Journal article

The distribution of wheat curl mite (Aceria tosichella) lineages in Australia and their potential to transmit wheat streak mosaic virus

M Schiffer, P Umina, M Carew, A Hoffmann, B Rodoni, A Miller



The wheat curl mite (WCM), Aceria tosichella, is an eriophyid pest of cereals, and the vector responsible for the transmission of wheat streak mosaic virus (WSMV). In a previous study, the taxonomic status of A. tosichella in Australia was assessed using molecular markers. A. tosichella was shown to consist of two genetically distinct lineages likely to represent different species. Here we show that both lineages occupy similar distributions, occurring throughout the entire Australian wheat belt, and that the lineages are often found in sympatry. CLIMEX analysis suggests that tolerance to heat and desiccation limit the distribution of A. tosichella. In the laboratory, only one WCM lineage tr..

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Funding Acknowledgements

The authors wish to thank Paul Parker, Vincent Lanoiselet, Gordon Murray, Kerry Wratten, Max Bartley, Peter Mangano, Dusty Severtson and the grain growers of Australia for their input into this project. This research was supported by the Grains Research and Development Corporation, with infrastructure provided through the Australian Research Council via their Special Research Centre Scheme. Funding was also provided by the Tasmanian Department of Primary Industries and Water.