Western Bean Cutworm

​​​​​​​​​​​​​​​​​​​​​​​ Western Bean Cutworm banner

Pheromone traps are 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.​​​

For the 2022 season, 36 pheromone traps have been established in 16 counties. C
urrent multistate migration maps are also available at Great Lakes and Maritimes Pest Monitoring Network​ (select WBC tab).

Moth counts June 24-August 25, 2022

County​

Location

Week 1

Week 2

Week 3

Week 4

Week 5

Week 6

Week 7

Week 8

Week 9

Clark

Granton


0

0

0

 0

 6

1

9

 1

Columbia

Arlington E

1

1

1

0

11

28

5

0

​​Columbia
​Arlington W
0​0
​3
​64
​24
​3
​1
​0

Columbia

Pardeeville


0

22

44

15

5

1

​0

1

Columbia

Portage N

2

4

39

117

155

67

36

8

9

Columbia

Portage S

0

0

3

16

113

60

5

2

2

Columbia

Portage W

0

1

3

45

57

50




Columbia

​Randolph


0

0

6

43

11

2

0

0

Columbia

Rio E


1

2

36

70

2

2

0

1

Columbia

Rio W

​0

0

0

37

91

30

8

2

0

Dodge

Beaver Dam


0

0

2

14

23

5

1

0

Dodge

Fall River

 

0

0

9

36

5

3

3

0

Dodge

Waupun

0

0

0

4

98

55

22
7 0

Fnd du Lac

Ripon

0

0

0

4

36

112

11

0

4

Grn Lake

Green Lake


0

1

50

91

80

27

7

1

Grn Lake

Markesan


1

0

1

30

16

9

3

1

Grn Lake

Princeton


0

1

49

181

79

42

13

0

Manitowoc

Manitowoc



0

0

6

21

8

4


Marathon

Wausau E

0

0

0

0

0

0

2


0

Marathon

Wausau N

0

0

1

3

5

12


1

Marinette

Crivitz

 




47

51

55

144

23

Marquette

Montello E


2

26

46

56

31

0

7

0

Marquette

Montello W


1

27

94

112

22

26

2

1

Oconto

​Lena

 





32

17

17

8

Pepin

Durand

0

0

0

8

48

33

22

16

3

Richland

Richld Center

 

0

1

0

10

37

19

5

1

Sauk

Baraboo

0

0

9

37

18

9

0

​​​0

Sauk

Lake Delton


1

28

42

81

88

16

9

0

Sauk

Merrimac

0

0

2

46

195

78

12

7

3

Sauk

Plain E


0

1

5

51

11

2

0

1

Sauk

Plain N

 

0

0

1

31

25

6

6

Sauk

Reedsburg

 

0

0

0

4

0

0

0

0

Sauk

Spring Green

0

1

11

7

22

4

1

4

1

Walworth

East Troy

0

0

0

78

132

18

3

0

Waushara

Hancock

 

 

0

0

10

2

6

3 ​

1

Wood

Marshfield

0

0

0

1

6

25

5

1

​​1


Week 1 (June 24-30), Week 2 (July 1-7), Week 3 (July 8-14), Week 4 (July 15-21), Week 5 (July 22-28), Week 6 (July 29-August 4), Week 7 (August 5-11), Week 8 (August 12-18), Week 9 (August 19-25).

20220721mapwesternbeancutworm.png 2022mapwesternbeancutworm072122w.png

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