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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.
Massive outbreaks of mountain pine beetles in western North America after about 2005 have killed millions of acres of forest from New Mexico to British Columbia. [20] Bark beetles enter trees by boring holes in the bark of the tree, sometimes using the lenticels, or the pores plants use for gas exchange, to pass through the bark of the tree. [3]
Ips avulsus, the small southern pine engraver, is a species of typical bark beetle in the family Curculionidae.The pheromones ipsenol, ipsdienol, and lanieron combined attract the most colonization in the host material in regards to the chemical ecology of the small southern pine engraver, which also effects their reproduction processes.
Dendroctonus adjunctus, the roundheaded pine beetle, is a species of bark beetle in the family Curculionidae found in North America. [1] [2] [3] A parasite, the roundheaded pine beetle feeds on and eventually kills pine trees of several species in Guatemala, Mexico, and the Southern United States (New Mexico, Arizona, Nevada, Colorado, Utah).
This bark beetle feeds on the developing bark on and around the root crowns of tree seedlings, [1] especially the phloem. [3] It also infests stumps , logs, and fallen trees. It prefers pines, and is a widespread pest of wild and cultivated Monterey pines ( Pinus radiata ) in particular. [ 1 ]
Cucujus clavipes is known as the flat bark beetle. [1] [2] It is found throughout North America. [3] These are generally found near tree line [4] under bark [2] of dead poplar and ash trees. [5] C. clavipes are described as phloem-feeding [6] and often predators [1] of other small insects, such as wood-boring beetles, and mites. [5]
In response to the unprecedented spread of bark beetles in the Rocky Mountains and other parts of the western United States, the U.S. Forest Service formed the Western Bark Beetle Research Group (WBBRG) in 2007—a collaboration between scientists from three research stations that pools knowledge and resources to better understand the threat and eventually develop a strategy to combat it. [10]
Dendroctonus is a genus of bark beetles.It includes several species notorious for destroying trees in the forests of North America. The genus has a symbiotic relationship with many different yeasts, particularly those in the genera Candida and Pichia that aid in digestion and pheromone production.