N.B. forests have dodged a devastating infestation bullet, insect expert says
Posted: Jun 23, 2021 6:13 PM AT | Last Updated: June 24 For reasons scientists don't yet fully understand, spruce budworm outbreaks occur in 35-year cycles. The insect feeds off thorns of fir and spruce trees, leading to defoliation.(Radio-Canada)
Source: cbc.ca