SeehausenRegniereBauce2013

Référence

Seehausen, L. M., Regniere, J., Bauce, E. (2013) Does spruce budworm (Lepidoptera: Tortricidae) rearing diet influence larval parasitism? Canadian Entomologist, 145(5):539-542. (Scopus )

Résumé

Artificial diet is commonly used to rear the spruce budworm, Choristoneura fumiferana (Clemens) (Lepidoptera: Tortricidae), in the laboratory. While its effect on spruce budworm performance is relatively well studied, no information exists about the influence of rearing diet on larval parasitism. In this study, spruce budworm larvae reared in the laboratory on artificial diet or balsam fir, Abies balsamea (Linnaeus) Miller (Pinaceae), foliage were introduced in the field to compare parasitism. Additionally, a laboratory choice test was conducted with the larval parasitoid Tranosema rostrale (Brischke) (Hymenoptera: Ichneumonidae). No significant influence of spruce budworm rearing diet on parasitism in the field was found. However, in the laboratory, T. rostrale attacked significantly more foliage-fed larvae. We conclude that even if initial differences in parasitism may exist between diet-fed and foliage-fed larvae in the laboratory, spruce budworm larvae reared on artificial diet can be used in field studies investigating parasitism of wild spruce budworm populations without concern that the food source would affect parasitism. © 2013 Entomological Society of Canada.

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@ARTICLE { SeehausenRegniereBauce2013,
    AUTHOR = { Seehausen, L. M. and Regniere, J. and Bauce, E. },
    TITLE = { Does spruce budworm (Lepidoptera: Tortricidae) rearing diet influence larval parasitism? },
    JOURNAL = { Canadian Entomologist },
    YEAR = { 2013 },
    VOLUME = { 145 },
    PAGES = { 539-542 },
    NUMBER = { 5 },
    ABSTRACT = { Artificial diet is commonly used to rear the spruce budworm, Choristoneura fumiferana (Clemens) (Lepidoptera: Tortricidae), in the laboratory. While its effect on spruce budworm performance is relatively well studied, no information exists about the influence of rearing diet on larval parasitism. In this study, spruce budworm larvae reared in the laboratory on artificial diet or balsam fir, Abies balsamea (Linnaeus) Miller (Pinaceae), foliage were introduced in the field to compare parasitism. Additionally, a laboratory choice test was conducted with the larval parasitoid Tranosema rostrale (Brischke) (Hymenoptera: Ichneumonidae). No significant influence of spruce budworm rearing diet on parasitism in the field was found. However, in the laboratory, T. rostrale attacked significantly more foliage-fed larvae. We conclude that even if initial differences in parasitism may exist between diet-fed and foliage-fed larvae in the laboratory, spruce budworm larvae reared on artificial diet can be used in field studies investigating parasitism of wild spruce budworm populations without concern that the food source would affect parasitism. © 2013 Entomological Society of Canada. },
    COMMENT = { Export Date: 4 October 2013 Source: Scopus CODEN: CAENA doi: 10.4039/tce.2013.30 },
    ISSN = { 0008347X (ISSN) },
    OWNER = { Luc },
    TIMESTAMP = { 2013.10.04 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84884266100&partnerID=40&md5=40391dfd3e101ba5571f6e4449f6c496 },
}

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