invasive species | StateImpact Pennsylvania Skip Navigation

Energy. Environment. Economy.

A reporting project of  NPR member stations

TAG | invasive species
3 Stories
Mason Heberling, the Carnegie Museum of Natural History's Assistant Curator of Botany, stands in Japanese knotweed, an invasive plant that was originally planted in gardens. Now, it is taking over riverbanks and forests.
October 31, 2023 | 11:41 AM

Why teaching people about invasive plants can get a little thorny

By Julie Grant/The Allegheny Front
A spotted lanternfly is seen in a bush in Dauphin County on Sept. 7, 2021.
January 14, 2022 | 8:53 AM

Penn State researchers aim to debunk myths surrounding spotted lanternfly

Some misconceptions about the spotted lanternfly came as a result of misunderstandings about the bug soon after it was discovered in Berks County in 2014.

By Rachel McDevitt
Gypsy moths and their egg masses can be found on trees. The Pennsylvania Department of Conservation and Natural Resources sprayed for the insect in 19 counties in May 2021.
June 4, 2021 | 2:01 PM

Pennsylvania sprays for gypsy moths in 19 counties, hoping to bring down a spike in the leaf-eating insect

Trees can handle some gypsy moth caterpillars, but too many mean a tree can lose too much foliage and could die.

By Anne Danahy