Wisconsin Vegetable Insects

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Wisconsin Vegetable Insects

• Cole Crops

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Healthy Cabbage
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Healthy Broccoli
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Healthy Cauliflower
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Cabbage Maggot Damage
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Damaged Turnip
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Larvae on Cabbage Root
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Cabbage Maggot
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Degree Day Calculation

• (High temp Low temp) ? 2 Daily Average
  Temperature
• Daily Average Temperature - 43º Degree Days
• Degree days Cumulative DD total new DD total

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Cabbage Maggot Monitoring
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Flea beetle Damage
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Adult Flea Beetle
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Diamondback Moth Larvae
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Diamondback Moths
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Imported Cabbageworm
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Imported Cabbageworm Pupa
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Imported Cabbageworm Butterfly
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Imported Cabbageworm Eggs
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Cabbage Looper Eggs
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Cabbage Looper Larva
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Cabbage Looper Moth
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Treatment Thresholds

• Cabbage
• Seedbed 10
• Transplant to cupping 30
• Cupping to early heading 20
• Early heading to mature head 10

• Broccoli Cauliflower
• Seedbed 10
• Transplant to first flower or curd 50
• First flower or curd to maturity 10

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Cabbage Aphid
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Cabbage Aphid Damage
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Onion Thrips
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Natural Enemies of Cole Crop Pests

• Diamondback moth
• Larvae pupae Diadegma insulare
• Imported cabbageworm
• Larvae Cotesia glomeratus
• Pupae Pteromalus puparum
• Cabbage looper
• Egg Trichogramma spp.
• Larvae Voria ruralis
• Pupae Copidosoma floridanum

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