Almost flat green larva c8 to 10mm.
Found on Alder leaves
No interactions present.
Not much interest shown by iSpot Naturalists.
Yet this one is so obvious. One brief foray onto the Internet is very convincing. So little biological information available.
Now see mine! http://www.ispotnature.org/node/735106 and agree! PLEASE?
Lat/Lng: 53.522532, -0.622359
OS grid ref: SE914037