bark beetle

American  

noun

1. any of numerous small, cylindrical beetles of the family Scolytidae that nest under the bark of hardwood trees, leaving intricate tracings on the wood.

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bark beetle British  

noun

1. any small beetle of the family Scolytidae , which bore tunnels in the bark and wood of trees, causing great damage. They are closely related to the weevils

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Etymology

Origin of bark beetle

First recorded in 1860–65

Example Sentences

Dutch Elm Disease is a fungal infection spread by tiny bark beetles.

From BBC

Even recent bark beetle infestations have contributed to the fiery conditions, as they prey on damaged trees and dry vegetation.

From Los Angeles Times

Drought stress also weakens trees, leaving them susceptible to bark beetle infestations.

From Salon

For the first time, researchers have found that bark beetles are also killing sequoias.

From Los Angeles Times

That could be seen during last year’s Creek fire, which ignited in the Sierra National Forest, where bark beetle attacks have killed nearly 150 million trees during the last decade.

From Los Angeles Times