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Topic: Atta columbica


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In the News (Thu 31 Dec 09)

  
  Dump Chambers
It is unclear why the ants do this, but it may be to prevent any parasites and diseases that may have caused the ants or fungus to die, or which have been brought into the nest on plant material, from spreading to the rest of the colony.
In natural nests of some Atta species such as Atta vollenweideri and Atta cephalotes, these dump chambers are deep underground, often more than 2 m below the surface.
Atta columbica colonies, however, dump waste material on a single mound some distance outside the nest.
www.zi.ku.dk /personal/drnash/atta/Pages/lcf.html   (140 words)

  
  Atta - Wikipedia, the free encyclopedia
Atta is a genus of New World ants of the subfamily Myrmicinae.
Atta exhibits a high degree of polymorphism, five castes being present in esablished colonies - minims (or 'garden ants'), minors, mediae and majors (also called soldiers or dinergates) being present.
Atta has evolved to constantly change foodplant, preventing a colony from completely stripping of leaves and thereby killing trees, thus avoiding negative biological feedback on account of their sheer numbers.
en.wikipedia.org /wiki/Atta   (407 words)

  
 YourArt.com >> Encyclopedia >> Atta   (Site not responding. Last check: 2007-10-29)
Before leaving their parent colonies, female alates take a small section of fungus into their buchal pouches and it is with this that the subsequently deälated queens 'seed' the fungus gardens of incipient colonies, cutting and collecting the first few sections of leaf themselves.
Atta Fabricius, 1805 is a genus of new world ants of the subfamily Myrmicinae.
Atta exhibits a high degree of polymorphism, five castes being present in esablished colonies - minims (or 'garden ants'), minors, mediae and majors (also called

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