Pine Needle Scale was once a common and troubling pest back when Mugo pines rivaled yews and junipers as one of the most common landscape plants in Ohio and Scotch pine was THE Christmas tree grown in our plantations. However, that's changed over the years. As mugos and Scotch have become less common in our landscapes and Christmas tree plantations, so has the occurrence of pine needle scale.
Pine Needle Scale NC State Extension Publications
PDF) Pest Risk Analysis for Chionaspis pinifoliae (Hemiptera
Pine Needle Scale Crawlers Emerging Soon
Pine Needle Scale College of Agricultural Sciences
Pine Needle Scale (Chionaspis pinifoliae) - Urban IPM
Fraser Fir IPM: How Do You Know When Scale Control Is Working?
GENERATIONS パーカー Needles 売り切り御免!
Pine Needle Scale Control - Tips On Treating Pine Needle Scale
PDF) Pest Risk Analysis for Chionaspis pinifoliae (Hemiptera
Chionaspis pinifoliae - Wikipedia
Giant pine scale - PIRSA
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BYGL OSU Extension Greene County
GENERATIONS パーカー Needles 純正・新品 - トップス
Identifying and controlling Pine Needle Scale