chafer grubs treatment

Chafer grubs are the larvae of the Chafer beetle, (May bug). They cause problems on lawns by feeding on the roots of grasses, biting them off just below the surface. The adult beetles appear between May and July depending on the weather conditions, where they feed on shrubs and trees before laying the eggs in the grass. The larvae hatch about 2 weeks later and begin to feed on grass roots until late September when they move deeper into the soil where they pass the winter away. The larvae have white bodies curved in letter C shape, light brown heads, with 3 pairs of legs.



As the larvae grow bigger, they cause more damage. Early symptoms include gradual thinning, yellowing and weakening of the grass where the roots have been damaged followed by the appearance of irregular dead patches. In most cases the larvae are discovered when birds or mammals begin to rip up areas of the turf looking for the grubs.The only practical solution is to apply a biological control of beneficial nematodes to control their numbers.


  • Number of Treatments: Typically, once a year, with up to three applications.
  • Timing of Treatments: July October but mainly in August September.
  • Treatment Type: An additional lawn care treatment.


The benefits are:

  • Improved surface quality and its appearance.
  • No damaged in autumn due to wild life digging up your lawn.


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