IPM Insect Update – August 22, 2016

University of California IPM Insect Update
Tehama County

InsectFirst BiofixSecond BiofixThird BiofixFourth BiofixActivity Moths/DayAvg. Deg. Days / DayDay Degrees from Biofix
Codling Moth3/245/317/118/151.030.1211
Oriental Fruit Moth3/175/196/277/28.7935.6856
Peach Twig Borer4/75/317/118/228.330.10
Navel Orangeworm Eggs4/7---.6426.42629
San Jose Scale3/21----29.63132
Walnut Scale Crawlers5/16------

  • In the walnut orchard we monitor, we now have 3 sprays on for WHF. Be careful – every orchard is different. Watch your traps and treat accordingly.
  • Additional Pest management information is available at the UC IPM website including a day degree calculator (http://www.ipm.ucdavis.edu).

Richard P. Buchner and Cyndi K. Gilles
Orchard Advisor & Research Associate
UC Cooperative Extension Tehama County
(530) 527-3101

Thank you for our trap supplies!


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