True Armyworm

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​TrueArmywormBanner.JPG

Pheromone traps have been established at sites throughout Wisconsin to monitor early-season flights of true armyworm moths. Counts from the trapping su​rvey provide data on the ti​ming of local moth flights and may be useful for plannin​g field scouting activities. The results of the survey are presented below and will be updated weekly through July.​​
​​

Moth Counts for the Week Ending June 20, 2024​​

​​​​County
​Location​
​Week​ 1
​Week 2
​Week 3
​Week 4
​Week 5
​Week 6
​Week 7
​Week 8
​Week ​9​​​
​Week ​10
Week ​​11
​Week ​12
Week ​13

Week ​14

Week ​15

Week ​16

Week ​17

Week ​18

Week ​19​

Brown
Holland


​87
​140
​128
​15
​84
​8
​22
Columbia
​Arlington A


​36
55​
​22**
​25
​3
Columbia
​Arlington B

​10
​33
​12**
​22
​8
Columbia
​Arlington C
​3
​29
​20**
34​8​
Columbia
​Arlington D
​32
​12
​17**
24​​2
Columbia
​Lodi H
2
​4
​6
​7
​3
​1
​0
​0
​0​
Columbia
​Lodi O

​1
​14
​1
​0
​0
​0
​0
​0
​0
Columbia
​Lodi R
​2
​6
​0
​1
​0
​0
​0
​0
​0
Dane
​E Bristol A
​15
​0
​8
​9
​0
Dane
​​E Bristol B
​8
​0
​5
​0
​0
Dane
​Edgerton A
​5
​9
​4
​5
​1
​3
Dane
​Edgerton B
​3
​7
​1
​0
​0
​1
Dane
Stoughton A
​3
​4
​3
​2
​6
​1
Dane
​​Stoughton B
​1
0
​1
​1
​2
​0
​​Dodge
Lowell
​0
​0
0
38
13
30
29
​6
5
14
​7​
​3
Eau Claire
​Osseo H
​8
​54
​58
​35
72
​90
​88
​49
​44
​Eau Claire
​Osseo R
​0
​19
​5
​2
5
​5
​4
​2
​1
Fond du Lc
Johnsburg
​1
​0
2
22
52
36
130
101
​90
​137
​112
​52
​Fond du Lc
​Oakfield

​7
​4
​0
​1
​1
​1
​1
G​reen
​Brodhead A
​7
​5
​2
​3
​11
​0
​Green
​​Brodhead B
​7
​1
​0
​0
​5
​0
​Green
​Monroe
​14
​31
​3
​0
​2
1​​0
​0
​Green Lk
​Green Lake
​1
​Jackson
​Taylor
​25
​13
​10
​6
​5
​2
​1
​Jackson
​Taylor C
​6
​Jackson
​​Taylor NC
​0
​Jefferson
​​Watertown
​0
​0
1​3
​17
​8
​0
​6
​0
​8
​Jefferson
​Whitewater

​1
​2
​0
​1
​1

​0
​Kenosha
​Wheatland
​11
​11
​11
​1
​0
​Lafayette
​​Darlington


​1
​0
​0
Manitowoc
Manitowoc


5
20
57
13
​20
​17
​10
​8
​Oconto
​Mountain
​0
​1
​1
​0
​3
​8
​3
​6
​1
​Outagamie​
​Seymour
​18
​13
​15
​12
​14
​32

​Ozaukee
​Pt Washington
​20
​46
​47
​138
​44
​57
​9
​4
​Rock
​Evansville



​21
​64
​51
​94
​5
​0
​1
​3
​0
​2
​Rock
​Janesville M
​5
​6
​5
​1

0​
​Rock
​Janesville O
​33
​7
​0
​2​

​1
​Rock
​Janesville C
​3
​0
​0
​39
​3
​0
​0
​2
​8
​0
​Rock
​Janesville R
​0
​3*
​67
​4
​0
​0
​1
​3
​0
​Sauk
​Sauk City
​38
​24
​7
7​ ​8
​7
​1
​14
​0
​Sheboygan
​​Oostburg



​43
​48
​142
​53
​79
​30
​7
​4
​Sheboygan
​​Sheboygan

​0
81​ ​73
​38
​10
​4
​0
​0
​2
Walworth
​Delavan



​4
​44
​14
​8
​6
Walworth
Elkhorn
​​​


​28
​90
​11


​Week 1 (Mar 22-28); Week 2 (Mar 29-Apr 4); Week 3 (Apr 5-11); Week 4 (Apr 12-18); Week 5 (Apr 19-25); Week 6 (Apr 26-May 2); Week 7 (May 3-9); Week 8 (May 10-16); Week 9 (May 17-23); Week 10 (May 24-30); Week 11 (May 31-Jun 6); Week 12 (Jun 7-13); Week 13 (Jun 14-20); Week 14 (Jun 21-27); Week 15 (Jun 28-Jul 4); Week 16 (Jul 5-11); Week 17 (Jul 12-18); Week 18 (Jul 19-25); Week 19 (Jul 26-Aug 1). * Trap count represents a two-week period, Apr 19-May 2. ** Trap count represents two-week period May 24-Jun 6.

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