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 August 13-19, 2026
- Weekly total: 183
- Cumulative total: 304
- Traps reporting: 35
- Positive traps: 20
- Weekly avg moths per positive trap: 9
- Weekly highest count: 60
Brown
| Greenleaf
| | 8
| 26
| | | | |
Columbia
| Arlington
| 0
| 0
| 12
| |
| | |
Columbia
| Cambria
| 0
| 2
| 0
| |
| | |
Columbia
| Columbus
| 0
| 0
| 0
| | | |
|
Columbia
| Lodi
| 0
| 0
| 0
| | | | |
Columbia
| Pardeeville
| | 0
| 0
| | | | |
Columbia
| Portage W
| 0
| 0
| 0
| | | | |
Columbia
| Westpoint
| 0
| 0
| 0
| | | | |
Dodge
| Beaver Dam
| | | 0
| | | | |
Dodge
| Leroy
| 2
| 1 | | | | | |
Dodge
| Rubicon
| | 2
| 6
| | | | |
Dunn
| Weston
| 0
| 0 | 0
| |
| | |
Fond du Lac
| Calumetville
| 15
| 30
| 60
| | | | |
Fond du Lac
| Dotyville
| 0
| 0
| | |
| | |
Grant
| Lancaster N
| 0
| 2
| 4
| |
| | |
Grant
| Lancaster S
| 2
| 1 | 2
| |
| | |
Grant
| South Lancaster
| 0
| 0
| 0
| |
| | |
Green
| Brodhead
| | 0
| 4
| | | | |
Green
| Monroe
| 0
| 0
| 0
| |
| | |
Iowa
| Hollandale SW
| 3
| 4 | 18
| |
| | |
Jefferson
| Lake Mills
| 12
| 7
| 12
| | | | |
Manitowoc
| St. Nazianz
| 0
| 0
| 0
| |
| | |
Marathon
| Kronenwetter
| | | 2
| | | | |
Marathon
| Wausau N
| 2
| 0 | 7
| |
| | |
Oconto
| Mountain
| 0
| 1
| 14
| | | | |
Oconto
| Suring
|
| | 0
| | | | |
Ozaukee
| Fredonia
| 0
| 1
| 1
| | | | |
Pepin
| Durand
| | 0
| | | | | |
Portage
| Amherst
| | | 1
| | | | |
Rock
| Clinton E
| 0
| 8
| 1
| | | | |
Rock
| Janesville N
| 0
| 3
| 0
| | | | |
Rock
| Janesville S
| 0
| 0
| 0
| | | | |
Sauk
| Reedsburg
| 0
| 1
| 5
| | | | |
Sauk
| Spring Green
| | 2
| 2
| |
| | |
Sheboygan
| Oostburg
| 8
| 1
| 4
| | |
| |
Walworth
| Darien N
| 0
| 0
| 1
|
| | | |
Walworth
| Delavan
| 0
| 1
| 0
| | | | |
Washington
| Boltonville
| 1
| 1
| 1
|
|
| | |