Frequently Asked Questions About Chafer Beetles & Chafer Grubs

What are chafer beetles?

Chafer beetles are a group of scarab beetles, common in the UK, that includes species such as the garden chafer (Phyllopertha horticola). Their larvae, known as chafer grubs, feed on grass roots.

Are chafer beetles dangerous?

Chafer beetles are not dangerous to humans or pets

Do chafer beetles bite?

No, chafer beetles do not bite humans

Do chafer beetles fly?

Yes, adult chafer beetles are capable of flying and are often seen buzzing around during warm evenings in late spring and early summer.

How to get rid of chafer beetles?

Use nematodes, such as Heterorhabditis bacteriophora, to target the larvae.
Keep lawns healthy with proper watering and aeration to discourage egg-laying.
Rake and remove moss from the lawn

How to get rid of chafer beetles in a lawn?

Apply nematodes in late summer when the larvae are active. Ensure the lawn is moist, as nematodes need moisture to move through the soil. Avoid chemical treatments unless absolutely necessary, as they can harm beneficial organisms.

What do chafer beetles eat?

Adult chafer beetles feed on leaves, flowers, and fruits while their larvae primarily eat grass roots, causing damage to lawns.

What do chafer beetles look like?

Adult chafer beetles are typically brown or metallic green, with a compact body shape. They measure around 10–15mm in length.

When do chafer beetles lay eggs?

Chafer beetles lay their eggs in late spring to early summer, typically in lawns or areas of loose soil.

Do chafer beetle traps work?

Chafer beetle traps can catch adult beetles but are not highly effective for large infestations. They are better used as part of an integrated pest management approach.

How to get rid of rose chafer beetle?

Rose chafer beetles are not usually harmful enough to require control. If needed, they can be removed by hand or deterred with netting over plants.

When do chafer beetles emerge?

Chafer beetles typically emerge as adults in late spring to early summer, often after warm weather or rain.