(The Center Square) – It’s official: the invasive northern giant hornet has been declared eradicated from Washington state ..

The Washington state Department of Agriculture is expanding eight-fold the area of private and public land in the Tri-Cities ...

An adult Japanese beetle. Washington State Department of Agriculture Adult Japanese beetles are up to a half inch long and have a metallic green head and thorax and iridescent copper wing covers.

The Washington state Department of Agriculture is seeking permission to treat public and private properties outlined in red this spring to help eradicate invasive Japanese beetles that have spread ...

as well as increased pesticide costs to manage the beetle, according to the Washington state Department of Agriculture. Residents must deal with the pest in their lawns and gardens as well ...