What non-native species reached plague proportions but were finally brought under control after the purposeful introduction of a disease that only affected this species?

Question

Quizplus · Accepted Answer

In Australia, rabbits were introduced in the 18th century for hunting purposes. However, they quickly became a pest species and caused significant damage to agricultural crops and ecosystems. In the 1950s, a virus called myxomatosis was introduced as a biocontrol agent, which had a devastating impact on rabbit populations and brought them under control.

What Non-Native Species Reached Plague Proportions but Were Finally Brought