Evidence of Repeated and Independent Saltational Evolution in a Peculiar Genus of Sphinx Moths (Proserpinus: Sphingidae)
2008

Rapid Evolution in Sphinx Moths

publication Evidence: moderate

Author Information

Author(s): Daniel Rubinoff, Johannes J. Le Roux, Rob P. Freckleton

Primary Institution: University of Hawaii at Manoa

Hypothesis

What is the systematic relationship between Arctonotus and Proserpinus, and between species within Proserpinus?

Conclusion

The study provides evidence for rapid and independent evolution of unique traits in three species of Proserpinus moths.

Supporting Evidence

  • The study identified three independent instances of rapid trait evolution in Proserpinus moths.
  • Phylogenetic analyses showed that saltational taxa evolved unique traits quickly and independently.
  • No significant differences in DNA sequence evolution rates were found among saltational and non-saltational sister taxa.

Takeaway

Some moths can change really fast to look or act differently, like how one moth pretends to be a bumblebee to avoid being eaten.

Methodology

The study used DNA sequencing and phylogenetic analysis to examine evolutionary relationships among moth species.

Limitations

The timing of divergences is based on molecular estimates, which may not be precise without a fossil record.

Statistical Information

P-Value

0.26–0.74

Digital Object Identifier (DOI)

10.1371/journal.pone.0004035

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