WASHINGTON — Crape Myrtle trees are found all over the DMV. They boast beautiful blooms and are a staple of many landscapes. But little white critters, called bark scale, are threatening the trees.

This suburban park in Adelaide's north-east used to resemble a small forest, filled with hundreds of well-established pine trees. But due to an infestation of an exotic pest, known as Giant Pine Scale ...

Giant pine scale is an exotic pest that kills pine trees and can be spread by humans. So far, it has felled nearly 1,400 trees in Adelaide's north-eastern suburbs, with the state's forestry industry ...