VegNet Regional Pest Trends for the Week of August 15th, 2016

VegNet is an insect pest monitoring program funded by the Oregon Processed Vegetable Commission and managed by the Oregon State University Department of Horticulture. To add your name to this newsletter, please click the ‘subscribe’ button on the homepage. For a review on how to interpret VegNet tables, click here.

  • *NOTE*: Some data are unavailable this week, as we transition between broccoli and cauliflower sites. Thanks for your patience.
  • It is apparent that we are experiencing a Cabbage Looper (Trichoplusia ni - CL) boom this year. Activity is well above historic norms (FIG.2), yet not as bad as the outbreak of 8 years ago. Continue to intensify field scouting for loopers (FIG. 1) and remember that CL has a wide host range including tomato, pepper, squash, snap bean, and ornamentals. For head and stem brassicas, the risk of contamination is high.

 

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