Evolutionary Constraints in Hind Wing Shape in Chinese Dung Beetles (Coleoptera: Scarabaeinae)
2011

Evolutionary Constraints in Hind Wing Shape in Chinese Dung Beetles

Sample size: 81 publication 10 minutes Evidence: moderate

Author Information

Author(s): Bai Ming, McCullough Erin, Song Ke-Qing, Liu Wan-Gang, Yang Xing-Ke

Primary Institution: Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences

Hypothesis

How does hindwing morphology evolve in Chinese dung beetle species?

Conclusion

The study found that hindwing morphology in dung beetles has not changed substantially over time, indicating that flight has been important since the origin of Scarabaeinae.

Supporting Evidence

  • The study analyzed hindwing morphology using 19 landmarks and 119 characters.
  • A strong correlation was found between morphometric and phylogenetic trees.
  • The results suggest that hindwing features reflect the evolution of whole body morphology.

Takeaway

This study looks at how the shape of dung beetle wings has changed over time, showing that while there are some changes, many features have stayed the same because of how they help the beetles fly.

Methodology

The study used morphometric and phylogenetic analyses based on 19 landmarks and 119 morphological characters across 81 beetle species.

Limitations

The study did not include all possible species and focused only on Chinese taxa.

Participant Demographics

The study focused on 81 species of Chinese dung beetles.

Statistical Information

P-Value

p<0.05

Confidence Interval

CI=0.20

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021600

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