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 crawlers may be hatching soon - MSU Extension
Giant pine scale - PIRSA
Pine needle scale
Chionaspis pinifoliae - Wikipedia
Pine Tree Pests
PDF) Pest Risk Analysis for Chionaspis pinifoliae (Hemiptera
Organic Insect Management in Arboriculture: Theory, Practices and Pesticides - Tree Care Industry Magazine
GENERATIONS パーカー Needles 売り切り御免!
What Bugs Are Eating My Trees? The 9 Worst Tree Insects in Idaho
BYGL OSU Extension Greene County