Pine needle scale is very common on Mugo Pines but can be on a variety of other species. Based on accumulated Growing Degrees days the crawler stage should be out shortly. This is the stage where insecticides are most effective. More information on needle scale can be found in Pine Needle Scale. Insecticides for control can be found in Bulletin 504 Table 1 General Pest and page 14 of the pdf.
Monday, May 4, 2009
Time to Control Pine Needle Scale
Pine needle scale is very common on Mugo Pines but can be on a variety of other species. Based on accumulated Growing Degrees days the crawler stage should be out shortly. This is the stage where insecticides are most effective. More information on needle scale can be found in Pine Needle Scale. Insecticides for control can be found in Bulletin 504 Table 1 General Pest and page 14 of the pdf.
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