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Desert locust: Locust Plague of 1874: 1874 United States: Rocky Mountain locust: Albert's swarm: 1875 United States: 3.5 – 12.5 trillion Rocky Mountain locust: 1915 Ottoman Syria locust infestation: 1915 Israel, Lebanon, and Syria: 2003–2005 Africa locust infestation: 2003–05 West Africa 2013 Madagascar locust infestation: 2013 Madagascar ...
Albert's swarm was an immense concentration of the Rocky Mountain locust that swarmed the Western United States in 1875. It was named after Albert Child, a physician interested in meteorology , who calculated the size of the swarm to 198,000 square miles (510,000 km 2 ) by multiplying the swarm's estimated speed with the time it took for it to ...
Sightings often placed their swarms in numbers far larger than any other locust species, with one famous sighting in 1875 estimated at 198,000 square miles (510,000 km 2) in size (greater than the area of California), weighing 27.5 million tons and consisting of some 12.5 trillion insects, the greatest concentration of animals ever ...
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 ...
The transformation of the locust to the swarming form is induced by several contacts per minute over a four-hour period. [11] A large swarm can consist of billions of locusts spread out over an area of thousands of square kilometres, with a population of up to 80 million per square kilometre (200 million per square mile). [12]
A single square kilometer swarm can eat as much food in a day as 35,000 people and the FAO warned last month that, left unchecked, the number of locusts in East Africa could explode by 500 times ...
In January 2016, Argentina faced the largest locust swarm for over 60 years. Diego Quiroga, Argentina's agriculture agency’s chief of vegetative protection, said that it was impossible to eradicate the swarm, so they focused on minimizing the damage caused by it by sending out fumigators equipped with backpack sprayers to exterminate small pockets of young locusts that are still unable to fly.
Argentina and Brazil are monitoring the movement of a 15-square-kilometer locust swarm in Argentina's northeast, though authorities and specialists said so far it had not caused significant damage ...