Schematic representation indicating an increase of volatile compounds released by plants in response to insect feeding triggered by an interaction of elicitors.

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Schematic representation indicating an increase of volatile compounds released by plants in response to insect feeding triggered by an interaction of elicitors such as volicitin in the oral secretions of insect herbivores with damaged plant tissue. Schematic representation indicating an increase of volatile compounds released by plants in response to insect feeding triggered by an interaction of elicitors such as volicitin in the oral secretions of insect herbivores with damaged plant tissue. Volatile semiochemicals are then used by natural enemies of herbivores such as parasitoid wasps to locate their hosts. Paul W. Paré, and James H. Tumlinson Plant Physiol. 1999;121:325-332 ©1999 by American Society of Plant Biologists