Chapter 4 LOCUSTS Wu Junxiang T Li Yiping Junxw@nwsuaf.edu.cn 1yp2003@126.com
Wu Junxiang Junxiang & Li Yiping Junxw@nwsuaf.edu.cn lyp2003@126.com Chapter 4 Chapter 4 LOCUSTS
Outline > Overview > Biology > Bionomics > Migratory locusts Rice locusts > Survey methods Management
Outline Outline ¾ Overview ¾ Biology ¾ Bionomics ¾ Migratory locusts ¾ Rice locusts ¾ Survey methods ¾ Management
Overview Classification Locusts grasshoppers. Chinese name:蚂蚱. Belong to Tetrigoidea(蚱总科)， Eumastacoidea(蜢总科)，Acridoidea-= Locustoidea(蝗总科)respectively in Acridodea=Locustodea(蝗亚目)， Orthoptera. *More than 10000 species recorded in world.About 1000 in China
Overview Overview Classification Classification Locusts = grasshoppers. Chinese name: 蚂蚱. Belong to Tetrigoidea (蚱总科), Eumastacoidea (蜢总科), Acridoidea= Locustoidea (蝗总科) respectively in Acridodea=Locustodea(蝗亚目), Orthoptera. More than 10000 species recorded in world. About 1000 in China
A Devastating Insect Locusts are highly mobile,and usually fly with the wind at a speed of about 15-20 km/h.Swarms can travel about 5-130 km or more in a day. Locust swarm sizes can vary from less than one square kilometer to several hundred square kilometers with 40 to 80 million locusts per square kilometer. >An adult locust can consume its own weight in fresh food per day
A Devastating Insect A Devastating Insect ¾ Locusts are highly mobile, and usually fly with the wind at a speed of about 15-20 km/h. Swarms can travel about 5-130 km or more in a day. ¾ Locust swarm sizes can vary from less than one square kilometer to several hundred square kilometers with 40 to 80 million locusts per square kilometer. ¾ An adult locust can consume its own weight in fresh food per day
