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Essential oils help to stop invasive beetles from eating palm trees

By Gary Hartley

23 July 2021

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Red palm weevils eat their way through palm trees

agefotostock / Alamy

The red palm weevil, a beetle known for its devastating effect on palm trees, can be stopped in its tracks by clove and thyme oil – offering hope of new control options for growers hit hard by the insect’s damage to their crops.

Researchers at the University of Malaysia, Terengganu tested the effect of eight chemicals derived from the two essential oils on feeding by larvae of the red palm weevil (Rhynchophorus ferrugineus). It is one of the world’s most invasive species and severely affects the date, coconut…

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