Entomopathogenic fungi and insect behaviour: from unsuspecting hosts to targeted vectors |
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Authors: | Jason Baverstock Helen E Roy Judith K Pell |
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Institution: | (1) Department of Plant and Invertebrate Ecology, Rothamsted Research, Harpenden, Hertfordshire, AL5 2JQ, UK;(2) Biological Records Centre, NERC Centre for Ecology & Hydrology, Crowmarsh Gifford, Oxfordshire, OX10 8BB, UK |
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Abstract: | The behavioural response of an insect to a fungal pathogen will have a direct effect on the efficacy of the fungus as a biological
control agent. In this paper we describe two processes that have a significant effect on the interactions between insects
and entomopathogenic fungi: (a) the ability of target insects to detect and avoid fungal pathogens and (b) the transmission
of fungal pathogens between host insects. The behavioural interactions between insects and entomopathogenic fungi are described
for a variety of fungal pathogens ranging from commercially available bio-pesticides to non-formulated naturally occurring
pathogens. The artificial manipulation of insect behaviour using dissemination devices to contaminate insects with entomopathogenic
fungi is then described. The implications of insect behaviour on the use of fungal pathogens as biological control agents
are discussed. |
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