Scales illustration (IMAGE)

George Washington University

Scales illustration

Caption

The missing bric-a-bracgene in some of the male orange sulphur butterfly’s wing scales gives rise to scales that reflect UV light (magenta). Where thebric-a-bracgene is present in orange sulphur females or clouded sulphurs of either sex, UV coloration is suppressed (gold).

Credit

Illustration by Julie Johnson/Life Science Studios

Usage Restrictions

With GW permission only

License

Original content

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