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Colonies of army ants are large compared to the colonies of other Formicidae. Colonies can have over 15 million workers and can transport 3000 prey (items) per hour during the raid period. [14] [20] When army ants forage, the trails that are formed can be over 20 m (66 ft) wide and over 100 m (330 ft) long. [20]
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 ...
Aenictogiton or army ants never forage or hunt alone, they instead use leaderless, co-operative mass of ants to overwhelm their prey all at once. The army ants never reside in one location and do not build permanent nests. Therefore, they forage and hunt in different locations and emigrate periodically. [7]
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.
The big-headed ant species, which originated on the island of Mauritius, is one of the most invasive insects in the world, with colonies found at 1,600 locations, from East Africa to states across ...
Aenictus is a large army ant genus distributed in the Old World tropics and subtropics. [3] It contains about 181 species, [ 2 ] making it one of the larger ant genera of the world. [ 4 ]
Colonies of real army ants have only one queen, so when she dies, the workers may try to join another colony, or the rest of the colony also dies; Carebara colonies can have many (up to 16) queens. Carebara species perform a nuptial flight; real army-ant queens have no wings (queens and workers of the Dorylus species are even blind) and mate on ...
Nomamyrmex is a genus of army ants in the subfamily Dorylinae. [2] Its two species are distributed in the Neotropics: Nomamyrmex esenbeckii is known from southern United States to northern Argentina, and Nomamyrmex hartigii is known from Mexico to southern Brazil. [3] Nomamyrmex esenbeckii is the only known predator of mature colonies of Atta ...