Most lawns will have grubs and insects present. This is natural and is nothing to worry about. However if the level of grubs present reaches a critical mass, particularly at the same time as the lawn is under stress from for example drought or high levels of thatch, devastating problems can emerge.
Watch out for yellow/dying patches in early spring or late summer. A warning signal is the presence of birds tearing at the lawn as they feed. Animals such as badgers can also cause considerable damage to a lawn foraging for the grubs.
These pests can affect any lawn and may be difficult to eradicate. Lawns that have had problems should be monitored closely in subsequent years, particularly after a mild winter.
Chafer Grubs :
Once mature, these grubs are very difficult to deal with and the damage caused by their presence can be considerable. Their lifecycle is between one and three years depending on species. Preventive treatment is best but that does imply treating the lawn before really knowing there is a problem.
Purchasing chafer traps and hanging them up in the garden in early summer will help to warn of problems and could contribute to control as the traps only trap males, reducing the numbers available for reproduction. ( AVAILABLE FROM FIRST LAWN SHOP )
Ants do not kill the grass but are a nuisance, pushing large amounts of soil to the surface of the turf, which is then smeared into bumps by the lawnmower.
Ants are very difficult to control effectively but First Lawns has a very effective product that can be put in place to control the issue , we find that lawns that have been treated preventively with insecticide to control chafer grubs (see above) and leatherjackets generally help control allot of ant problems.
First Lawn applies preventive insecticide to lawns during early summer, which is taken up by the grass plant from the soil. When chafer grubs hatch and begin to feed on the roots of the grass plant they are affected by the insecticide and die.
Leatherjackets are grey brown worms that become daddy long legs (crane flies). They live in the soil and eat the roots of the grass. Insecticides are generally very effective at controlling these pests.