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  2. Christmas tree pests and weeds - Wikipedia

    en.wikipedia.org/wiki/Christmas_tree_pests_and_weeds

    The pine grosbeak, as a pest, generally affects Scots pine but also affects eastern white and red pine as well as spruce trees. [17] The yellow-bellied sapsucker, as a Christmas tree pest, is hosted by Scots and Austrian pine trees. The sapsuckers peck holes in sapling bark causing sap to bleed out: potentially killing the trees and allowing ...

  3. Ips pini - Wikipedia

    en.wikipedia.org/wiki/Ips_pini

    Ips pini, also known as the pine engraver or North American pine engraver, is a species of typical bark beetle in the family Curculionidae found primarily in North America. These beetles are subcategorized by the distinctive geographic ranges in which they are found.

  4. Mountain pine beetle - Wikipedia

    en.wikipedia.org/wiki/Mountain_pine_beetle

    Mountain pine beetles inhabit ponderosa, whitebark, lodgepole, Scots, jack, [4] limber, Rocky Mountain bristlecone, [5] and Great Basin bristlecone [6] pine trees. Normally, these insects play an important role in the life of a forest, attacking old or weakened trees, and speeding development of a younger forest.

  5. Common pine sawfly - Wikipedia

    en.wikipedia.org/wiki/Common_pine_sawfly

    The common pine sawfly, Diprion pini, is a sawfly species in the family Diprionidae. [1] It is a serious pest of economic forestry , capable of defoliating large areas of pine forest. It occurs throughout Europe and Russia.

  6. Bark beetle - Wikipedia

    en.wikipedia.org/wiki/Bark_beetle

    These chemicals interact with pine trees [17] as the bark beetle's host, based on the behavioral, physiological, and biochemical effects of monoterpenes. [17] Monoterpenes are a chemical fragrance that plays a significant role in tree-insect interactions, specifically within pine trees. It is an aggregation pheromone that attracts insects to ...

  7. 10 Invasive Species That Cost the U.S. a Bundle - AOL

    www.aol.com/news/2010-08-25-10-invasive-species...

    Soon, the pine tree withers and dries up, unable to absorb water. The current pine beetle infestation, which began in the mid-1990's, may be the largest forest insect blight in North American history.

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