Quite possibly Epiblema sticticana but at least two other species can't be ruled out without dissection.
Did some survey work in Dawlish today - a few interesting bits and pieces picked up along the way...
Good to see Small Tortoiseshell caterpillars (on Stinging Nettle) - I've probably seen more adults this year than I have in a while, but nowhere near the numbers I used to see as a kid.
This Mullein Wave hasn't read the chapter on camouflage.
Sea Rocket (and below)