2002
DOI: 10.1046/j.1570-7458.2002.00932.x
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Multiparasitism of Choristoneura fumiferana by the ichneumonid Tranosema rostrale and the tachinid Actia interrupta: occurrence in the field and outcome of competition under laboratory conditions

Abstract: Tranosema rostrale (Brishke) (Hymenoptera, Ichneumonidae) and Actia interrupta Curran (Hymenoptera: Tachinidae) are the two endoparasitoids most frequently encountered in low-density populations of the spruce budworm, Choristoneura fumiferana (Clemens) (Lepidoptera, Tortricidae), in the Quebec City region. Monitoring of attack rates of implanted C. fumiferana larvae at two different study sites suggested the possible existence of competition between the two parasitoids, with A. interrupta seemingly displacing … Show more

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Cited by 24 publications
(21 citation statements)
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“…in the Netherlands (Evenhuis & Vlug 1983), C. rosaceana in Quebec (Cusson et al 1998) and Archips argyrospilus in Quebec (Paradis & LeRoux 1962). It is also a known parasitoid of the spruce budworm, Choristoneura fumiferana (Clemens) (Huber et al 1996, Cusson et al 2002 which is common on conifers neighbouring some orchards in this study. In addition, two unidentified species of Temelucha Fö rster (Cremastinae) were found in what was presumed to be C. rosaceana or P. limitata larvae.…”
Section: Resultsmentioning
confidence: 68%
“…in the Netherlands (Evenhuis & Vlug 1983), C. rosaceana in Quebec (Cusson et al 1998) and Archips argyrospilus in Quebec (Paradis & LeRoux 1962). It is also a known parasitoid of the spruce budworm, Choristoneura fumiferana (Clemens) (Huber et al 1996, Cusson et al 2002 which is common on conifers neighbouring some orchards in this study. In addition, two unidentified species of Temelucha Fö rster (Cremastinae) were found in what was presumed to be C. rosaceana or P. limitata larvae.…”
Section: Resultsmentioning
confidence: 68%
“…The main problem detected was multiparasitism, which probably increased host mortality. The phenomenon of multiparasitism is common in nature (Bautista and Harris 1997;Cusson et al 2002;Ribeiro, d'Almeida, and Pinto de Mello 2005), and several cases have been reported in fruit flies (Pemberton and Willard 1918;van den Bosch and Haramoto 1953;Palacio, Ibrahim, and Ibrahim 1991;Leyva 1982;Bautista and Harris 1997). In the present study, superparasitism by C. haywardi (an endoparasitoid) was relatively low, more frequent in Dirhinus sp., and most common in E. sivinskii.…”
supporting
confidence: 53%
“…In the present study, superparasitism by C. haywardi (an endoparasitoid) was relatively low, more frequent in Dirhinus sp., and most common in E. sivinskii. This situation was perhaps caused by the paucity of interspecifically recognized markers that allow ovipositing females to discriminate between parasitized and unparasitized hosts (Godfray 1994;Cusson et al 2002). However, in our studies, oviposition by pupal parasitoids, while present under all conditions, Biocontrol Science and Technology 105 was less frequent in pupae that had been previously superparasitized by D. longicaudata (puparia with multiple oviposition scars).…”
mentioning
confidence: 53%
“…vestalis was mainly related to wasp‐associated factors (Bai et al, 2003). Similarly, when multiparasitism of Choristoneura fumiferana by the ichneumonid Tranosema rostrale and the tachinid Actia interrupta occurred, the PDV of ichneumonid played a key role in affecting the outcome of competition (Cusson et al, 2002). However, our observations are not in agreement with those reported by Talekar and Hu (1996) and Talekar (1997).…”
Section: Discussionmentioning
confidence: 99%