Outbreak of Oriental migratory locust Locusta migratoria manilensis(Meyen)in Baiyandian Lake.
Author of the article:REN Chun-Guang
Author's Workplace:(Plant Protection Station of Anxin county,Hebei Province,Anxin071600,China).
Key Words:Locusta migratoria manilensis(Meyen);outbreak;water level
Abstract:Since 1990,Oriental migratory locust Locusta migratoria manilensis had continually broken out four time in Baiyangdian lake which had been very rare in the recent fifty years. The major reason of that is the influence of variation of water level o