IPM Insect Update – August 15, 2016

University of California IPM Insect Update
Tehama County

InsectFirst BiofixSecond BiofixThird BiofixFourth BiofixActivity Moths/DayAvg. Deg. Days / DayDay Degrees from Biofix
Codling Moth3/245/317/11-.6329.0977
Oriental Fruit Moth3/175/196/277/282.435.0607
Peach Twig Borer4/75/317/11-.9428.8958
Navel Orangeworm Eggs4/7---.525.52444
San Jose Scale3/21----28.52925
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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