Box Tree Caterpillar Control

Inspection-led control to protect box hedges and topiary

Box tree caterpillar inspection & treatment – price POA after inspection

Box tree caterpillars are the larvae of the box tree moth and are one of the most destructive pests of box (Buxus) plants in the UK. These caterpillars can rapidly strip foliage and web together leaves, causing severe defoliation and decline if not addressed promptly. At Pest Shield, we begin with a professional inspection to confirm the pest, assess the level of infestation and recommend an effective and tailored control programme.

We provide box tree caterpillar services across Newcastle, Sunderland, Durham and the wider North East.

Why box tree caterpillars are a serious garden pest

Box tree caterpillars feed voraciously on box leaves and can completely defoliate plants within a short period. Once established in a hedge or specimen plant, multiple generations can occur throughout the growing season, leading to repeated damage.

Without effective control, severe infestations can result in weakened plants, unsightly hedges and, in extreme cases, plant loss.

Signs of box tree caterpillar activity

Common indicators include:

• Defoliation with leaves reduced to veins

• Dense webbing woven among foliage

• Caterpillars visible within the plant structure

• Frass (caterpillar droppings) around plants

• Rapid decline in plant vigour and leaf cover

These signs are often most obvious from spring through to autumn as caterpillars feed and grow.

Our inspection-led approach

All box tree caterpillar work starts with a detailed inspection to confirm the pest and assess the extent of activity:

Initial plant assessment
We confirm box tree caterpillar presence and rule out other causes of defoliation such as drought, winter scorch or disease.

Infestation mapping
The level and distribution of damage are recorded across affected plants.

Timing considerations
We assess where the site is in the season to target treatments when caterpillars are most vulnerable.

Clear recommendations
You receive practical next steps, including treatment options and ongoing monitoring advice.

Digital reporting
A detailed electronic report is provided, including photographs, findings and tailored recommendations.

Box tree caterpillar treatment options

Depending on what we find, treatment may include:

• Targeted application of biological insecticides to actively feeding caterpillars

• Focused treatments timed for peak effectiveness

• Monitoring systems to help detect re-infestation and time return visits

• Advice on plant health and cultural improvements to support recovery

Biological options, such as products based on Bacillus thuringiensis, are often preferred as they are targeted at caterpillar feeding and have minimal impact on non-target insects when used appropriately.

Multiple treatments or follow-up visits may be required to break the life cycle and protect plants through successive generations.

Aftercare and plant recovery

Good aftercare improves plant resilience and recovery. We advise on:

• Proper watering and feeding to support new growth

• Hygiene measures such as removal and safe disposal of heavily infested clippings

• Monitoring for early signs of renewed activity

Proper aftercare ensures the best outcome and reduces the likelihood of repeat problems.

Digital reporting & transparency

Every box tree caterpillar visit includes clear electronic reporting featuring:

• Inspection photographs

• Details of damage and distribution

• Treatment records where applied

• Practical next-step recommendations

This provides a transparent record for homeowners, gardeners and landscape teams.

Pricing

Box tree caterpillar control is priced on a POA basis following inspection.

Costs vary depending on:

• Extent of infestation

• Number and size of plants affected

• Access requirements

• Treatment timing and follow-up needs

A site inspection ensures pricing is appropriate before any work is agreed.

Areas we cover

Box tree caterpillar control services are available across:

• Newcastle upon Tyne

• Sunderland

• Durham

• Gateshead

• Surrounding areas of the North East

Book Box Tree Caterpillar Control

If your box hedges or topiary are showing signs of caterpillar damage and webbing, early inspection helps protect plant health and reduce long-term decline.

Call us on 0191 7166647

Contact us online to request an inspection

Pest Shield – Inspection-Led Box Tree Caterpillar Control with Clear Digital Reporting Across the North East.