possible sawfly larva with two rows of dorsal projections,found on goat willow ,
No interactions present.
Looks more like a leaf beetle larva to me, but difficult to tell.
Tachinid Recording Scheme
TRS Facebook Page
Have followed your suggestion through Google and Willow Leaf Beetle Larva seems a fair match.
Ok - so add a revision to your observation with the new ID details so it can be "agreed" with, thats how I-spot is meant to work.
You also need to put on the scientific name,if you don't know it click on recommended button.It is best to make sure you have clicked on invertebrates first or it may come up with the plants name instead.
Lat/Lng: 55.9692, -2.4041
OS grid ref: NT748752