Japanese Beetle Information

Japanese Beetle Information - Japanese Beetles Pest Control

Affected Plants:
Grubs feed on grass roots, adults feed on a variety of plants.

Adults skeletonize leaves and chew flowers. Grubs feed on grass roots leaving brown patches of lawn.

Predator Insects:
Milky spore, Beneficial nematodes.

Natural Insecticides:
Sabadilla, rotenone and pyrethrum controls adults.

Other Methods of Control:

  • Hand pick adult beetles.
  • Keep the garden clean.
  • Raise the pH of the soil.
  • Larkspur is toxic to the beetles, so plant some nearby.
  • Geraniums and smartweed repel the insects.
  • Use commercial traps.

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