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Tag: natural enemies

eupatorium gall fly (Procecidochares utilis)

Study Shows Elevation Affects Fly’s Use as Natural Enemy of Invasive Weed

In Nepal, the gall-inducing eupatorium gall fly (Procecidochares utilis) is deployed as a biological control agent against the invasive weed Ageratina adenophora. A new study by researchers at Tribhuvan University and the Feed the Future Innovation Lab for Integrated Pest Management shows size and abundance of galls induced by the fly are influenced by elevation, knowledge that can help in fine-tuning P. utilis-based biocontrol efforts.

Spathius galinae

A Promising New Parasitoid Drills Down on Emerald Ash Borers

In a recent study, the wasp Spathius galinae successfully established wild populations and outperformed other parasitoids in attacking invasive emerald ash borers in three northeastern states in the U.S. Researchers say it could become a useful biological control agent to protect native ash trees.

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