Subscribe now

Environment

Wood-eating beetles may make wildfires emit even more carbon

When downed trees are attacked by beetles, the wood becomes more flammable, demonstrating another way insects can alter the risk of wildfires

By James Dinneen

10 March 2025

An experiment tests how holes from tree-killing beetles affect carbon emissions when wood burns

Shudong Zhang et al. 2025

Beetle attacks on dead wood could boost the amount of carbon released during wildfires.

“The beetles do make a difference,” says Hans Cornelissen at Vrije Universiteit Amsterdam in the Netherlands.

Researchers already knew that, by killing trees, insect infestations in forests can alter the risk of wildfires. Many species of beetles and other insects also eat downed trees on the forest floor, leaving tracks and holes in…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox! We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop