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This factsheet describes biological control methods for protecting trees from damage caused by non-native emerald ash borers, including the release of parasitoid wasps that attack emerald ash borer eggs or larvae.

• Wasp
• Biological Control
• Emerald Ash Borer
• Ash
• Parasitoid

This factsheet describes several diseases that impact the health of ash trees.

• Root Rot
• Plant Diseases
• Fungus
• Anthracnose
• Ash
• Plant Disease