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« Previous Abstract"Disruption of mating in codling moth (Lepidoptera: Tortricidae) by chlorantranilipole, an anthranilic diamide insecticide"    Next AbstractMultiple mating of male and female codling moth (Lepidoptera: Tortricidae) in apple orchards treated with sex pheromone »

Environ Entomol


Title:Influence of within-orchard trap placement on catch of codling moth (Lepidoptera: Tortricidae) in sex pheromone-treated orchards
Author(s):Knight AL;
Address:"Yakima Agricultural Research Laboratory, USDA-ARS, 5230 Konnowac Pass Road, Wapato, WA 98951, USA. aknight@yarl.ars.usda.gov"
Journal Title:Environ Entomol
Year:2007
Volume:36
Issue:2
Page Number:425 - 432
DOI: 10.1603/0046-225x(2007)36[425:iowtpo]2.0.co;2
ISSN/ISBN:0046-225X (Print) 0046-225X (Linking)
Abstract:"The influence of trap placement on catches of codling moth, Cydia pomonella L., was examined in a series of studies conducted in orchards treated with Isomate-C Plus sex pheromone dispensers. Mark-recapture tests with sterilized moths released along the interface of pairs of treated and untreated apple and pear plots found that significantly more male but not female moths were recaptured on interception traps placed in the treated plots. In a second test, significantly higher numbers of wild male and female moths were caught on interception traps placed in treated versus untreated plots within a heavily infested orchard. The highest numbers of male moths were caught on traps placed along the interior edge of the treated plots. Trap position had no influence on the captures of female moths. In a third test, north-south transects of sex pheromone-baited traps were placed through adjacent treated and untreated plots that received a uniform release of sterilized moths. Traps on the upwind edge of the treated plots caught similar numbers of moths as traps upwind from the treated plots. Moth catch was significantly reduced at all other locations inside versus outside of the treated plots, including traps placed on the downwind edge of the treated plot. In a fourth test, five apple orchards were monitored with groups of sex pheromone-baited traps placed either on the border or at three distances inside the orchards. The highest moth counts were in traps placed at the border, and the lowest moth counts were in traps placed 30 and 50 m from the border. In a fifth test, the proportion of traps failing to catch any moths despite the occurrence of local fruit injury was significantly higher in traps placed 50 versus 25 m from the border. The implications provided by these data for designing an effective monitoring program for codling moth in sex pheromone-treated orchards are discussed"
Keywords:Animals Female Fruit/*parasitology Insect Control/instrumentation/*methods Male Moths/*physiology Population Density Sex Attractants/*physiology Wind;
Notes:"MedlineKnight, A L eng Research Support, Non-U.S. Gov't England 2007/04/21 Environ Entomol. 2007 Apr; 36(2):425-32. doi: 10.1603/0046-225x(2007)36[425:iowtpo]2.0.co; 2"

 
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