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Phloeosinus punctatus LeConte, 1876 (western cedar bark beetle) Phloeosinus scopulorum Swaine, 1924; Phloeosinus sequoiae Hopkins, 1903; Phloeosinus serratus (LeConte, 1868) (juniper bark beetle) Phloeosinus setosus Bruck, 1933; Phloeosinus spinosus Blackman, 1942; Phloeosinus swainei Bruck, 1933; Phloeosinus taxodii Blackman, 1922; Phloeosinus ...
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] As the larvae consume the inner tissues of the tree, they often consume enough of the phloem to girdle the tree, cutting off the spread of water and nutrients.
This beetle is cylindrical in shape and 3.5 to 5.5 millimeters long by about 1.4 millimeters wide. It is dark gray or shiny black with reddish antennae and legs. The newly hatched beetle is entirely reddish, and its color darkens over time. The elytra, the front of the face, and most of the prothorax are punctate. The head is bent downward, so ...
Juniperus ashei (Ashe juniper, mountain cedar, blueberry juniper, post cedar, or just cedar) is a drought-tolerant evergreen tree, native from northeastern Mexico and the south-central United States to southern Missouri. The largest areas are in central Texas, where extensive stands occur.
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]
When one beetle finds a suitable tree to eat, it will release a pheremone that serves as a signal locator for other beetles to join the same location, according to the U.S. Forest Service.
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Juniperus occidentalis, known as the western juniper, is a shrub or tree native to the Western United States, growing in mountains at altitudes of 800–3,000 meters (2,600–9,800 ft) and rarely down to 100 m (330 ft).