Garden Pests and Beneficial Natural Enemies - PowerPoint PPT Presentation

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  1. Garden Pests and Beneficial Natural Enemies Dean S. Volenberg Agricultural Educator UW-Extension

  2. Seed Corn Maggot

  3. Colorado Potato Beetle

  4. Flee Beetles

  5. Striped Cucumber Beetle Northern Corn Rootworm Beetle Striped Cucumber Beetle Western Corn Rootworm Beetle

  6. 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

  7. 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

  8. Maple Galls • Mites or Midges • Do not damage tree • No control recommended

  9. Hemlock Looper

  10. Katydid

  11. Damsel bug

  12. Calophasia lunula

  13. Stink Bug

  14. Praying Mantis

  15. Minute Pirate Bug

  16. Assassin Bug

  17. Lampyridae = fireflies

  18. Lacewing

  19. Monarch Viceroy • Overwinters • Larva in rolled leaf • Wisconsin • Food Source • Poplars • Willows • Overwinters • Mexico • Food Source • Milkweed