Chafer Grub Killer Nematodes

Use Nemasys Chafer Grub Killer to deal with a chafer grub infestation, without any of the precautions associated with chemical use, such as excluding children and pets from treated areas until dry or the question of what to do about grazing pets, such as rabbits and guinea pigs.

Nemasys Chafer Grub Killer should be applied to moist turf. If applying in hot weather it is better to wait till later in the day when the ground won’t dry out so quickly. Water well after application and keep well watered for at least two weeks. Apply Nemasys Chafer Grub Killer during August and early October. This is when the young grub larvae are active and the temperature is above 12ºC (54ºF).

Immediately after application, water the grass well so the nematodes are washed into the soil to reach the roots where the chafer grubs will be. Make sure the lawn does not dry out after applying nematodes. Keep the lawn well watered for at least two weeks.

Do not apply too late since the grubs start to move down deeper in the soil and become inactive until the following spring. However, as this move downwards is temperature dependent, in some years it may still be ok to apply later. Generally as long as the grubs are near the surface and the soil temperature is above 12ºC (54ºF), nematodes can still be applied.

There are two pack sizes of Nemasys Chafer Grub Killer, to treat 100m2 and 500m2.