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Distribution and seasonal activity of adult carrot rust flies (Diptera: Psilidae)

Published online by Cambridge University Press:  31 May 2012

Laura R.E. Hooper ,
Peggy L. Dixon  and
David J. Larson
Laura R.E. Hooper*
Affiliation:
Department of Zoology, The University of British Columbia, 6270 University Boulevard, Vancouver, British Columbia, Canada V6T 1Z4
Peggy L. Dixon
Affiliation:
Atlantic Cool Climate Crop Research Centre, Agriculture and Agri-Food Canada, PO Box 39088, St. John's, Newfoundland, Canada A1E 5Y7
David J. Larson
Affiliation:
Department of Biology, Memorial University of Newfoundland, St. John's, Newfoundland, Canada A1B 3X9
*
1 Corresponding author (e-mail: hooper@zoology.ubc.ca).
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Extract

The carrot rust fly, Psila rosae F., is a major pest of carrots, Daucus carota L. (Apiaceae), in the principal production areas of Newfoundland, Quebec, Ontario, and British Columbia (Boivin 1994), as well as in temperate Europe and New Zealand (Ellis and Hardman 1992). Larvae cause damage by tunneling into the roots (Boivin 1994), reducing both yield and marketability. The insect was first recorded in Canada in 1885 but was not reported in Newfoundland until the 1930s (McClanahan and Niemczyk 1963). By the 1950s, P. rosae had spread from an initial infestation around St. John's to commercial farms and home gardens throughout the carrot-growing areas of Bonavista and Conception bays in eastern Newfoundland (Boivin 1994).

Type
Articles
Information
The Canadian Entomologist , Volume 134 , Issue 5 , October 2002 , pp. 703 - 706
Copyright
Copyright © Entomological Society of Canada 2002

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References

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