Science

A recent spotted lanternfly discovery in St. Catharines, Ont., is renewing concern about the destructive insect reaching Canada from the United States. Experts say the invasive insect poses a serious threat to vineyards, fruit trees and hardwoods because it feeds on plant sap and can kill grapevines.

The insect can arrive in shipments or hitch rides on vehicles from the U.S.

· CBC News

· Posted: May 02, 2026 4:00 AM EDT | Last Updated: 10 hours ago

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Aidan Dagg, an inspector at a nursery, found a spotted lanternfly last month. (Aidan Dagg)

A recent spotted lanternfly discovery in St.…