Some of the more distinctive caterpillars of butterflies are shown in the gallery below, For caterpillars of moths see BRITISH MOTH CATERPILLAR GALLERIES
For further information see caterpillar identification guide, guide to commonly seen hairy caterpillars or scroll down through latest sightings and you may find that others have been reporting the same caterpillar species.
Butterfly caterpillars – Pieridae – whites and yellows
Butterfly caterpillars – Lycaenidae – Hairstreaks, coppers, blues, metalmarks
Butterfly caterpillars – Nympalidae – fritillaries and browns
BRITISH MOTH CATERPILLAR GALLERIES