No interactions present.
The possibility did cross my mind, especially as the two caterpillars (+green one in the previous posting) were just 15-20M from each other.
I did make comparisons with a number of photos and they seemed to correspond more with the details on Small Angle Shades. However, due to the fact that I still remained uncertain I chose the "might be this option" in the Confidence section. I shall amend the details if the iSpot community supports this identification.
Lat/Lng: 50.4, -4.2
OS grid ref: SX5058