2021 Treatment Areas

The MDA, in collaboration with federal, state, and local partners, proposed treating gypsy moth populations at 13 sites in the spring/summer of 2021. Gypsy moths are an invasive insect, and our state monitoring program has found a high number of moths in these areas.

13 Proposed Gypsy Moth Treatments Sites

County Area Proposed Product Maps Notification Treatment Dates
Carlton & St. Louis Esko Mating Disruption

Aerial

Street

Sign up for text or email notifications for this area. Application completed July 13.
Hennepin Loring Park Btk (x2) Ground application

Aerial

Street

Sign up for text or email notifications for this area. First application was May 17 & 18. Second application was May 26.
Houston Jefferson Mating Disruption

Aerial

Street

Sign up for text or email notifications for this area. Application completed June 28.
Houston Mound Prairie Mating Disruption

Aerial

Street

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Application completed June 30.

Houston Brownsville Mating Disruption

Aerial

Street

Sign up for text or email notifications for this area. Application completed June 28.
Lake & St. Louis French River Mating Disruption

Aerial

Street

Sign up for text or email notifications for this area.

Application completed July 14.

St. Louis New Duluth Btk (x2)

Aerial

Street

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First application was June 15. Second application was June 18.
Wabasha & Winona Weaver Mating Disruption

Aerial

Street

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Application completed June 30.

Winona Dakota Mating Disruption

Aerial

Street

Sign up for text or email notifications for this area. Application completed June 30.
Winona Homer Ridge Mating Disruption

Aerial

Street

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Application completed June 30.

Winona

Pea Ridge

(New Hartford Township)

Btk (x2)

Aerial

Street

Sign up for text or email notifications for this area. First application was May 22. Second application was May 26.
Winona Pleasant Hill Mating Disruption

Aerial

Street

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Application completed June 28.

Winona Wiscoy Mating Disruption

Aerial

Street

Sign up for text or email notifications for this area. Application completed June 28.