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Swarms have devastated crops and have caused famines and human migrations. More recently, changes in agricultural practices and better surveillance of locust breeding grounds have allowed control measures at an early stage. Traditional locust control uses insecticides from the ground or air, but newer biological control methods are proving ...
Swarms can travel 5 to 130 km or more in a day. Locust swarms can vary from less than one square kilometre to several hundred square kilometres with 40 to 80 million individuals per square kilometre. An adult locust can consume its own weight (several grams) in fresh food per day. For every million locusts, one ton of food is eaten.
Locust swarms had infested 23 countries by April 2020. East Africa was the epicenter of the locust crisis—with Ethiopia, Kenya, Somalia, and Uganda among the affected countries. However, the locusts had traveled far, wiping out crops in Pakistan and damaging farms in Yemen, a fragile country already hit hard by years of conflict.
Locusta migratoria migratorioides, commonly known as the African migratory locust, is a subspecies of the migratory locust family Acrididae. It occurs in most of Africa south of the Sahara Desert, but its main breeding ground, and the original source of most plagues, is on the floodplains of the Niger River in West Africa.
Calliptamus italicus, the Italian locust, is a species of 'short-horned grasshopper' belonging to the family Acrididae, subfamily Calliptaminae. This species is native of the steppes of Central Asia, but it is also present in most of Europe , in the eastern Palearctic realm , in North Africa , and in the Near East .
The desert locust is a species of orthopteran in the family Acrididae, subfamily Cyrtacanthacridinae. [2] There are two subspecies, one called Schistocerca gregaria gregaria, the better known and of huge economic importance, located north of the equator, and the other, Schistocerca gregaria flaviventris, [9] [10] which has a smaller range in south-west Africa and is of less economic importance ...
A bystander in Al Khobar, Saudi Arabia, captured the moment when swarms of locusts coated the sky above him on Feb. 21. According to National Geographic, locusts are sometimes solitary insects ...
The Locust Plague of 1874, or the Grasshopper Plague of 1874, occurred in the summer of 1874 when hordes of Rocky Mountain locusts invaded the Great Plains in the United States and Canada. The locusts swarmed over an estimated 2,000,000 square miles (5,200,000 km 2) and caused millions of dollars' worth of damage. Residents described swarms so ...