Abstract: Through investigating locusts occurrence and evolution status,collecting locusts samples, we know there are 27 locust species in Baotou City area.The main harmful species is the Oedalrus decorus asiaticus.They damage crops mainly with the north of Yinshan Mountain.Bring forward general prevention and cure measure aim at the locusts of the area:Regarding controlling grassland locust's harm and protecting grassland ecosystem as the cure,regarding forecast and prediction as the basic,regarding lash-up prevention and cure as guarantee,regarding chemic prevention and cure,biology prevention and cure,ecosystem control as the measure,prevent and cure the locust's arising in the area of Baotou City.Follow the principle is controlling the main harmful species, keeping away the minor harmful species,paying attention to the potential harmful species.The basic route is resuming grassland ecosystem,pinpointing according to modem technology,combining biologic and chemic prevention and cure.Debase the locust's harm to the lowest level.

Key words: Locust, Species distributing, Dominance colony, Harm's control

CLC Number: 

• S433.2