Perceptual differences in trail-following leaf-cutting ants relate to body size

Kleineidam, Christoph; Rössler, Wolfgang; Hölldobler, Bert; Roces, Flavio

Perceptual differences in trail-following leaf-cutting ants relate to body size

Dateien

Kleineidam_160037.pdfGröße: 860.95 KBDownloads: 404

Datum

2007

Autor:innen

Kleineidam, Christoph

Rössler, Wolfgang

Hölldobler, Bert

Roces, Flavio

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Journal of Insect Physiology. 2007, 53(12), pp. 1233-1241. ISSN 0022-1910. Available under: doi: 10.1016/j.jinsphys.2007.06.015

Zusammenfassung

Leaf-cutting ants of the genus Atta have highly size-polymorphic workers, and size is related to division of labor. We studied trail-following behavior of different-sized workers in a laboratory colony of Atta vollenweideri. For small and large workers, we measured responsiveness and preference to artificial conspecific and heterospecific pheromone trails made from poison gland extracts of A. vollenweideri and A. sexdens. Responsiveness was measured as the probability of trail-following, and preference was measured by testing the discrimination between one conspecific and one heterospecific trail. Minute amounts of the releaser component methyl-4-methylpyrrole-2-carboxylate (0.4 pg/1 m), present in both, conspecific and heterospecific trails, suffice to elicit trail-following behavior. Workers followed heterospecific trails, and these trails (after normalizing their concentration) were as effective as conspecific trails. Small workers were less likely to follow a trail of a given concentration than large workers. In the discrimination test, small workers preferred the conspecific trail over the heterospecific trail, whereas large workers showed no significant preference. It is suggested that large workers primarily respond to the releaser component present in both trails, whereas small workers focus more on the conspecific traits provided by the blend of components contained in the trail pheromone.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Zitieren

ISO 690

KLEINEIDAM, Christoph, Wolfgang RÖSSLER, Bert HÖLLDOBLER, Flavio ROCES, 2007. Perceptual differences in trail-following leaf-cutting ants relate to body size. In: Journal of Insect Physiology. 2007, 53(12), pp. 1233-1241. ISSN 0022-1910. Available under: doi: 10.1016/j.jinsphys.2007.06.015

BibTex

@article{Kleineidam2007-12Perce-16003,
  year={2007},
  doi={10.1016/j.jinsphys.2007.06.015},
  title={Perceptual differences in trail-following leaf-cutting ants relate to body size},
  number={12},
  volume={53},
  issn={0022-1910},
  journal={Journal of Insect Physiology},
  pages={1233--1241},
  author={Kleineidam, Christoph and Rössler, Wolfgang and Hölldobler, Bert and Roces, Flavio}
}

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