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Geographic variation in pheromone chemistry, antennal electrophysiology, and pheromone-mediated trap catch of North American populations of the obliquebanded leafroller
Southern Crop Protection and Food Research Centre, Canada.
Canadian Forest Service, Canada.
Pacific Agri-Food Research Centre, Canada.
Michigan State University, USA.
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2003 (English)In: Environmental Entomology, ISSN 0046-225X, E-ISSN 1938-2936, Vol. 32, no 3, p. 470-476Article in journal (Refereed) Published
Abstract [en]

The total and relative amounts of (Z)-11-tetradecenyl acetate (Z11-14:Ac), (E)-11-tetradecenyl acetate (E11-14:Ac), (Z)-11-tetradecen-1-ol (Z11-14:OH) and (Z)-11-tetradecenal (Z11-14:Al), and the EAG response of male antennae to these pheromone gland compounds were compared in laboratory reared Choristoneura rosaceana Harris (Lepidoptera: Tortricidae) from British Columbia, Michigan, Ontario, New York, and Quebec. A field trapping experiment was conducted in each of these locations to determine the effect of Z11-14:Al on the numbers of moths captured. The amount of each of the four pheromone-gland compounds declined successively in moths from British Columbia, Quebec, Ontario, Michigan, and New York. The relative amount of Z11-14:Ac was greatest in moths from New York and smallest in moths from Ontario, whereas the relative amount of E11-14:Ac was greatest in moths from Ontario and smallest in moths from British Columbia. Moths from Ontario, Quebec, British Columbia, Michigan, and New York contained decreasing relative amounts of Z11-14:OH and Z11-14:Al. There was a trend of increasing antenna] sensitivity to each of the four pheromone-gland compounds in moths from New York, Michigan, Ontario, Quebec, and British Columbia. The addition of 1% Z11:Al to a three compound blend of Z11-14:Ac, E11-14:Ac and Z11-14:OH (97:2:1) resulted in a >twofold increase in average trap catch in British Columbia, Ontario, and Quebec; this compound had no effect on trap catch in Michigan or New York.

Place, publisher, year, edition, pages
2003. Vol. 32, no 3, p. 470-476
Keywords [en]
obliquebanded leafroller, choristoneura rosaceana, geographic variation, pheromone chemistry, trap catch, choristoneura-rosaceana lepidoptera, sex-pheromone, agrotis-segetum, azinphosmethyl resistance, insecticide resistance, hemileuca-eglanterina, individual variation, ostrinia-nubilalis, banded leafroller, tortricidae
National Category
Ecology Chemical Sciences
Research subject
Natural Science, Ecological chemistry
Identifiers
URN: urn:nbn:se:lnu:diva-14124ISI: 000184052100008OAI: oai:DiVA.org:lnu-14124DiVA, id: diva2:440776
Available from: 2011-09-13 Created: 2011-09-13 Last updated: 2017-11-02Bibliographically approved

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Legrand, SachaUnelius, C. Rikard

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