Habitat and food specificity in aphidophagous predators
- 1 January 1993
- journal article
- review article
- Published by Informa UK Limited in Biocontrol Science and Technology
- Vol. 3 (2), 91-100
- https://doi.org/10.1080/09583159309355264
Abstract
Current knowledge of the processes underlying prey location and choice by aphidophagous predators is reviewed by considering the succession of behavioural mechanisms required for the predator to obtain prey. The predator may locate areas where prey are likely to be found by responding to physical aspects of the habitat, or to semiochemicals produced by the host plant. The predator may then respond to visual or olfactory cues to locate the aphid prey. The predator's readiness to attack and consume aphids is influenced by any behavioural or chemical defence strategies, and by the palatability or nutrient value of the aphids. Toxic allelochemicals ingested by aphids from their host plant may have a detrimental effect on predators.Keywords
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