Mullein (Shargacucullia verbasci)

Mullein (Shargacucullia verbasci)

Observation - Mullein (Shargacucullia verbasci). Description: Seen in Corfu near top of Mt.Pantakrator. Mid sized pale caterpillars feeding on a leafy low plant. Anyone able to help with an ID of either please?

Seen in Corfu near top of Mt.Pantakrator. Mid sized pale caterpillars feeding on a leafy low plant. Anyone able to help with an ID of either please?