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EVIDENCE FOR A FEMALE-PRODUCED SEX PHEROMONE IN THE APPLE LEAF MIDGE, DASINEURA MALI (KIEFFER) (DIPTERA: CECIDOMYIIDAE)1

Published online by Cambridge University Press:  31 May 2012

Jeremy J. Heath
Affiliation:
Atlantic Food and Horticulture Research Centre, Kentville, Nova Scotia, Canada B4N 1J5
Sonia O. Gaul
Affiliation:
Atlantic Food and Horticulture Research Centre, Kentville, Nova Scotia, Canada B4N 1J5
Dennis M. Nash
Affiliation:
Atlantic Food and Horticulture Research Centre, Kentville, Nova Scotia, Canada B4N 1J5
Robert F. Smith
Affiliation:
Atlantic Food and Horticulture Research Centre, Kentville, Nova Scotia, Canada B4N 1J5
Olga Kukal
Affiliation:
Department of Biology, Acadia University, Wolfville, Nova Scotia, Canada B0P 1X0

Extract

The apple leaf midge, Dasineura mali (Kieffer), is an apple pest in Nova Scotia's Annapolis Valley (Rogers 1991). Larval D. mali are specialist, leaf-feeding pests that attack primarily young pubescent apple shoots. Larval feeding induces the leaves to curl tightly toward the midrib and form distinctive reddish galls that desiccate following larval exit. Economic damage to orchards in Annapolis Valley has not been estimated, but immature trees and nursery stock are vulnerable because new growth is essential for proper tree formation (Rogers 1991).

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1998

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