Recognition in Ants: Social Origin Matters
Author Information
Author(s): Meunier Joël, Delémont Olivier, Lucas Christophe
Primary Institution: University of Lausanne
Hypothesis
Does the social origin of queen-laid eggs affect their acceptance by foreign workers in the ant Formica selysi?
Conclusion
The study found that workers discriminated against foreign eggs from single-queen colonies but accepted those from multiple-queen colonies, indicating that social origins of eggs influence nestmate discrimination.
Supporting Evidence
- Workers from both single- and multiple-queen colonies discriminated against foreign eggs from single-queen colonies.
- Chemical analyses showed that social origins of eggs and workers could be discriminated based on their chemical profiles.
- Foreign eggs from monogyne colonies survived significantly less than nestmate eggs or foreign eggs from polygyne colonies.
Takeaway
Ants can tell where eggs come from, and they are more likely to accept eggs from colonies with multiple queens than from those with just one.
Methodology
The study used egg-acceptance bioassays to test how foreign eggs were accepted by workers from different colony types.
Limitations
The study focused only on one species of ant and may not generalize to other social insects.
Participant Demographics
The study involved workers from 25 monogyne and 18 polygyne field colonies.
Statistical Information
P-Value
0.011
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website