Blog - Forest Research and Outreach

New Invasive Insect: Mediterranean Oak Borer

December 17, 2020
By Susan D Kocher
The Mediterranean oak borer (Xyleborus monographus), or MOB, is an invasive ambrosia beetle that was first collected from declining oak trees (Quercus spp.) near Calistoga (Napa County) in 2019 (Fig 1).
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