Incidence and characterisation of resistance to neonicotinoid insecticides and pymetrozine in the greenhouse whitefly, Trialeurodes vaporariorum Westwood (Hemiptera: Aleyrodidae)

A - Papers appearing in refereed journals

Karatolos, N., Denholm, I., Williamson, M. S., Nauen, R. and Gorman, K. J. 2010. Incidence and characterisation of resistance to neonicotinoid insecticides and pymetrozine in the greenhouse whitefly, Trialeurodes vaporariorum Westwood (Hemiptera: Aleyrodidae). Pest Management Science. 66 (12), pp. 1304-1307.

AuthorsKaratolos, N., Denholm, I., Williamson, M. S., Nauen, R. and Gorman, K. J.
Abstract

BACKGROUND: Trialeurodes vaporariorum (Westwood), also known as the greenhouse whitefly, is a serious pest of protected vegetable and ornamental crops inmost temperate regions of the world. Neonicotinoid insecticides are used widely to control this species, although resistance has been reported and may be becoming widespread. RESULTS: Mortality rates of UK and European strains of T. vaporariorum to a range of neonicotinoids and pymetrozine, a compound with a different mode of action, were calculated, and significant resistance was found in some of those strains. A strong association was found between neonicotinoids and pymetrozine, and reciprocal selection experiments confirmed this finding. Expression of resistance to the neonicotinoid imidacloprid and pymetrozine was age specific, and resistance in nymphs did not compromise recommended application rates. CONCLUSION: This study indicates strong parallels in the phenotypic characteristics of neonicotinoid resistance in T. vaporariorum and the tobacco whitefly Bemisia tabaci Gennadius, suggesting possible parallels in the underlying mechanisms. (C) 2010 Society of Chemical Industry

KeywordsAgronomy; Entomology
Year of Publication2010
JournalPest Management Science
Journal citation66 (12), pp. 1304-1307
Digital Object Identifier (DOI)doi:10.1002/ps.2014
PubMed ID20799247
Open accessPublished as non-open access
FunderBiotechnology and Biological Sciences Research Council
Bayer
Funder project or codePDM
PublisherWiley
ISSN1526-498X

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