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How To Treat Southern Pine Beetle Spots

So you have a SPB spot on your land.  What do you do now?  First determine if it is a high, medium, or low priority spot.  

Higher priority spots are treated first since they have a greater potential for additional tree mortality than medium- or low-priority spots. Control decisions depend not only on the priority of the spot, but also on the availability of crew and equipment, the size and number of trees or volume of timber in the spot, accessibility, and current market conditions for beetle-killed timber. 

High Priority Spots:  Those spots with the greatest number of SPB-infested trees should be marked for treatment first.  Salvage removal is the preferred treatment.  Because of the dynamic nature of SPB infestations, the time lapse between marking and cutting should be as short as possible.  The longer the time, the greater the chance that additional trees will be attacked.  In the summer, no more then 4 weeks should elapse between marking and treatment.

Medium Priority Spots: The spots should not be marked until all high priority spots are treated.  If a medium priority spot is located near a high priority spot, it is advised that the landowner treat both spots at the same time.

Low Priority Spots: These spots seldom require treatments.  Research has shown that most of them die out, particularly in the summer.  Spots that continue to expand should be detected during the next SPB survey.

A guide to help classify beetle spot priorities may be accessed below.

Spot Classification




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