What Is The Most Destructive Insect In The World?
The most destructive insect is the desert locust (Schistocera gregaria), the locust described in the Bible. This insect's habitat ranges from the dry and semi-dry regions of Africa and the Middle East, through Pakistan and northern India. This short-horn grasshopper can eat its own weight in food in one day. During long migratory flights, a large swarm can consume 20,000 tons (18,144,000 kilograms) of grain and vegetation per day.
Source: Wood, Gerald L. The Guinness Book of Animal Facts and Feats, 3rd ed., p. 174.