Brown-tail caterpillars?

Brown-tail caterpillars?

Observation - Brown-tail caterpillars?. Description: Tent-forming caterpillars on bird cherry Prunus padus, I think. THe last picture is a pupa found in the same location on 19 June, some weeks after the initial observation

Tent-forming caterpillars on bird cherry Prunus padus, I think. THe last picture is a pupa found in the same location on 19 June, some weeks after the initial observation