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A Proboscis Extension Response Protocol for Investigating Behavioral Plasticity in Insects: Application to Basic, Biomedical, and Agricultural Research
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Group phenotypic composition drives task performances in ants.

Rayanne Martin1, Chloé Leroy1, István Maák2,3

  • 1Laboratory of Experimental and Comparative Ethology (LEEC), UR 4443, University Sorbonne Paris Nord, 99 Avenue J.-B. Clément, 93430 Villetaneuse, France.

Biology Letters
|January 9, 2024
PubMed
Summary
This summary is machine-generated.

High-exploring ants form more effective groups, showing increased aggression, prey collection, and nest relocation speed. Individual ant behavior strongly influences group performance, supporting the behavioral type hypothesis.

Keywords:
animal personalitycollective behaviourexploratory activitysocial insects

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Area of Science:

  • Animal behavior
  • Eusocial insects
  • Group dynamics

Background:

  • Individual behavioral differences can lead to group functional differences, especially in social animals.
  • The translation of individual behavioral phenotypes into group phenotypes is not well understood.
  • Eusocial insects provide a model system to study the link between individual and collective behavior.

Purpose of the Study:

  • To investigate how individual behavioral types influence group performance in the ant species *Aphaenogaster senilis*.
  • To test the behavioral type hypothesis in a eusocial insect context.
  • To determine if group behavior can be predicted from individual behavioral traits.

Main Methods:

  • Measuring individual behavioral traits in *Aphaenogaster senilis* workers.
  • Creating experimental groups composed of either high-exploratory or low-exploratory workers.
  • Assessing group performance in ecologically relevant tasks: intruder response, prey retrieval, nest relocation, and tool use.

Main Results:

  • Groups of high-exploratory workers exhibited greater aggression towards intruders compared to low-exploratory groups.
  • High-exploratory groups were more efficient in prey retrieval and faster in nest relocation.
  • Groups of high-exploratory ants were more likely to engage in tool use.

Conclusions:

  • A strong correlation exists between individual and collective behavior in ants.
  • The study supports the behavioral type hypothesis, suggesting individual behavior reflects inherent types.
  • The average behavioral phenotype of a group can be predicted by the behavioral types of its individual members.