Butterflies and Their Sense of Smell
Author Information
Author(s): Mikael A. Carlsson, Sonja Bisch-Knaden, Alexander Schäpers, Raimondas Mozuraitis, Bill S. Hansson, Niclas Janz
Primary Institution: Stockholm University
Hypothesis
Do butterflies respond to plant-related volatiles in an odour-specific manner?
Conclusion
The study found that butterflies can detect and discriminate between different plant-related odorants, with species-specific differences in their responses.
Supporting Evidence
- The butterflies responded with specific combinations of activated glomeruli to plant-related compounds.
- A. urticae showed more specific responses to its preferred host plant than P. c-album.
- Responses to plant extracts were generally similar between the two species.
Takeaway
Butterflies can smell different plants and tell them apart, which helps them find food and places to lay their eggs.
Methodology
The study used Ca2+ imaging to measure odour-evoked activity in the antennal lobes of two butterfly species.
Limitations
The study did not investigate the behavioral relevance of the olfactory responses observed.
Participant Demographics
The study involved two species of butterflies: Polygonia c-album and Aglais urticae.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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