Pheromone traps have been established at sites throughout Wisconsin to monitor late-season migration flights of fall armyworm moths. The results are published below and will be updated weekly through mid-September.
Moth Counts September 10-16, 2026
Brown
| Greenleaf
| | 8
| 26
|
| 16
| 0
| |
Columbia
| Arlington
| 0
| 0
| 12
| 0
|
0
| 42
| 370
|
Columbia
| Cambria
| 0
| 2
| 0
| 2
|
2
| 2
| 33
|
Columbia
| Columbus
| 0
| 0
| 0
| 0
|
0
| 0
| 1
|
Columbia
| Lodi
| 0
| 0
| 0
| 1
| 0
| 5
| 19
|
Columbia
| Pardeeville
| | 0
| 0
| 0
| 0
| | 0
|
Columbia
| Portage W
| 0
| 0
| 0
| 0
| 0
| 1
| |
Columbia
| Westpoint
| 0
| 0
| 0
| 1
| | 2
| 7
|
Dodge
| Beaver Dam
| | | 0
| 5
| 2
| 10
| 90
|
Dodge
| Leroy
| 2
| 1 | |
| | 2
| 0
|
Dodge
| Rubicon
| | 2
| 6
| 5
| | 17
| 42
|
Dunn
| Weston
| 0
| 0 | 0
| 1
|
0
| 0
| 15
|
Fond du Lac
| Calumetville
| 15
| 30
| 60
| 85
| 30
| 10
| 10
|
Fond du Lac
| Dotyville
| 0
| 0
| | 0
|
| 0 | 1
|
Grant
| Lancaster N
| 0
| 2
| 4
| 6
|
6
| 57
| 249
|
Grant
| Lancaster S
| 2
| 1 | 2
| 2
|
2
| 85
| 157
|
Grant
| South Lancaster
| 0
| 0
| 0
| 0
|
0
| 0
| 0
|
Green
| Brodhead
| | 0
| 4
| 8
| 2
| 7
| 16
|
Green
| Monroe
| 0
| 0
| 0
| |
0
| 0
| 0
|
Iowa
| Hollandale SW
| 3
| 4 | 18
| 11
|
0
| 30
| 40
|
Jefferson
| Lake Mills
| 12
| 7
| 12
| | 19
| | |
Manitowoc
| St. Nazianz
| 0
| 0
| 0
| |
2
| 1
| 0
|
Marathon
| Kronenwetter
| | | 2
| | | | |
Marathon
| Wausau N
| 2
| 0 | 7
| 10
|
3
| 2
| 33
|
Oconto
| Mountain
| 0
| 1
| 14
| 12
| 16
| 14
| 40
|
Oconto
| Suring
|
| | 0
| | 0
| 0
| |
Ozaukee
| Fredonia
| 0
| 1
| 1
| 0
| 0
| 2
| 14
|
Pepin
| Durand
| | 0
| | 1
| 3
|
| 1
|
Portage
| Amherst
| | | 1
| | | | |
Rock
| Clinton E
| 0
| 8
| 1
| 4
| 2
| 4
| 11
|
Rock
| Janesville N
| 0
| 3
| 0
| 0
| | 17
| 30
|
Rock
| Janesville S
| 0
| 0
| 0
| 0
| | 2
| 0
|
Sauk
| Reedsburg
| 0
| 1
| 5
|
| | 1
| 1
|
Sauk
| Spring Green
| | 2
| 2
| | 1
| 4
| 19
|
Sheboygan
| Oostburg
| 8
| 1
| 4
| 3
| | 1
| 0
|
Walworth
| Darien N
| 0
| 0
| 1
| 6
| 0
| 13
| 7
|
Walworth
| Delavan
| 0
| 1
| 0
| 0
| 0
| 4
| 9
|
Washington
| Boltonville
| 1
| 1
| 1
| 4 |
| 2
| 0
|