期刊
ARTHROPOD-PLANT INTERACTIONS
卷 4, 期 1, 页码 1-6出版社
SPRINGER
DOI: 10.1007/s11829-009-9082-7
关键词
Aposematism; Chemical defense; Extended phenotype; Plant manipulation; Warning coloration
Galls are abnormal plant growth induced by various parasitic organisms, mainly insects. They serve as incubators for the developing insects in which they gain nutrition and protection from both abiotic factors and natural enemies. Galls are typically armed with high levels of defensive secondary metabolites. Conspicuousness by color, size and shape is a common gall trait. Many galls are colorful (red, yellow etc.) and therefore can be clearly distinguished from the surrounding host plant organs. Here we outlined a new hypothesis, suggesting that chemically protected galls which are also conspicuous are aposematic. We discuss predictions, alternative hypotheses and experimental tests of this hypothesis.
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