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Effect of Mature Colony Density on Colonization and Initial Colony Survivorship in Atta capiguara, a Leaf-Cutting Ant
H. G. Fowler, S. W. Robinson and J. Diehl
Vol. 16, No. 1 (Mar., 1984), pp. 51-54
Published by: Association for Tropical Biology and Conservation
Stable URL: http://www.jstor.org/stable/2387894
Page Count: 4
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Founding queens of the leaf-cutting ant Atta capiguara colonized fields at a rate directly proportional to the standing biomass of Atta colonies, which was estimated by the amount of soil excavated by ants. The percentage of queens that were successful in their initial colony foundation attempts (i.e., that successfully excavated and sealed their embryo nest) was inversely proportional to the standing Atta colony biomass. Elimination of mature Atta colonies by poison baits led to a higher success rate during initial colony founding than found in control plots with mature Atta colonies.
Biotropica © 1984 Association for Tropical Biology and Conservation