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Type: Journal article
Title: Why do many galls have conspicuous colours? An alternative hypothesis revisited
Author: White, T.
Citation: Arthropod-Plant Interactions, 2010; 4(3):149-150
Publisher: Springer
Issue Date: 2010
ISSN: 1872-8855
Statement of
T. C. R. White
Abstract: It has been proposed that the colour of many plant galls evolved as an aposematic signal to protect the contained gall-maker from attack by chewing herbivores. But the evidence would suggest the more likely hypothesis is that the colour is caused by the galler inducing the gall to senesce early, thus releasing nutrients from the dying tissues of the gall to the benefit of the gall-maker. External agents, like chewing herbivores or natural enemies of the gall-maker, may subsequently learn to use these colours as signals.
Keywords: Double-dipping
Flush/senescence feeders
Hastened senescence
Natural enemies
Nutrient sink
Rights: Copyright Springer Science+Business Media B.V. 2010
DOI: 10.1007/s11829-010-9096-1
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Appears in Collections:Agriculture, Food and Wine publications
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