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Common Name Scientiﬁc Name Page
A Pest Management Primer
Symptoms and Signs of Tree Injury
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adults alternate hosts aphids Apply a registered areas August Austrian pine Avoid planting balsam fir Biology BRANCH INJURY buds canker caterpillars cause similar symp Christmas tree species CROP Q damage DEAD TREE defoliated disease dles Douglas-fir drought early eastern red cedar eastern white pine egg masses emerge European pine Examine trees feed foliage Fraser fir fruitbodies fungus gypsy moth harvest hatch herbicide Importance inch long infested trees insects Inspect trees jack pine label larvae late lay eggs Look lower branches mid July midge mites Monitoring and Control mound need/es NEEDLE DISCOLORATION needle rust needlecast numbers nursery stock nymphs overwinter Pales weevil pesticide Pests that cause pine shoot beetle Q Plant red pine registered insecticide root collar root tip weevil sawfly Scleroderris canker Scotch pine seedlings shearing shoot tips soil Sphaeropsis shoot blight spittlebug spores spray trees spring stem stumps stunted tion Treat entire plantation voles weather webworm weevil yellow