Before 1945, Hawaiʻi released wasps to kill crop pests; decades later, they made up 83% of the parasitoids found attacking native forest moths

The introduction of wasps to Hawaiian farms has led to their establishment in local forests, where they now prey on native moth species, significantly affecting their numbers. This early biological control initiative, intended for agricultural pest management, has had enduring ecological repercussions. The unplanned proliferation of these wasps underscores the potential dangers associated with the introduction of non-native species.
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