RHS worst pest is box tree caterpillar

The list is based on the enquiries about pests received by the Royal Horticultural Society (RHS) entomology team in 2015, of which the box tree caterpillar accounted for 433 (17 per cent).

You must sign in to continue.

You can register for a 14 day free trial subscription, or Subscribe Now for full access. View subscription options.

Please enter your details

Forgotten Password?

Having trouble signing in?

Contact Customer Support at

or call 020 8267 8121, or refer to our answers to frequently asked questions.

Subscribe for full access

Direct Debit

Most people subscribe by direct debit.


Credit Card

Subscribe by credit card


or Register for a 14 day free trial subscription

Already subscribed but don't have a password?

Activate your web account here