| 释义 |
elm bark beetle
noun[ C ]
uk /ˈelm ˌbɑːk ˌbiː.təl/ us /ˌelm ˌbɑːrk ˈbiː.t̬əl/
a small beetle(= an insect with a hard shell-like back) that moves under the bark (= hard outer covering) of elm trees, bringing a disease that often kills them :
A tiny flying insect called the elm bark beetle spreads the fungus among the elms.
The elm bark beetle feeds and nests in elm wood.
Once the elm bark beetle entered the United States, it introduced a fungus that basically starved the trees.
Dutch Elm Disease was first identified in Seattle in 2001, and is often spread by the elm bark beetle.
The government made aggressive efforts to use pesticides to halt the progress of the fungus, which came from Europe and was carried by the elm bark beetle.
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