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I am assuming this is pinebark beetle damage. The vast pine monocultures that grow across the south encourage this little beetle to overpopulate and then they can really kill large swaths of pines.
In a natural mixed forest, they spread less easily, and there are simply fewer of them.
Cause and effect.
You are right those beetles and the pine borers can do some damage. The only solution I had when one of the pines I had planted as a break had borers was to cut it down and burn it. I had over planted expecting some not to live and expecting to have to thin them so the removal didn't make much of an impact.
ReplyDeleteDoubleknot,
ReplyDeleteOverplanting is good insurance for this kind of thing.