevent and control the crop-damaging pests as more countries in Asia are facing plagues of desert locusts.

So far, the desert locusts have spread from East Africa to India and Pakistan, while experts believed that the pests may enter Tibet from Pakistan and India, travel to southwest China's Yunnan Province from Myanmar or invade northwestern Xinjiang Uygur Autonomous Region from Kazakhstan, according to local media here on Wednesday.

China's National Forestry and Grassland Administration has recently urged local authorities to step up monitoring, issue early warnings and alerts promptly, strengthen staff training and devise and improve emergency response plans to combat the possible spread of locusts.

The provincial forestry and grassland bureau of Yunnan said a monitoring network consisting of about 120 monitoring sites would be set up across the border areas in the province to prevent the invasion of desert locusts and its spread to other domestic regions.

The provincial agriculture and...