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Related Experiment Video

Updated: Jun 2, 2026

A Visual Guide for Studying Behavioral Defenses to Pathogen Attacks in Leaf-Cutting Ants

A Visual Guide for Studying Behavioral Defenses to Pathogen Attacks in Leaf-Cutting Ants

Published on: October 12, 2018

Recognition in ants: social origin matters.

Joël Meunier¹, Olivier Delémont, Christophe Lucas

¹Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland. joel.meunier@unibas.ch

|May 17, 2011

Summary

Ant workers discriminate against foreign eggs based on their social origin. Surprisingly, they accepted eggs from multiple-queen colonies, revealing chemical cues in social insect discrimination.

Area of Science:

Evolutionary biology
Behavioral ecology
Chemical ecology

Background:

Nestmate recognition is crucial for social cohesion in insect colonies.
Colony social structure, particularly queen number, is believed to influence discrimination abilities.
The impact of an individual's social origin on its acceptance by foreign colony members is understudied.

Purpose of the Study:

To investigate if the social origin of queen-laid eggs affects their acceptance by foreign workers in the ant Formica selysi.
To determine if chemical profiles of eggs correlate with their social origin and acceptance.

Main Methods:

Egg-acceptance bioassays were conducted using eggs from single- and multiple-queen colonies.
Chemical analyses were performed on the cuticular hydrocarbons of eggs and workers.

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Induction and Evaluation of Inbreeding Crosses Using the Ant, Vollenhovia Emeryi

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Visual Classical Conditioning in Wood Ants

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Published on: October 5, 2018

Main Results:

Workers from both single- and multiple-queen colonies discriminated against foreign eggs from single-queen colonies.
Foreign eggs originating from multiple-queen colonies were surprisingly accepted by workers.
Distinct chemical profiles were identified for eggs and workers based on their social origins.

Conclusions:

Social origin of eggs influences nestmate discrimination in ants.
Chemical signatures encode the social origin of eggs, impacting their acceptance.
This study provides novel insights into the role of chemical ecology in social insect evolution and colony recognition.