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Dendroctonus brevicomis, the western pine beetle, is a species of crenulate bark beetle in the family Curculionidae. It is found in North America [ 1 ] [ 2 ] [ 3 ] and parts of Mexico. [ 4 ] It is known as a destructive pest of ponderosa and Coulter pine trees. [ 5 ]
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.
These bark beetles live in and feed on the phloem in the inner layer of bark on trees. They usually inhabit dead, dying, and stressed trees, including fallen trees, cut logs, and slash . They can be found in trees that are already damaged by drought , lightning , human activity, or pest infestation. [ 6 ]
The trees are often simultaneously attacked by certain species of engraver beetles (Ips spp.) and the southern pine beetle (Dendroctonus frontalis). [2] Dendroctonus terebrans attacks pine trees near the base. A female beetle tunnels into the bark and has to overcome the resin exuded by the tree as a defence. This oozing resin mixes with the ...
The pinyon ips is a small, brown, cylindrical bark beetle with spines on the distal portion of the abdomen, which is typical for this genus of bark beetles. Pinyon ips has five such spines. The adult’s length ranges between 1 ⁄ 8 inch (3.2 mm) and 1 ⁄ 4 inch (6.4 mm).
Dendroctonus frontalis, the southern pine beetle, [1] often shortened to simply SPB, is a species of bark beetle native to the forests of the southern United States, Mexico and Central America. [2] It has recently expanded its range to the northeastern United States , where it is considered an invasive species and has destroyed massive amounts ...
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