2-3cm long caterpillar feeding on Verbascum leaves
No interactions present.
I would agree it was Mullein moth but I have a different scientific name in my Collins book Shargacullia verbasci so which is right.
I think your name for the Mullein is correct Sheila. It's certainly what UK moths uses.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
Lat/Lng: 50.7298, -3.4986
OS grid ref: SX943933