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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[...]
article/chapitre/communication
P. Atanassova ; C. Brookes ; H. Loxdale ; W. Powell | 1998Four polymorphic enzymes (PEP, PGI, PGM and IDH) were separated from adult individuals of five aphid parasitoid species of the genus Aphidius Nees (A. ervi Haliday, A. microlophii Pennacchio & Tremblay, A. eadyi Stary, Gonzalez & Hall, A. picipe[...]
article/chapitre/communication
article/chapitre/communication
The responses of female Aphidius ervi to odors from a host food plant (Vicia faba), host aphids (Acyrthosiphon pisum), nonhost aphids (Aphis fabae), and aphid-plant complexes were investigated in a specially designed wind tunnel and a Y-tube olf[...]
article/chapitre/communication
R. Glinwood ; Y. Du ; W. Powell | 1999Aphidius ervi and Aphidius eadyi, two parasitoids of the pea aphid Acyrthosiphon pisum, were attracted to components of the aphid sex pheromone in laboratory bioassays. Pre-test experience with host aphids in the presence of aphid sex pheromone [...]
