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The chemical has a pleasant characteristic odor. Besides being a natural constituent of plants, it and its analogs are insect pheromones. In particular, verbenone when formulated in a long-lasting matrix has an important role in the control of bark beetles such as the mountain pine beetle and the Southern pine bark beetle.
Frontalin acts as an insect pheromone in bark beetles of the genus Dendroctonus, including Dendroctonus frontalis ( Southern Pine Beetle) and Dendroctonus brevicomis ( Western Pine Beetle ), as well as the Mountain Pine Beetle. The biologically active form is predominantly (-)-frontalin. [ 1] However, (+)-frontalin also occurs in some cases.
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 ...
A bark beetle is the common name for the subfamily of beetles Scolytinae. [1] Previously, this was considered a distinct family (Scolytidae), but is now understood to be a specialized clade of the "true weevil " family (Curculionidae). Although the term "bark beetle" refers to the fact that many species feed in the inner bark (phloem) layer of ...
Bark beetles communicate via pheromones to announce a new food resource (i.e. dead trees, roots, living trees, etc.) ultimately resulting in the accumulation of a large concentration of bark beetles. Select species of bark beetles have the capability to emit pheromones that can negatively affect the behavioral response of another competing ...
September 10, 2024 at 5:02 AM. An old nemesis of North Carolina's pine forests is having a resurgence in other Southeastern states as southern pine beetle outbreaks are decimating forest stands in ...
Ips confusus antenna. 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 18 inch (3.2 mm) and 14 inch (6.4 mm). [4]
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. A key distinguishing feature of different populations is how they produce the ...
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