unidentified caterpillars or larvae [Buff tip moth?]

unidentified caterpillars or larvae [Buff tip moth?]

Observation - unidentified caterpillars or larvae [Buff tip moth?] - UK and Ireland. Description: unidentified caterpillars or larvae, black, yellow, hairy. Feeding on what i think is smooth leaved

unidentified caterpillars or larvae, black, yellow, hairy. Feeding on what i think is smooth leaved elm. border of woodland/scrub.