Bob Van Steenwyk from UC Berkeley shares the basics of walnut husk fly management.
More information on monitoring and low volume sprays: sacvalleyorchards.com/walnuts/insects-mites-walnuts/walnut-husk-fly-trap-and-low-volume-spray-study/
Information on biology, monitoring, and spray timing: sacvalleyorchards.com/walnuts/insects-mites-walnuts/walnut-husk-fly-biology-monitoring-and-spray-timing/
Dr. Van Steenwyk makes reference to an organically approved EC formulation of Spinosad, he however meant to say SC formulation. That material is as Entrust SC.
Mention of pesticides are solely to provide examples and do not constitute a recommendation. Always follow the pesticide label.
Thanks to the Pistachio Board of California and Almond Board of California for their generous financial support. Music by Muriel Gordon.