Dispose of wreaths properly to avoid spreading invasive insect

image of elongate hemlock scale The small brown blotches on the underside of these needles are an invasive species found on some holiday decorations purchased from chain stores in 2018. Help prevent the spread of elongate hemlock scale by properly disposing of wreaths, swags and other potentially infested materials. (Photo credit: WI Dept. of Ag, Trade & Consumer Protection)

Please remember to properly dispose of wreaths, trees and other holiday decorations from chain stores that may be infested with an invasive insect.

If you purchased any holiday wreaths, swags, boughs and other arrangements from chain stores, please dispose of them by burning or bagging them and putting them in the trash as they may be infested with an aggressive invasive insect that can harm Wisconsin’s native forests, Christmas tree farms, and even ornamental conifers in your yard.

During this recent holiday season, Department of Agriculture, Trade and Consumer Protection (DATCP) inspectors found an invasive insect pest from Asia called elongate hemlock scale (EHS) on holiday wreaths, swags and boughs, and in arrangements of evergreen boughs in hanging baskets, porch pots, mugs and sleighs.

These items came from suppliers in states where EHS is already established. This insect poses a risk to Christmas tree fields as well as native and ornamental coniferous trees in Wisconsin. To prevent the introduction of EHS to Wisconsin, DATCP officials are asking those who purchased the listed decorative items from chain stores in 2018 to properly dispose of them.

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