Tool selection during foraging in two species of funnel ants

István Maák, Gábor Lőrinczi, Gábor Módra, Dalila Bovet, Josep Call, Patrizia d’Ettore

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

Tool use by non-human animals has received much research attention in the last couple of decades. Nonetheless, research has focused mostly on vertebrates, particularly primates and corvids, even though tool use has also been documented in insects. One of the best documented examples involves ants using debris (e.g., sand grains, mud, leaf fragments) to collect and transport liquid food to their nest. However, little is known about the factors that determine the selection of materials to be used as tool. We investigated tool selection in two species of Aphaenogaster ants by giving them the choice between different kinds of potential tools (natural and artificial objects). Ant workers showed a clear preference for certain materials to be used as tool objects. Tool selection was also shaped by familiarity with the material as ants developed a preference for artificial tools with a good soaking capacity that cannot be found in their natural environment. Our results indicate that ants of this genus evolved unique foraging strategies and show plasticity in their behaviour.
Original languageEnglish
Pages (from-to)207-216
Number of pages10
JournalAnimal Behaviour
Volume123
Early online date3 Dec 2016
DOIs
Publication statusPublished - Jan 2017

Keywords

  • Ants
  • Aphaenogaster
  • Foraging
  • Food transport
  • Tool use

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