Reproductive Competition in Colonies of the Ant Leptothorax gredleri

Authors

  • Dr. Jürgen Heinze,

    Corresponding author
    1. Zoologie II, Biozentrum der Universität Würzburg, Würzburg
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      Heinzf, J., Lipski, N. & Hölldobler, B. 1992: Reproductive competition in colonies of the ant Leptothorax gredleri. Ethology 90, 265–278.

  • Norbert Lipski,

    1. Zoologie II, Biozentrum der Universität Würzburg, Würzburg
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    • 3

      Heinzf, J., Lipski, N. & Hölldobler, B. 1992: Reproductive competition in colonies of the ant Leptothorax gredleri. Ethology 90, 265–278.

  • Bert Hölldobler

    1. Zoologie II, Biozentrum der Universität Würzburg, Würzburg
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    • 3

      Heinzf, J., Lipski, N. & Hölldobler, B. 1992: Reproductive competition in colonies of the ant Leptothorax gredleri. Ethology 90, 265–278.


J. Heinzf, Zoologie H, Biozentrum der Universität, Am Hubland, W-8700 Würzburg, F.R.G.

Abstract

Colonies of the ant, Leptothorax (s. str.) gredleri may contain several inseminated female reproductives of which typically only one is laying eggs. Observations suggest that “functional monogyny” is caused by aggressive interactions among nestmate queens. Only the most dominant queen reproduces. Subordinate queens either leave the colony to found their own nests solitarily or by budding, or stay in the nest without reproducing, but may eventually replace the dominant queen. The interrelations of life history of L. gredleri, population structure and habitat characteristics are examined.

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