How do you treat chafer grubs UK?
In terms of controlling them, you can use biological control such as chafer grub nematodes once you have confirmed the damage is caused by grubs. You can use Nemasys Chafer Grub Killer which are microscopic animals that combat the larvae by infecting them with a deadly disease when they are watered into your lawn.
Are chafer grubs a problem?
The chafer grub burrows holes through vegetation including lawns, resulting in large patches of bare brown grass. If they are left untreated, they can cause extensive damage to your lawn by enticing predators such as birds, badgers and foxes to dig for a tasty meal.
What do chafer grubs turn into?
When the chafer grub has built up enough food reserves it grows a hard shell and transforms into a pupa. This usually happens in the spring as the soil is warming. It stays in this phase for around 4 weeks whilst the body of the insect is broken down and rebuilt into an adult beetle.
What are the grubs in my lawn UK?
Chafer grubs can be found in the soil under the loose turf. They have stout white bodies curved in a C shape, light brown heads, with three pairs of legs at the head end. They are bigger than the adult beetles and, if straightened out, can be up to 18mm (almost ¾in) long. These can have larvae up to 30mm (over an inch)
How deep do chafer grubs go?
Garden and Welsh Chafer Grubs are typically between 10mm – 15mm long and you’ll see them lay in the soil under the turf in a ‘C’ shape.
How do you treat chafer grubs in a lawn?
The larvae can be controlled by removing them by hand or applying a biological nematode. Chafer Grub killer can be applied from late July until October. Soil temperatures are not high enough in spring for the nematodes to be active.
How deep do Chafer grubs go?
How do you treat Chafer grubs in a lawn?
What is the best lawn grub killer?
Pesticides such as Amgrow Patrol or Acelepryn GR kill all types of grass grubs including African Black Beetle, Argentinian Scarab, Sod Webworm and Lawn Armyworm. It’s best to apply pesticide early in the evening when the adults are active.
What is the difference between leather jackets and chafer grubs?
When fully grown, the leatherjackets pupate in the soil, eventually emerging as new adults crane flies. Leatherjackets and leatherjacket damage are usually worse in a wet autumn. Chafer grubs are large, creamy-white, C-shaped grubs with large brown heads and six legs.
What are the different types of chafer grubs?
Chafer grubs are the larvae of the Chafer Beetle. There are six species in the UK: the Welsh Chafer, Summer Chafer, Brown Chafer, Cock Chafer, Garden Chafer and Rose Chafer.
How does chafer Grub get into leather jackets?
This is a living microscopic worm that will seek out the Leather Jackets, penetrate them and then infect them with a bacteria which stops them feeding and then they quickly die. The nematode will then leave the grub and seek out another one to infect. When Do I Need To Apply Treatment?
What kind of nematodes are used to control Chafer grubs?
The group of nematodes that are used to control Chafer Grubs are host specific. The species used to control chafer grubs are; Heterorhabditis bacteriophora. They are native to Britain, persistent in the soil for long-term control and are safe for users and the environment.
How can I get rid of chafer Grub in my lawn?
As an extra integrated control measure, there is now evidence that treating the affected lawn or turf with a slow release, nitrogen based fertiliser containing calcium cyanamide, aids recovery of chafer damaged lawns and turf by the metabolites damaging the chafer grub larvae such Amvista Chafer Special. How to apply Nemasys chafer grub killer?