Garden pests and beneficial natural enemies
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Garden Pests and Beneficial Natural Enemies. Dean S. Volenberg Agricultural Educator UW-Extension. Seed Corn Maggot . Colorado Potato Beetle. Flee Beetles. Striped Cucumber Beetle. Northern Corn Rootworm Beetle. Striped Cucumber Beetle. Western Corn Rootworm Beetle. Squash Bug.

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Garden Pests and Beneficial Natural Enemies

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Garden pests and beneficial natural enemies

Garden Pests and Beneficial Natural Enemies

Dean S. Volenberg

Agricultural Educator

UW-Extension


Seed corn maggot

Seed Corn Maggot


Colorado potato beetle

Colorado Potato Beetle


Flee beetles

Flee Beetles


Striped cucumber beetle

Striped Cucumber Beetle

Northern Corn Rootworm Beetle

Striped Cucumber Beetle

Western Corn Rootworm Beetle


Squash bug

Squash Bug

  • Appearance

  • Late June to Early July

  • Damage

  • Cosmetic Damage to developing fruit

  • Overwintering adults can damage seedlings and transplants

  • Vine feeding results in wilted vines


Squash vine borer

Squash Vine Borer

  • Monitor Vines when 900 degree days (base 50) have accumulated

  • Begin Monitoring in Door County on July 1

  • Insecticide applications every 7 days for three weeks will control emerging larvae


Maple galls

Maple Galls

  • Mites or Midges

  • Do not damage tree

  • No control recommended


Hemlock looper

Hemlock Looper


Katydid

Katydid


Damsel bug

Damsel bug


Calophasia lunula

Calophasia lunula


Stink bug

Stink Bug


Praying mantis

Praying Mantis


Minute pirate bug

Minute Pirate Bug


Assassin bug

Assassin Bug


Lampyridae fireflies

Lampyridae = fireflies


Lacewing

Lacewing


Garden pests and beneficial natural enemies

Monarch

Viceroy

  • Overwinters

    • Larva in rolled leaf

    • Wisconsin

  • Food Source

    • Poplars

    • Willows

  • Overwinters

    • Mexico

  • Food Source

    • Milkweed


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