Smells like home: Desert ants, Cataglyphis fortis, use olfactory landmarks to pinpoint the nest
2009

Desert ants use smells to find their nest

Sample size: 20 publication Evidence: moderate

Author Information

Author(s): Steck Kathrin, Hansson Bill S, Knaden Markus

Primary Institution: Max Planck Institute for Chemical Ecology

Hypothesis

Can Cataglyphis fortis ants use olfactory information to locate their nest entrance?

Conclusion

Desert ants can use environmental odours as landmarks to find their nest entrance.

Supporting Evidence

  • Ants were trained to associate their nest entrance with a specific odour.
  • Ants could distinguish the training odour from non-training odours.
  • Ants focused their search on the position of the training odour during tests.

Takeaway

Desert ants can remember smells and use them to find their home, even when there are other smells around.

Methodology

Ants were trained to associate their nest entrance with a specific odour and tested in a controlled environment to see if they could locate the nest using that odour.

Potential Biases

Potential bias in the selection of odours used for training and testing.

Limitations

The study may not account for all environmental variables that could affect odour detection.

Participant Demographics

Desert ants, Cataglyphis fortis, from salt-pans in Tunisia.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1186/1742-9994-6-5

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