Staff from the Virginia Department of Conservation and Recreation (DCR) recently released hundreds of tiny beetles on eastern hemlock trees at Natural Tunnel State Park.
The beetles are natural predators of the invasive hemlock woolly adelgid, which threatens Virginia’s hemlock populations.
“These beetles feed exclusively on the adelgid, and once established, they can significantly reduce infestations,” DCR officials said.
The DCR and Virginia Department of Forestry have used the predatory beetles on state lands for several years.
Successful populations can be recaptured and relocated to help protect additional hemlock trees.
Some of the beetles released at Natural Tunnel were collected by Virginia Tech researchers from a previous release at Hungry Mother State Park.
State land managers hope the program will eventually help control invasive adelgids across Virginia.
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