DATCP presents 2022 gypsy moth treatment plans

MADISON, Wisconsin – The Wisconsin Department of Agriculture, Commerce, and Consumer Protection (DATCP) has released the Gypsy Moth (formerly known as Gypsy Moth) Treatment Plan for 2022, including a video presentation online, interactive maps and fact sheets on smaerialspray.wi.gov.

The gypsy moth is a non-native insect with a destructive appetite for hundreds of species of trees and shrubs. Treatment efforts help limit the spread of this established pest in the eastern two-thirds of the state.

“This invasive pest is a serious threat to our forests and urban trees. It has the potential to negatively impact Wisconsin’s lumber, paper, nursery and tourism industries,” said Christopher Foelker, DATCP’s gypsy moth treatment program coordinator.

Beginning in May and continuing through July, low-flying planes will spray selected areas in western Wisconsin to treat outlier populations of gypsy moths. A total of approximately 163,491 acres at 57 sites in 17 counties are to be treated.

The following counties should receive aerial treatments: Bayfield, Barron, Buffalo, Burnett, Chippewa, Crawford, Dunn, Eau Claire, Grant, La Crosse, Lafayette, Pépin, Rusk, Sawyer, Trempealeau, Vernon and Washburn.

Public input is welcome and gypsy moth program staff are available to answer questions regarding proposed treatment plans. To speak with staff, learn more about gypsy moth, and view the video presentation and maps, please visit smaerialspray.wi.gov.

To receive up-to-date information on treatment plans during the spray season or to comment on proposed treatment plans:


To note: A new common name for Lymantria dispar, gypsy moth, replaced the insect’s previous name, gypsy moth, in 2022. Thank you for your patience and understanding as we go through the name change process. For more information, visit the Entomological Society of America website.

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