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Monochamus scutellatus, commonly known as the white-spotted sawyer or spruce sawyer or spruce bug or a hair-eater, [1] is a common wood-boring beetle found throughout North America. [2] It is a species native to North America.
The spruce beetle is the most serious pest of mature and overmature interior spruce in British Columbia; [8] small-diameter, rapidly growing trees were least susceptible to attack or death from spruce beetle, and the greater susceptibility of large-diameter, slowly-growing trees was more closely related to recent radial growth than to diameter. [9]
Dendroctonus micans, the great spruce bark beetle, is a species of bark beetle native to the coniferous forests of Europe and Asia. The beetles burrow into the bark of spruce trees and lay eggs which develop into larvae that feed on the woody layers under the bark.
Rhizophagus grandis is a species of predatory beetle in the family Monotomidae. [1] R. grandis is a specialist predator on the larvae of the great spruce bark beetle (Dendroctonus micans), a pest of spruce trees (Picea), and is found in Eurasian forests where its prey is found.
Species of spruce trees face assault from insects such as the white pine weevil (Pissodes strobi), Cooley spruce gall adelgid, and the pine needle scale (Chionaspis pinifoliae). The final category of Christmas trees, pines, are commonly susceptible to insect infestation and damage from the pine root collar weevil ( Hylobius radicis ), Zimmerman ...
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.
Tetropium fuscum, the brown spruce longhorn beetle, is a species of beetle in the family Cerambycidae. [1] It was described by Johan Christian Fabricius in 1787. [1] Tetropium fuscum is native to Europe and Northern Asia, and has been introduced to Nova Scotia, Canada. [2] Brown spruce longhorn is a pest of spruce trees.
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.
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