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Package contents
The consumer size of TERRANEM contains 50 million beneficial parasitic nematodes (Heterorhabditis bacteriophora) in a clay/gel carrier.

This package will treat a surface of up to 2500 ft or 230 m. (Adjust the rate according to the level of infestation)

How beneficial nematodes work
Beneficial nematodes search actively in the soil for white grub larvae. Once found they enter the white grub through any natural opening in the body and release a bacteria in the grub which causes it to die. These bacteria multiply very rapidly and transform the body of the dead insect into food for new nematodes which are multiplying in their host. These new nematodes leave the body of the dead grub and search for new larvae to infect and kill.

Insects controlled
Controls the larvae stage of several white grub species including the following: European chafer, common chafer, Japanese beetle, Asiatic beetle, May and June beetle, black vine weevil, strawberry root weevil and other insect pests that live in the soil.

Application period
Although beneficial nematodes can be applied any time pest larvae are present and soil temperatures are above 12-14 degrees centigrade, late summer and early fall is the ideal time for application. The grub larvae are vulnerable as they are small, thin-skinned and near the surface feeding on grass roots.

In Western Canada this application takes place earlier due to the warmer climate. Application times run from mid to late July into August for best results.

Mixing & application


  • A variety of application devices can be used to apply TERRANEM:
  • Tank Sprayer or Watering Can: Empty the contents of the package into a 20 litre (5 gallon) container of water and stir. Once the product is in solution pour into the sprayer and apply immediately.
  • Hose-end sprayer: Mix the contents of the package in 1 to 2 litres of water. The resulting liquid can be used as a concentrate to fill the tank of most hose-end sprayers. Follow sprayer directions and adjust to the setting that uses the most water.
  • If your spraying device contains any screens, remove them prior to application.
  • Always apply when the soil temperature is between 14C and 33C(57F and 91F).
  • Moisten the soil in the area to be treated prior to the application of the nematodes.
  • Always agitate the sprayer or watering can gently during application to ensure a uniform distribution.
  • After the application, water the lawn with a hose or sprinkler to help the nematodes penetrate the soil.
  • Keep the soil moist for 4 to 7 days after application to ensure best performance.
  • Avoid using pesticides on the treated area 10 days before and 10 days after nematode application.
  • Avoid spraying in windy conditions.

Product storage
Apply the nematodes as soon as possible for best product performance. If you cannot apply immediately, store in a refrigerator. Always use the product before the expiry date on the bottom of the box.

Visible effects
White grubs infected by nematodes will turn from white/beige to red/brown 7 to 10 days after application.

Notice to buyer
Sellers guarantee shall be limited to the terms set out on the label and subject thereto, the buyer assumes the risk to persons or property from the use or handling of this product and accepts the product on that condition.