释义 |
bark beetlenounA small wood-boring beetle that tunnels under the bark of trees, which may die if heavily infested.- Family Scolytidae: many genera and species, including the elm bark beetle (Scolytus scolytus), which is responsible for the spread of the fungus which causes Dutch elm disease.
The species have decimated pine tree populations in India and are similar to the bark beetle that has ravaged forests in the western United States....- I can imagine an intelligent bark beetle pondering why it is that the oak tree on which it has deposited its eggs is so well suited to their growth.
- After several years of drought, which may be related to global warming, pine trees have become vulnerable to the bark beetle.
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