A European moth of woods and gardens, which is typically white with black speckling. In industrial areas sooty brown forms predominate as a result of industrial melanism.
- Biston betularia, family Geometridae.
- Industrial melanism in peppered moths has been a worldwide textbook example of natural selection.
- Industrial melanism in peppered moths has been studied most intensively in Britain.
- For most of the twentieth century the only well-known example of evolution in action was the case of peppered moths in industrial England.
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