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Pine (Pinus)-Black pineleaf scale Nuculaspis californica See: Common Pests of Nursery Crops Pest description and crop damage Mature scale are almost circular, 0.06 inch in diameter, and yellowish brown to black. Young hatch in spring and summer. This inse ...

Pine (Pinus)-Coneworm Dioryctria spp. Pest description and crop damage Small, brownish cream larvae of shoot moths that bore into fresh green cones. They also may bore into trunk cambium, branches, and shoots. See "Pine" in: Christmas Tree Plant ...

Pine (Pinus)-Eriophyid mites Trisetacus spp. Pest description and crop damage Microscopic, torpedo-shape mites that feed in needle sheaths, yellowing and distorting new needles. See "Pine" in: Christmas Tree Plantation Pests Management-chemical ...

Pine (Pinus)-European pine shoot moth Rhyacionia buoliana Pest description and crop damage Of concern mainly to pine tree exporters. May cause moderate flagging. Boring larvae kill tips of terminals and laterals. Small trees may be killed. One generation ...

Pine (Pinus)-Pandora moth Coloradia pandora Pest description and crop damage Large, heavy-body moth. Large, brown to yellowish green, spiny larvae feed on needles and may defoliate during outbreak years. Requires 2 years to complete life cycle. Control no ...

Pine (Pinus)-Pine aphid Cinara strobi See: Common Pests of Nursery Crops Pest description and crop damage Colonies form in groups on needles. An extensive infestation yellows the tree and promotes sooty mold. See "Pine" in: Christmas Tree Planta ...

Pine (Pinus)-Pine bark adelgid Pineus strobi Pest description and crop damage White, cottony masses on bark of trunk, branches, or twigs. See "Pine" in: Christmas Tree Plantation Pests Management-chemical control See: Chemical Control of Nursery ...

Pine (Pinus)-Pine butterfly Neophasia menapia Pest description and crop damage A dark green caterpillar with two white stripes down each side feeds on needles. They do little damage except during outbreak years. See "Pine" in: Christmas Tree Pla ...

Pine (Pinus)-Pine needle scale Chionaspis pinifoliae See: Common Pests of Nursery Crops Pest description and crop damage Elongate, flat, white scale on leaves. May cause severe damage. Pine needle scale also attacks spruce, fir, and occasionally cedar. Se ...

Pine (Pinus)-Pine sheath miner Zelleria haimbachi Pest description and crop damage Larvae are bright orange; mature insects are tan. Adults lay eggs on needles from early to midsummer. First they mine the needle, then they sever the sheath. See "Pine ...