Pheromone traps have been established at sites throughout Wisconsin to monitor the annual emergence and flight of western bean cutworm moths. The results will be published below and updated weekly from mid-June and continuing through mid-August.
Counts for the Week Ending August 19, 2021
| County | Location | Week 1 | Week 2 | Week 3 | Week 4 | Week 5 | Week 6 | Week 7 | Week 8 | Week 9 |
| Adams | Adams | | 0 | 0 | | | | | | |
| Burnett | Grantsburg | | | 0 | | 1 | 20 | 9 | | |
| Clark | Curtis | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Clark | Dorchester | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Clark | Granton | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Clark | Loyal | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
| Columbia | Arlington | 1 | 1 | 1 | 13 | 112 | 26 | 15 | 2 | 1 |
| Columbia | Arlington N | 0 | 0 | 0 | 10 | 20 | 34 | 3 | 0 | 1 |
| Columbia | Columbus | | 0 | 0 | 3 | 40 | 12 | 0 | 0 | 0 |
| Columbia | Fort Winnebago | | 0 | 17 | 20 | 65 | 56 | 48 | 3 | 1 |
| Columbia | Leeds | | 0 | 0 | 1 | 12 | 0 | 0 | 0 | 0 |
| Columbia | Lewiston | 0 | 0 | 5 | 67 | 117 | 173 | 88 | 8 | 0 |
| Columbia | Lodi | 1 | 0 | 1 | 11 | 64 | 88 | 26 | 8 | 4 |
| Columbia | Newport | 0 | 0 | 3 | 20 | 67 | 218 | 140 | 18 | 1 |
| Columbia | Pardeeville N | 0 | 0 | 2 | 32 | 31 | 33 | 4 | 4 | 0 |
| Columbia | Pardeeville S | 1 | 0 | 4 | 20 | 19 | 19 | 3 | 2 | 0 |
| Columbia | West Point | 0 | 0 | 0 | 30 | 30 | 37 | 2 | 2 | 0 |
| Dodge | Beaver Dam | 0 | 0 | 0 | 0 | 81 | 146 | 7 | 3 | 6 |
| Dodge | Fall River | | 0 | 0 | 3 | 19 | 16 | 9 | 2 | 0 |
| Dodge | Randolph | | 0 | 0 | 7 | 85 | 78 | 17 | 2 | 0 |
| Dodge | Waupun | 0 | 0 | 0 | 4 | 79 | 110 | 12 | 4 | 1 |
| Fond du Lac | Ripon | 0 | 0 | 0 | 3 | 54 | 145 | 10 | 2 | |
| Green Lake | Manchester | | 0 | 0 | 12 | 77 | 42 | 19 | 3 | 0 |
| Green Lake | Markesan | | 0 | 1 | 23 | 34 | 41 | 65 | 4 | 2 |
| Green Lake | Princeton | | 0 | 8 | 42 | 59 | 169 | 122 | 14 | 6 |
| Juneau | Lyndon Station | | 0 | 0 | 9 | 43 | 69 | 46 | 3 | 3 |
| Langlade | Antigo | 0 | 0 | | 4 | 1 | 41 | 38 | 1 | 2 |
| Manitowoc | Manitowoc | | 0 | 0 | 0 | 6 | 9 | 18 | 3 | 1 |
| Marathon | Wausau | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Marinette | Crivitz | | 0 | 0 | 0 | 0 | 30 | 17 | 27 | |
| Marquette | Montello | | 0 | 5 | 36 | 18 | 14 | 12 | 1 | 1 |
| Oconto | Abrams | | 0 | 0 | 0 | 2 | 27 | 8 | 2 | |
| Pepin | Durand | 2 | 2 | 1 | 1 | | 0 | | | |
| Polk | Atlas | | | 0 | | 0 | 15 | 34 | | |
| Racine | Burlington | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | |
| Sauk | Greenfield | 0 | 0 | 1 | 6 | 68 | 50 | 39 | 5 | 1 |
| Sauk | Lake Delton | | 0 | 6 | 34 | 52 | 64 | 60 | 3 | 1 |
| Sauk | Loganville | | 0 | 0 | 4 | 53 | 72 | 46 | 4 | 0 |
| Sauk | Merrimac | | 0 | 2 | 34 | 89 | 33 | | 25 | 4 |
| Sauk | Plain | | 0 | 0 | 4 | 18 | 36 | 14 | 1 | 1 |
| Sauk | Prairie du Sac | 0 | 1 | 32 | 90 | 12 | 9 | 5 | 0 | 1 |
| Sauk | Reedsburg S | | 1 | 0 | 1 | 13 | 29 | 2 | 0 | 0 |
| Sauk | Spring Green | | 0 | 3 | 19 | 31 | 27 | 6 | 3 | 2 |
| Sauk | Troy | | 0 | 4 | 47 | 39 | 25 | 14 | 0 | 3 |
| Sauk | West Baraboo | 0 | 0 | 0 | 4 | 11 | 15 | 4 | 1 | 1 |
| Walworth | East Troy | 1 | 0 | 0 | 4 | 5 | 4 | 4 | 0 | 0 |
| Waushara | Hancock | | | 0 | 0 | 8 | 30 | 12 | 5 | |
| Wood | Marshfield | 0 | 0 | 1 | 5 | 20 | 42 | 14 | 1 | 0 |
Key: Week 1 (June 17-23), Week 2 (June 24-30), Week 3 (July 1-7), Week 4 (July 8-14), Week 5 (July 15-21), Week 6 (July 22-28), Week 7 (July 29-August 4), Week 8 (August 5-11), Week 9 (August 12-18).
|
