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K. Chamberlain ; E. Guerrieri ; F. Pennacchio ; J. Pettersson ; J. Pickett ; G. Poppy ; W. Powell ; L. Wadhams ; C. Woodcock | 2001Aphids, through their close association with plants, cause systemic release of semiochemicals. These may have negative effects on subsequent aphid colonisation and can also have positive roles with insects that are antagonistic to aphid developm[...]
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D. Battaglia ; F. Pennacchio ; G. Marincola ; A. Tranfaglia | 1993Females of the endophagous parasitoid Aphidius ervi Haliday (Hymenoptera: Braconidae) respond positively to the cornicle secretion of the pea aphid, Acyrthosiphon pisum (Harris) (Homoptera: Aphididae). The parasitoid response has been assessed [...]
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F. Pennacchio ; E. Tremblay | 1986
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E. Guerrieri ; F. Pennacchio ; E. Tremblay | 1997The effect of adult experience on in-flight orientation to plant-host complex volatiles by Aphidius ervi Haliday was studied in a wind tunnel bioassay, using Acyrthosiphon pisum (Harris), maintained on broad bean plants (Vicia faba) as host. A s[...]
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E. Guerrieri ; F. Pennacchio ; E. Tremblay | 1993The flight behaviour of the aphid parasitoid Aphidius ervi Haliday (Hymenoptera: Braconidae) has been studied in a wind tunnel, in response to the following natural odour sources: broad bean plants infested with Acyrthosiphon pisum (Harris) (Hom[...]
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F. Pennacchio ; M. Digilio ; E. Tremblay ; A. Tranfaglia | 1994The host preference and acceptance behaviour of populations of Aphidius ervi Haliday and A. microlophii Pennacchio & Tremblay from southern Italy was investigated. In no host-choice conditions, A. ervi females showed significantly higher attack [...]
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D. Battaglia ; F. Pennacchio ; A. Romano ; A. Transfaglia | 1994
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E. Tremblay ; F. Pennacchio | 1988
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E. Tremblay ; F. Pennacchio | 1985
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F. Pennacchio ; E. Tremblay ; F. Pennacchio, - Editeur scientifique ; E. Tremblay, - Editeur scientifique | 1986
