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Experimental results indicate the existence of an inducible system that can temporarily help cereal plants to defend themselves against cereal aphids. The induction is released by volatiles emitted when aphids attack a neighbour plant individual[...]article/chapitre/communication
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[...]article/chapitre/communication
J. Hardie ; R. Isaacs ; J. Pickett ; L. Wadhams ; C. Woodcock | 1994Methyl salicylate and (-)-(1 R,5 S)-myrtenal stimulate specific olfactory cells in the primary rhinaria on the sixth and fifth antennal segments, respectively, of the black bean aphid, Aphis fabae. In behavioral studies employing a linear track [...]article/chapitre/communication
J. Visser ; P. Piron ; J. Visser, - Editeur scientifique ; P. Piron, - Editeur scientifique | Amsterdam [NLD] : Nederlandsche Entomologische Vereeniging | 1997In order to evaluate the variation in responses of aphids to a range of odour compounds comprising plant volatiles, the alarm pheromone (E)-beta-farnesene and the sex pheromone components (+)-(4 a S,7 S,7 a R)-nepetalactone and (-)-(1 R,4 a S,7 [...]article/chapitre/communication
Electroantennogram (EAG) responses were recorded from apterous virginoparae of the vetch aphid Megoura viciae Buckton (Homoptera, Aphididae) to more than eighty volatile compounds in order to investigate its sensory ability to perceive plant odo[...]article/chapitre/communication
article/chapitre/communication
J. Pettersson ; S. Karunaratne ; E. Ahmed ; V. Kumar | 1998Olfactometer experiments were conducted with apterae and alatae of the cowpea aphid, Aphis craccivora, Koch (Hom.: Aphidoidea). The occurrence of density dependent related pheromones and odour response to their host plant Vigna unguiculata was s[...]