Abstract
Foragers of the ant Formica schaufussitend to return to and search at a site of a previous food find. The search tactic employed by a forager on its return trip is related to the type of food previously encountered: search is more persistent in response to carbohydrate than to protein food. Using different reinforcement schedules with carbohydrate and protein food rewards, we show that, on a short-term as well as on a long-term basis, the basic pattern of search observed in naive foragers is only slightly modified through foraging experience. Foragers do not increase their search effort or adjust their search pattern when either type of food is systematically renewed on a fixed reward schedule and thus do not seem to be able to learn to assess the food predictability. Collective responses that could compensate for this lack of individual flexibility and increase foraging efficiency at the colony level are discussed.
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Fourcassié, V., Traniello, J.F.A. Effects of experience on food-searching behavior in the antFormica schaufussi (Hymenoptera: Formicidae). J Insect Behav 6, 287–299 (1993). https://doi.org/10.1007/BF01048110
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DOI: https://doi.org/10.1007/BF01048110