Dutch elm disease (DED) is a fungal disease caused by a member of the sac fungi (Ascomycota) affecting elm trees, and is spread by elm bark beetles.

Source: https://news.err.ee/1609048499/tree-disease-that-has-wiped-out-kadriorg-elms-is-spreading-across-estonia

There was one street that had been lined with beautiful Dutch elm trees until the disease spread from one tree to the next.

Source: https://www.crescentavalleyweekly.com/news/11/30/2023/weather-watch-71/

The two new American elms will be planted along Music street, bred with a genetic boost to defend themselves against Dutch elm disease.

Source: https://vineyardgazette.com/news/2023/05/02/effort-restore-west-tisburys-trees-starts-take-root