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Open AccessArticle

Host Plant Volatiles and the Sexual Reproduction of the Potato Aphid, Macrosiphum euphorbiae

1
Department of Biology, Western University, London, ON, N6A 5B7, Canada
2
Center for Ecological Research, Kyoto University 2-509-3, Hirano, Otsu 520-2113, Japan
3
Research Institute of Green Science and Technology, Shizuoka University 836, Ohya, Shizuoka 422-8529, Japan
*
Author to whom correspondence should be addressed.
Insects 2014, 5(4), 783-792; https://doi.org/10.3390/insects5040783
Received: 1 April 2014 / Revised: 9 October 2014 / Accepted: 9 October 2014 / Published: 24 October 2014
(This article belongs to the Special Issue Pheromones and Insect Behaviour)
In late summer, heteroecious aphids, such as the potato aphid, Macrosiphum euphorbiae, move from their secondary summer host plants to primary host plants, where the sexual oviparae mate and lay diapausing eggs. We tested the hypothesis that volatiles of the primary host, Rosa rugosa, would attract the gynoparae, the parthenogenetic alate morph that produce oviparae, as well as the alate males foraging for suitable mates. In wind tunnel assays, both gynoparae and males oriented towards and reached rose cuttings significantly more often than other odour sources, including potato, a major secondary host. The response of males was as high to rose cuttings alone as to potato with a calling virgin oviparous female. These findings are discussed within the seasonal ecology of host alternating aphids. View Full-Text
Keywords: potato aphid; Macrosiphum euphorbiae; sexual morphs; mate location; female sex pheromone; host plant volatiles potato aphid; Macrosiphum euphorbiae; sexual morphs; mate location; female sex pheromone; host plant volatiles
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Hurley, J.; Takemoto, H.; Takabayashi, J.; McNeil, J.N. Host Plant Volatiles and the Sexual Reproduction of the Potato Aphid, Macrosiphum euphorbiae. Insects 2014, 5, 783-792.

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