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The name army ant (or legionary ant or marabunta [1]) is applied to over 200 ant species in different lineages. Because of their aggressive predatory foraging groups, known as "raids", a huge number of ants forage simultaneously over a limited area.
Eciton burchellii is a species of New World army ant in the genus Eciton. This species performs expansive, organized swarm raids that give it the informal name, Eciton army ant. [2] This species displays a high degree of worker polymorphism. Sterile workers are of four discrete size-castes: minors, medias, porters (sub-majors), and soldiers ...
Eciton army ants have a bi-phasic lifestyle in which they alternate between a nomadic phase and a statary phase. In the statary phase, which lasts about three weeks, the ants remain in the same location every night. They arrange their own living bodies into a nest, protecting the queen and her eggs in the middle.
How an army of ants saved zebras from hungry lions in Kenya. Louise Boyle. January 26, 2024 at 12:20 PM ... with colonies found at 1,600 locations, from East Africa to states across the US south. ...
Agricultural officials in Southern California are battling an active infestation of red imported fire ants that are "highly aggressive in nature," and pose a risk to California's agricultural ...
Army ant bivouac. A bivouac is an organic structure formed by migratory driver ant and army ant colonies, such as the species Eciton burchellii.A nest is constructed out of the living ant workers' own bodies to protect the queen and larvae, and is later deconstructed as the ants move on.
Local arthropod densities remain stable even in the presence of a foraging colony of the ants, in sharp contrast to the decimation a colony of typical army ants imposes on local arthropods.2 Above ground foraging driver and army ants have been observed collecting upwards of 90,000 insects per day in their raids, a number which Even juvenile ...
Army ant colonies may move locations each day in search of food. [16] These bridges provide a path over obstacles and allow for the ants to search for food at an increased speed. [16] The bridges are constructed when the ants join their bodies together, and can vary in size and shape depending on the situation the ants face. [16]