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Invasive Species

February 27, 2020 12:00 AM
By: Andrew Rohrbaugh, Program Services and Support Section Chief, Division of Forest Health, Bureau of Forestry

Tackling invasive mile-a-minute manually, chemically, and with the help of the weevil.


February 26, 2020 12:00 AM
By: Rebecca Bowen, Conservation Science and Ecological Resources Division Chief, DCNR's Bureau of Forestry

Early detection and rapid response of invasive plants is critical for limiting their negative impacts.


February 24, 2020 12:00 AM
By: Emily Domoto, Ecological Services Section Chief, Bureau of Forestry

The invasive Japanese barberry isn’t attracting another invasive pest, but a pest that many Pennsylvanians try to avoid -- ticks.


October 16, 2019 12:00 AM
By: DCNR

Pennsylvania's state tree, the eastern hemlock, is seriously threatened by the invasive hemlock woolly adelgid.


March 01, 2019 12:00 AM
By: DCNR

New invasive species are expected to move into the commonwealth, and those already here could increase due to changing climate.


February 27, 2019 12:00 AM
By: Rebecca Bowen, Conservation Science and Ecological Resources Division Chief, DCNR's Bureau of Forestry

We're always on the lookout for invasive plant species that are up-and-coming threats. Check out these emerging species of concern.