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Protecting Ash Trees

The Tiny Champion Fighting Emerald Ash Borer

EAB
    The emerald ash borer (EAB) biological control staff of the USDA’s Plant Protection and Quarantine (PPQ) program have reared four stingless wasp species that are EAB natural enemies. Three attack EAB’s larvae, and one attacks its eggs. The staff produce the wasps year-round and keep them in cold ...
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