Usurpation of host behaviour by a parasitic wasp

J. Brodeur; L.E.M. Vet

doi:10.1006/anbe.1994.1225

Usurpation of host behaviour by a parasitic wasp

J. Brodeur, L.E.M. Vet

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Abstract

Hostbehaviour manipulation was examined in caterpillars, Pieris brassicae , parasitized by the gregarious braconid wasp, Cotesia glomerata. Following egression of the parasitoids from the host, the moribund caterpillar remains on the pupating parasitoids, spins a web over the parasitoid cocoons, and responds aggressively when disturbed. Cross-species experiments indicated that C. glomerata, but not the congener C. rubecula, has the capacity to interfere with the post-egression behaviour of the host. Dying hosts are viewed as a transient 'functional extension' of the parasitoid that may contribute to parasitoid survival during pupal development by protecting the pupae from natural enemies. This is thought to be the first report on hostbehaviour manipulation that occurs beyond the intimate physical association between the parasite and the host.

Original language	English
Pages (from-to)	187-192
Journal	Animal Behaviour
Volume	48
Issue number	1
DOIs	https://doi.org/10.1006/anbe.1994.1225
Publication status	Published - 1994
Externally published	Yes

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abstract = "Hostbehaviour manipulation was examined in caterpillars, Pieris brassicae , parasitized by the gregarious braconid wasp, Cotesia glomerata. Following egression of the parasitoids from the host, the moribund caterpillar remains on the pupating parasitoids, spins a web over the parasitoid cocoons, and responds aggressively when disturbed. Cross-species experiments indicated that C. glomerata, but not the congener C. rubecula, has the capacity to interfere with the post-egression behaviour of the host. Dying hosts are viewed as a transient 'functional extension' of the parasitoid that may contribute to parasitoid survival during pupal development by protecting the pupae from natural enemies. This is thought to be the first report on hostbehaviour manipulation that occurs beyond the intimate physical association between the parasite and the host.",

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AU - Vet, L.E.M.

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AB - Hostbehaviour manipulation was examined in caterpillars, Pieris brassicae , parasitized by the gregarious braconid wasp, Cotesia glomerata. Following egression of the parasitoids from the host, the moribund caterpillar remains on the pupating parasitoids, spins a web over the parasitoid cocoons, and responds aggressively when disturbed. Cross-species experiments indicated that C. glomerata, but not the congener C. rubecula, has the capacity to interfere with the post-egression behaviour of the host. Dying hosts are viewed as a transient 'functional extension' of the parasitoid that may contribute to parasitoid survival during pupal development by protecting the pupae from natural enemies. This is thought to be the first report on hostbehaviour manipulation that occurs beyond the intimate physical association between the parasite and the host.

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DO - 10.1006/anbe.1994.1225

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VL - 48

SP - 187

EP - 192

JO - Animal Behaviour

JF - Animal Behaviour

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ER -

Usurpation of host behaviour by a parasitic wasp

Abstract

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