Methyl salicylate and (-)-(1 R,5 S)-myrtenal are plant-derived repellents for black bean aphid, Aphis fabae Scop. (Homoptera: Aphididae)

Hardie, J., Isaacs, R., Pickett, J. ORCID: https://orcid.org/0000-0002-8386-3770, Wadhams, L. and Woodcock, C. 1994. Methyl salicylate and (-)-(1 R,5 S)-myrtenal are plant-derived repellents for black bean aphid, Aphis fabae Scop. (Homoptera: Aphididae). Journal of Chemical Ecology 20 (11) , pp. 2847-2855. 10.1007/BF02098393

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Abstract

Methyl salicylate and (−)-(1R,5S)-myrtenal stimulate specific olfactory cells in the primary rhinaria on the sixth and fifth antennal segments, respectively, of the black bean aphid.Aphis fabae. In behavioral studies employing a linear track olfactometer, both compounds were repellent toA. fabae and also inhibited attraction to volatiles from its host, broad bean (Vicia faba). Methyl salicylate is associated with secondary metabolite-based defense in plants, and the monoterpenoid (−)-(1R,5S)-myrtenal is metabolically related to (−)-(1S,5S)-α-pinene, an abundant component of defensive resins produced by gymnosperms. It is argued that these two compounds are employed byA. fabae as indicators of nutritionally unsuitable or nonhost plants.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Chemistry
Publisher:	Springer
ISSN:	0098-0331
Date of Acceptance:	22 June 1994
Last Modified:	10 Feb 2026 16:45
URI:	https://orca.cardiff.ac.uk/id/eprint/184640

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