朝阳市位于辽宁省西部，每年发生松毛虫约 6.7万公顷，危害非常严重，森防工作任务十分艰巨。 1999年 3月，国家林业局发出了《关于开展森林病虫害防治检疫标准站建设的通知》，制定了标准站建设标准。随着，辽宁省林业厅制定了《辽宁省森林病虫害防治检疫标准站建设实施方案》 Chaoyang City, located in the western part of Liaoning Province, produces about 67,000 hectares of pine caterpillars each year. The damage is very serious and the task of preventing and controlling forest fires is extremely arduous. In March 1999, the State Forestry Administration issued the Circular on the Construction of Quarantine Station for Forest Pests and Diseases Prevention and Control, setting standards for the construction of standard stations. With the Liaoning Provincial Forestry Department has developed a “Liaoning Provincial Pest Control Quarantine Station construction implementation plan”