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Pacific Flatheaded Borer becoming an issue in walnut orchards

Here is the article that I wrote for UCCE San Joaquin Field Notes Newsletter (Nov. 2018 Issue, pg. 3-4) about the recent infestations of Pacific flatheaded borer in walnut orchards especially in the east side of San Joaquin and Stanislaus Counties.

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Lilac Borer Infestation in Olive Orchards

In the last few weeks, several pest control advisers contacted me about the lilac borer (also called ash borer), Podosesia syringae (Family: Sesiidae). Lilac borer adults are clearwing moths. Female l