Abstract
ABOUT thirty years ago Uvarov brought forward the ‘phase’ theory of locusts and showed that young hoppers when crowded together developed differences in colour, structure, behaviour and physiology from similar larvæ kept individually separate. The former were known as the phase ‘gregaria’ and the latter as ‘solitaria’. Gregaria are always darker in colour than solitaria.
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WILLIAMS, C., LONG, D. Phase Coloration in Larvæ of Lepidoptera. Nature 166, 1035 (1950). https://doi.org/10.1038/1661035b0
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DOI: https://doi.org/10.1038/1661035b0
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