Collective Animal Behavior by David J. T. Sumpter

Author:David J. T. Sumpter [Sumpter, David J. T.]
Language: eng
Format: epub, pdf
Publisher: Princeton University Press
Published: 2010-09-27T00:00:00+00:00

Raid Networks

Army ant species (Franks 1989; Schneirla 1971; Topoff 1984), as well as Leptogenys processionalis (Ganeshaiah & Veena 1991), and Pheidologeton diversus (Moffett 1988) all form swarm raid trails that last for a couple of days or less. These trails result from strong positive feedback from recruitment pheromones. The short-lasting raid patterns by the army ant (Deneubourg & Goss 1989; Franks 1991) and the predatory ant L. processionalis (Ganeshaiah & Veena 1991) have been measured in detail. These networks at first expand as the ants search for food and then tend to contract once resource items are located and foraging is focused on these resources. As such, these exploratory networks provide a trade-off between a minimization of the cost of travel and a maximization of the area over which the ants search for prey items.

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