European dewberry, Rubus caesius L.

The larvae probably feed on Rubus idaeus and Rubus caesius.

The European dewberry, Rubus caesius, grows more upright like other brambles, but is frequently restricted to coastal communities, especially sand dune systems.

The tangled hedges forming large brambles (Rubus caesius) and blackberry (Rubus ulmifolius)....

The larvae feed on Agrimonia, Fragaria, Filipendula, Geum urbanum, Potentilla anserina, Rubus caesius, Rubus fruticosus and Rubus idaeus.