A Database of Wing Diversity in the Hawaiian Drosophila
Author Information
Author(s): Kevin A. Edwards, Linden T. Doescher, Kenneth Y. Kaneshiro, Daisuke Yamamoto
Primary Institution: Department of Biological Sciences, Illinois State University
Hypothesis
The study aims to survey the Hawaiian Drosophila for characters whose variation can be associated with specific candidate genes.
Conclusion
The database highlights the striking variation in size, shape, venation, and pigmentation in Hawaiian Drosophila, despite their generally low levels of DNA sequence divergence.
Supporting Evidence
- The database includes 180 mounted wings from 73 species, showcasing significant morphological diversity.
- Direct image comparisons reveal that major wing shape changes can occur even between closely related species.
- Major pattern variations within species are documented, resulting from reduced diffusion of pigment precursors.
Takeaway
Scientists created a photo database of different Hawaiian Drosophila wings to study how their shapes and colors change, helping us understand evolution better.
Methodology
The study involved photographing over 180 mounted, adult wings from 73 species of Hawaiian Drosophila under uniform conditions.
Limitations
The study relies on photographic documentation, which may not capture all subtle variations in wing patterns.
Digital Object Identifier (DOI)
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