Latin Name: Atta sexdens. Trivialname: Leafcutterant. Taxonomy: Subfamily: Myrmicinae Tribe: Attini. Keeping Level: (3) through their large Space- and. Atta sexdens, along with A. cephalotes, is the most widespread member of its genus. Its northern most range is Mexico, and extends through Central America. Atta sexdens: leafcutter ant: cubic feet), a colony of A. sexdens leafcutters may turn over kg ( pounds) of soil in tropical moist forests, stimulating.

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The largest of the ant castes, defenders usually have a head width above 3.

Queens may produce up to million daughters during their lifetime. The purpose of this behavior is not known for certain, but may be to protect the exposed foragers from attacks by parasitic insects. Eye tooth keels obsolete. Instead of going by age and producing large workers and soldiers, the queen reverted to producing small and mid-size workers as if she were in command of a younger colony.

Mating usually occurs from late October through the middle of december. The queen then starts a fungal garden using the piece brought from her birth colony. All waste in the nest, including infrabuccal pellets, spent substrate from the gardens, and dead ants are carried in the waste chambers to avoid contamination.


Retrieved from ” https: Vertex with very short lateral tooth.

The following information is derived from Barry Bolton’s New General Cataloguea catalogue of the world’s ants. Journey to the Ants. Forehead in the middle with Laengsrunzeln. The gaster, the organ used for applying these atga, can be used to mark cut leaves, cutting sites, territory boundaries, and paths to take to get to cutting sites or rubbish heaps.

By constructing and expanding the colony, A.

Atta sexdens

Before the nuptial flightyoung queens visit the colony’s fungal gardens and place a small piece of fungal mycelium in their infrabuccal cavities. Front corners poorly marked. This is not a primitive feature. Foraging behavior of leaf cutting ants: The third caste, Forager-Excavators, find food sources, lay trails to them, cut and retrieve vegetation, and also excavate the nest, making new chambers or recovering old ones that may have collapsed.

The largest amount of food results in virgin queens, while slightly less food creates soldiers. To cite this page: The results showed that the distance traveled by the leaf cutting ant, Atta sexdens rubropilosain the search of food was greater than the distance traveled to return with the substrate to the colony. The queen also lays a few eggs. The ADW Team gratefully acknowledges their support.


Atta sexdens – AntWiki

After the first brood of workers is ready, they take over the running of the fledgling colony and the queen becomes strictly an egg-laying machine. Head width 3 mm. Long hair on the head and gaster, shorter thorax, scattered pubescence. The seasonally flooded forest was dominated by Vochysia divergens Pohl. A small piece of fungus is placed on this substrate.

The virgin queens are very rarely successful. For websites, images must be clearly identified as coming from www.

Once the leaf fragments are inside the nest each is prepared with a drop of anal liquid which acts as a fertilizer. After the first 2 years, the colony grows in leaps and bounds, and sexually active queens and males appear.

Opaciceps of robusta and the soldiers of different sexdens by the scalp and through the smaller entertainments. Change View Bolton World Catalog. Head, thorax and pedicel thick and long woolly hair, the legs on the ventral side.