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Response of Aphidius colemani to aphid sex pheromone varies depending on plant synergy and prior experience

Response of Aphidius colemani to aphid sex pheromone varies depending on plant synergy and prior experience

Fernandez-Grandon, G. Mandela and Poppy, Guy M. (2015) Response of Aphidius colemani to aphid sex pheromone varies depending on plant synergy and prior experience. Bulletin of Entomological Research, 105 (04). pp. 507-514. ISSN 0007-4853 (Print), 1475-2670 (Online) (doi:https://doi.org/10.1017/S0007485315000371)

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Abstract

A critical stage in the success of a parasitoid is the ability to locate a host within its habitat. It is hypothesized that a series of olfactory cues may be involved in altering the parasitoid's movement patterns at this stage of foraging. This paper focuses specifically on host habitat location and host location and the olfactory stimuli necessary to mediate the transition between these stages. Firstly, we confirm the ability of the parasitoid Aphidius colemani to detect the aphid sex pheromone at an electrophysiological level. Following this we investigate the effect of the sex pheromone component (4aS,7S,7aR)-nepetalactone on the movement patterns of A. colemani and its retention within an area. The key findings of this work are that A. colemani is able to detect the sex pheromone components, that parasitoid retention is increased by a synergy of nepetalactone and other host-associated cues and that foraging patterns are augmented by the presence of nepetalactone or experience associated with nepetalactone.

Item Type: Article
Uncontrolled Keywords: Parasitoid, Myzus persicae, Semiochemical, Volatile organic compound, Ethovision, Retention time, Electroantennogram, (4aS,7S,7aR)-nepetalactone, (1R,4aS,7S,7aR)-nepetalactol, Optimal foraging theory, Host selection, Reliability Detectability theory.
Faculty / Department / Research Group: Faculty of Engineering & Science > Natural Resources Institute > Chemical Ecology Research Group
Last Modified: 07 May 2019 12:59
Selected for GREAT 2016: GREAT a
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: GREAT 5
URI: http://gala.gre.ac.uk/id/eprint/13783

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