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Evaluation of Monitoring Traps for Drosophila suzukii (Diptera: Drosophilidae) in North America

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https://ir.library.oregonstate.edu/concern/articles/3484zh65h

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  • Drosophila suzukii Matsumura (Diptera: Drosophilidae), a recent invasive pest of small and stone fruits, has been detected in more than half of the U.S. states, and in Canada, Mexico, and Europe. Upon discovery, several different trap designs were recommended for monitoring. This study compared the trap designs across seven states/provinces in North America and nine crop types. Between May and November 2011, we compared a clear cup with 10 side holes (clear); a commercial trap with two side holes (commercial); a Rubbermaid container with mesh lid and rain tent (Haviland), and with 10 side holes and no tent (modified Haviland); a red cup with 10 side holes (red); and a white container with mesh lid and rain tent (Van Steenwyk). Although fly catches among traps varied per site, overall, the Haviland trap caught the most D. suzukii, followed by the red, Van Steenwyk, and clear trap. The modified Haviland and commercial trap had low captures. Among five crop types in Oregon, a clear cup with mesh sides (Dreves) also was tested and caught the most flies. Traps with greater entry areas, found in mesh traps, caught more flies than traps with smaller entry areas. In terms of sensitivity and selectivity, traps that caught more flies likewise caught flies earlier, and all traps caught 26-31% D. suzukii out of the total Drosophila captured. Future trap improvements should incorporate more entry points and focus on selective baits to improve efficiency and selectivity with regard to the seasonal behavior of D. suzukii.
  • This is the publisher’s final pdf. The article is published by the Entomological Society of America. It can be found at: http://www.entsoc.org/Pubs/Periodicals/JEE
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  • Lee, J. C., Shearer, P. W., Stanley, C. A., Walsh, D. B., Walton, V. M., Zalom, F. G., . . . . (2012). Evaluation of monitoring traps for drosophila suzukii (diptera: Drosophilidae) in north america. Journal of Economic Entomology, 105(4), 1350-1357. doi: 10.1603/EC12132
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  • 105
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  • 4
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  • This project was funded by USDA Specialty Crops Research Initiative grant 2010-51181-21167, USDA-CRIS 5358-22000-032-00D, a Michigan Department of Agriculture Specialty Crop Block grant, and MBG Marketing.
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