Methyl Eugenol, a phenylpropanoid chemical in leaves, fruits, stems, and/or roots, may be released when that corresponding part of a plant is damaged as a result of feeding by an herbivore. Methyl Eugenol is used for male annihilation of the oriental fruit fly[1].

[1]. Tan KH, et al. Methyl eugenol: its occurrence, distribution, and role in nature, especially in relation to insect behavior and pollination. J Insect Sci. 2012;12:56.