Sex pheromone of aPlanotortrix excessana sibling species and reinvestigation of related species |
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Authors: | S. P. Foster J. R. Clearwater S. J. Muggleston P. W. Shaw |
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Affiliation: | (1) D.S.I.R. Plant Protection, Private Bag, Auckland, New Zealand;(2) D.S.I.R. Plant Protection, Appleby Research Orchard, R.D. 1, Richmond, Nelson, New Zealand |
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Abstract: | The sex pheromone of aPlanotortrix excessana sibling species was investigated. Females were found to produce eight potential pheromone components: dodecyl acetate, tetradecyl acetate (14OAc). (Z)-5-tetradecenyl acetate (Z5-14OAc), (Z)-7-tetradecenyl acetate (Z7-14OAc), (Z)-9-tetradecenyl acetate, hexadecyl acetate, (Z)-7-hexadecenyl acetate, and (Z)-9-hexadecenyl acetate. When these compounds were bioassayed using field-trapping and wind-tunnel techniques, only 14OAc,Z5-14OAc, andZ7-14OAc were found to be behaviorally active. The sex pheromone glands of females of other species including,Planotortrix MBS,Planotortrix M,P. notophaea, Ctenopseustis servana, and aC. obliquana sibling species, were also found to containZ5-14OAc orZ7-14OAc, singly or in combination. In the case ofPlanotortrix M, the addition ofZ7-14OAc to the previously identified sex pheromone blend ofZ5-14OAc and 14OAc was found to increase trap captures of male moths of this species. Thus in these New Zealand species (and in some Australian species),Z5-14OAc andZ7-14OAc appear to be utilized in combination in pheromonal communication just as (Z)-11-tetradecenyl acetate and (E)-11-tetradecenyl acetate are used by many species of Holarctic Tortricidae in the tribe Archipini.Lepidoptera: Tortricidae: Tortricinae. |
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Keywords: | Planotortrix excessana Ctenopseustis Lepidoptera Tortricidae sex pheromones (Z)-5-tetradecenyl acetate (Z)-7-tetradecenyl acetate tetradecyl acetate |
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