Please fill in as many sections as possible. * Box tree moth is only ever found on box plants. If you have found caterpillars on an other plant they will be another species.
* If the host plant is not box Buxus you have a different species, for example on cabbage and other brassicas it could be large cabbage white. For advice on cabbage caterpillars see our Gardening Advice profile. Please note - we WILL NOT share your personal details (address and so on) with any third party.