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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.
Although he studied many aspects of army ant biology, he particularly focused on the animals associated with the ants and especially mites which live on the ants. He was well known for his photography of army ants, with his photographs appearing in over 100 publications, and he used his video footage to create two DVDs.
Eciton hamatum is a species of army ant in the subfamily Dorylinae; it is found from Mexico to central Brazil and Bolivia. The species differs from Eciton burchellii, in that it does not fan out into the underbrush when foraging. Rather, it forages in columns, often in trees and preying exclusively on the larvae of other social insects.
Dorylus laevigatus is a member of the army ant genus Dorylus, or Old World army ants.More specifically known as "driver ants", the genus Dorylus is abundant throughout Africa and stretches into tropical Asia, where D. laevigatus is primarily found.
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Cheliomyrmex is a New World genus of army ants in the subfamily Dorylinae. [2] In Central America, C. morosus is known from Mexico to Honduras, and Panama. C. andicola, C. audax, C. ursinus and C. megalonyx are known from Colombia and further into South America. [3]