MaderDaoustCardinal-AucoinEtAl2012

Référence

Mader, B.J., Daoust, S.P., Cardinal-Aucoin, M., Bauce, E. and Despland, E. (2012) Larval experience induces adult aversion to rearing host plants: A novel behaviour contrary to Hopkins' host selection principle. Ecological Entomology, 37(3):204-211. (Scopus )

Résumé

1. Hopkins' host selection principle (HSP) states that insects should prefer foliage from their rearing host plant over that of an alternative host. 2. The current study tested whether eastern spruce budworm, Choristoneura fumiferana (Clem.) (Lepidoptera: Tortricidae), that were laid and developed on, respectively, resistant and susceptible white spruce Picea glauca (Moench) Voss, showed differences in their feeding and oviposition preferences for these two hosts. 3. The data revealed that previous experience of spruce budworm on a host tree type does not influence the host acceptance and feeding behaviour of later larval stages. However, adult budworm reared on resistant white spruce needles preferentially selected susceptible white spruce needles as the host for their progeny, whereas those reared on susceptible needles showed no preference. 4. To the authors' knowledge, this is the first report of an insect showing an oviposition preference for the non-rearing host plant. This would tend to increase mixing between insects from susceptible and resistant trees. The present results thus argue against Hopkins' HSP and suggest that learned aversion to resistant foliage experienced by larvae is carried into the adult stage. © 2012 The Authors. Ecological Entomology © 2012 The Royal Entomological Society.

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@ARTICLE { MaderDaoustCardinal-AucoinEtAl2012,
    AUTHOR = { Mader, B.J. and Daoust, S.P. and Cardinal-Aucoin, M. and Bauce, E. and Despland, E. },
    TITLE = { Larval experience induces adult aversion to rearing host plants: A novel behaviour contrary to Hopkins' host selection principle },
    JOURNAL = { Ecological Entomology },
    YEAR = { 2012 },
    VOLUME = { 37 },
    PAGES = { 204-211 },
    NUMBER = { 3 },
    ABSTRACT = { 1. Hopkins' host selection principle (HSP) states that insects should prefer foliage from their rearing host plant over that of an alternative host. 2. The current study tested whether eastern spruce budworm, Choristoneura fumiferana (Clem.) (Lepidoptera: Tortricidae), that were laid and developed on, respectively, resistant and susceptible white spruce Picea glauca (Moench) Voss, showed differences in their feeding and oviposition preferences for these two hosts. 3. The data revealed that previous experience of spruce budworm on a host tree type does not influence the host acceptance and feeding behaviour of later larval stages. However, adult budworm reared on resistant white spruce needles preferentially selected susceptible white spruce needles as the host for their progeny, whereas those reared on susceptible needles showed no preference. 4. To the authors' knowledge, this is the first report of an insect showing an oviposition preference for the non-rearing host plant. This would tend to increase mixing between insects from susceptible and resistant trees. The present results thus argue against Hopkins' HSP and suggest that learned aversion to resistant foliage experienced by larvae is carried into the adult stage. © 2012 The Authors. Ecological Entomology © 2012 The Royal Entomological Society. },
    COMMENT = { Export Date: 4 June 2012 Source: Scopus CODEN: EENTD doi: 10.1111/j.1365-2311.2012.01357.x },
    ISSN = { 03076946 (ISSN) },
    KEYWORDS = { Feeding behaviour, Hopkins' host selection principle, Host resistance, Oviposition behaviour, Spruce budworm, White spruce },
    OWNER = { Luc },
    TIMESTAMP = { 2012.06.04 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84861515165&partnerID=40&md5=b7501286b85e6277dba933edd2299551 },
}

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