Food items of Hume's Warbler in Lowestoft

During the morning of 23rd November 2011, I was watching a sometimes elusive Hume's Warbler Phylloscopus humei feeding in Sycamore trees Acer pseudoplatanus in Lowestoft, Suffolk. When often the bird moved off and was unseen, my attention was drawn to the food items it was eating. By gently tapping a Sycamore's branches, A. pseudoplatanus c. 10 m from the birds last known position I found up to 20 W...