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Contact: Sarah Yang
scyang@berkeley.edu
510-643-7741
University of California - Berkeley
Caption: Shown is a female Hypolimnas bolina, also called the Blue Moon or Great Eggfly butterfly. The proportion of females in some populations of H. bolina in the South Pacific reached 99 percent as a result of infection by a bacteria that kills males before they hatch. However, researchers recently witnessed a remarkable comeback of male butterflies on some islands thanks to the rise of a suppressor gene.
Credit: Sylvain Charlat
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Related news release: Researchers witness natural selection at work in dramatic comeback of male butterflies
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