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SEX PHEROMONE COMPONENTS OF THE EYESPOTTED BUD MOTH, SPILONOTA OCELLANA (DENIS AND SCHIFFERMÜLLER) (LEPIDOPTERA: OLETHREUTIDAE)

Published online by Cambridge University Press:  31 May 2012

H. McBrien ,
G. Gries ,
R. Gries ,
J.H. Borden ,
G.J.R. Judd ,
G.G.S. King  and
K.N. Slessor
H. McBrien
Affiliation:
Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
G. Gries
Affiliation:
Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
R. Gries
Affiliation:
Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
J.H. Borden
Affiliation:
Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
G.J.R. Judd
Affiliation:
Agriculture Canada Research Station, Summerland, British Columbia, Canada V0H 1Z0
G.G.S. King
Affiliation:
Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
K.N. Slessor
Affiliation:
Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6
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Abstract

Z8-tetradecenyl acetate (Z8-14OAc andZ8-tetradecenyl alcohol (Z8-14OH) were identified as sex pheromone components of the eyespotted bud moth, Spilonota ocellana (Denis and Schiffermüller) (Lepidoptera: Olethreutidae). Compounds were identified by gas chrornatographic-eleclroantennographic (GC-EAD) and GC-mass spectroscopic analyses and field tested in apple orchards in the Okanagan Valley, B.C. Although Z8-14OAc alone was attractive to male S. ocellana, the addition of 1–5% Z8-14OH strongly synergized its attraction. Field tests comparing the attractiveness of virgin female S. ocellana with various doses of a 99:1 blend of Z8-14OAc and Z8-14OH indicated the natural sex pheromone has only two significant components. A 99:1 blend of Z8-14OAC and Z8-14OH is suggested for monitoring and control of S. ocellana populations in British Columbia.

Résumé

L’acétate de Z8-tétradécényl (Z8-14OAc) et l’alcool de Z8-tétradécényl (Z8-14OH) ont été identifies comme composantes de la phéromone sexuelle du pique-bouton du pommier, Spilonota ocellana (Denis et Schiffermüller) (Lepidoptera : Olethreutidae). Les composes ont été identifiés par analyse chromatographie en phase gazeuse – électroantennographique (GC-EAD) et spectroscopique de masse chromatographie en phase gazeuse et furent testés dans des vergers de la vallée de l’Okanagan, C.B. Bien que Z8-14OAc utilise seul attirait les maies de S. ocellana, l’addition de 1–5% de Z8-14OH fut fortement synergique à l’attraction. Des tests de champ comparant l’attraction des femelles vierges de S. ocellana à des doses variées d’un mélange à 99 : 1 de Z8-14OAc et de Z8-14OH démontrèrent que la phéromone sexuelle naturelle avait seulement deux composantes significatives. Un mélange à 99 : 1 deZ8-14OAc et deZ8-14OH est suggéré pour dépister et contrôler les populations de S. ocellana en Colombie Britannique

Type
Articles
Information
The Canadian Entomologist , Volume 123 , Issue 6 , December 1991 , pp. 1391 - 1394
Copyright
Copyright © Entomological Society of Canada 1991

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References

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