Locusts in Baiyangdian area and their control

This paper deals with the locusts in Baiyangdian lake and their control. From 1998 to 2002, the authors studied the species, the distribution, the dominant groups, hydrology, vegetation, soil and natural enemy of locusts in this area. The investigation shows there are 30 species of locusts, which belong to 22 categories of 6 sections divided in three parts of the locusts area. There are five dominant groups. Among them Locusta migratoria manilensis(Meyen) is the moot important species. According to different kinds of locust habitats, three control technologies were used, including departing locust areas, ecological and chemical control, as well as the way of “two changes and one reinforcing”.