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California root borers are considered an orchard pest. It has become a prominent pest of fruit trees in the Intermountain West region. The tunneling habits of the larvae can cause the death of infested trees. This can be caused directly, through girdling of the root cambium, or indirectly as the weakened host becomes susceptible to disease. [1]
The adult wood-boring beetles lay their eggs in a crevice in the bark of hardwood trees, such as Oregon ash, New Mexico willow, and California laurel/Oregon myrtle. [1] From there the larvae bore into the wood.
Were it not for these beetles and their larval tunnels promoting fungal infections, it could be one of the most valuable timber trees that could be planted in the northern and middle states; young trees grow quickly and vigorously for a number of years, but soon become stunted and diseased, and rarely live long enough to attain any commercial ...
If you think you found a beetle or tree damage, report it by calling the ALB hotline at 1-866-702-9938 or submitting an online report at www.AsianLonghornedBeetle.com. Try to photograph the ALB or ...
The goldspotted oak borer is just 14 miles from the Santa Monica Mountains' 600,000 oak trees and threatens to devastate forests throughout California, harming wildlife and increasing fire risks.
The beetle penetrates through thin or cracked bark in the canopy branches. [1] It first invades and kill branches in the canopy of a tree, then spreads to the trunk, culminating in the death of the tree. [2] The females produce two or more generations annually. Large populations can develop in the lower trunk over a number of growing seasons.
Placosternus difficilis, commonly known as the mesquite borer, is a wood-boring longhorn beetle [1] [2] which resembles a black and yellow wasp. [3] Larvae of mesquite borers are deposited in, among others, mesquite trees, although it has been recorded from a range of hosts and is considered polyphagous. [4]
The cottonwood borer (Plectrodera scalator) is a species of longhorn beetle found in the United States east of the Rocky Mountains that feeds on cottonwood trees. [3] It is one of the largest insects in North America, with lengths reaching 40 millimetres (1.6 in) and widths, 12 mm (0.47 in). It is the only species in the genus Plectrodera. [4]