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Behavioral sabotage of plant defense: do vein cuts and trenches reduce insect exposure to exudate?



Behavioral sabotage of plant defense: do vein cuts and trenches reduce insect exposure to exudate?



Journal of Insect Behavior 12(4): 501-515



Many insect folivores sever veins or cut trenches before feeding on leaves that emit fluid from latex, resin, or phloem canals. The behaviours reportedly function to reduce the insect's exposure to exudate. This hypothesis was tested with three species that sever leaf midribs and two species that trench. In each case, the insects' cuts reduced exudation at the distal feeding site by at least 94% relative to an adjacent control leaf.

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Accession: 003368593

Download citation: RISBibTeXText

DOI: 10.1023/a:1020966807633


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