Tuesday, 16 November 2004

Volatile components common to fruit of host species infested by Rhagoletis mendax (Diptera:Tephritidae)

Sonia Gaul, gauls@agr.gc.ca1, Dennis M. Nash, nashd@agr.gc.ca1, Kenna MacKenzie, mackenziek@agr.gc.ca1, Charles Vincent, vincentch@agr.gc.ca2, and Pierre Lemoyne, lemoynep@agr.gc.ca2. (1) Atlantic Food and Horticulture Research Centre, Agriculture and Agri-Food Canada, 32 Main Street, Kentville, NS, Canada, (2) Horticultural Research and Development Center, Agriculture and Agri-Food Canada, 430 Gouin Blvd, Saint-Jean-sur-Richelieu, QC, Canada

Volatile components present in lowbush blueberry and in other fruit from plants known to be hosts of Rhagoletis mendax were identified from 70 samples obtained in 2002 and 2003. The volatile components common to several fruit which can become infested by R. mendax may provide a chemical cue to the adults during changes in the local landscape. Components to be incorporated in synthetic mixes were selected based on the criteria of occurrence and the relative amount present in each fruit extract. The components may have potential both in the development of an attractive lure and also in understanding the potential range of R. mendax.

Species 1: Diptera Tephritidae Rhagoletis mendax (blueberry maggot)
Species 2: Ericales Ericaceae Vaccinium angustifolium (lowbush blueberry)
Keywords: attractant

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