Black Light Traps

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Pest Survey Program cooperators across t​he state maintain black light traps to monitor moth flights as an early warning of potential pest problems. Insect counts reported each week can alert growers to the emergence, abundance, and seasonal occurrence of a variety of nocturnal agricultural pests. The results are presented below and will b​e updated weekly through August.​

Week ending September 1, 2022

County​LocationBcwCel​CewDcwEcbForScwTawVcw​Wbc
Columbia​
Arlington

Columbia
Pardeeville
0
0
1
64
5
12
6
4
1
0
Dodge
Beaver Dam
0
0
7
2
4
15
2
2
0
1
Fond du Lac
Ripon0
0
2
28
2
0
8
2
0
0
Grant
Pr du Chien



​Manitowoc
​Manitowoc
​0
0
0
0
0
0
0
0
8
0
Marathon
Wausau E
0
0
8
11
1
0
37
6
0
0
Marathon
Wausau N
0
0
0
7
0
0
2
0
0
0
WalworthEast Troy
0
0
0
42
0
4
0
0
0
0
WoodMarshfield0
0
0
8
0
3
13
2
3
0

Key to insects:  Bcw = Black cutworm;  Cel = Celery looper;  Cew = Corn earworm;  Dcw = Dingy cutworm;  Ecb = European corn borer; For = Forage looper;  Scw = Spotted cutworm;  Taw = True armyworm;  Vcw = Variegated cutworm;  Wbc = Western bean cutworm. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​




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