The Invasive Shot Hole Borer (formerly called the Polyphagous Shot Hole Borer) is still a threat to native and introduced trees here in California, and although in some cases it seems to be mellowing out just a little bit, it still has the capability of getting worse -especially during the curent severe drought.
Here is an article by Rosi Dagit that summarizes that current state of affairs with this pest and also some opportunities to be involved in citizen science efforts to keep track of it.
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| Tree limb infested with Invasive Shot Hole Borer |
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| Discoloration on bark indicating Shot Hole Borer attack |
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| The Invasive Shot Hole Borer |
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