Article
The rise and fall of the Carbonaria form of the peppered moth.
The Quarterly review of biology - 1 Dec 2003
Cook Laurence M
Abstract excerpt
The evidence for change in frequency of the melanic carbonaria morph in the peppered moth Biston betularia (L.) (Lepidoptera: Geometridae) in England and Wales is reviewed. At mid-20th century a steep cline of melanic phenotype frequency running from the north of Wales to the southern coast of England separated a region of 5% or less to west from 90% or more to northeast. By the 1980s the plateau of 90% frequency...
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