
"Which Willow?" I hear you ask. "A hybrid", I reply.
A regularly updated pictorial narrative of the wildlife around Raphoe, Co. Donegal, Ireland.

Not much of a shot, but the camera always has the macro lens attached and the fox was 100m away.

Note the 'pom pom' effect on the branches.
The damage appears to be caused by clusters of needles dying and dropping off:
I was told that the effect can be caused by the European Pine Sawfly, but my research shows that this sawfly damages needles in a completely different way: by eating them down to the branch. So it looks like I'm back to square one on this one.
The Honey Fungus, Armillaria mellea:
The strange pearlescent cap to this Tricholoma makes me think it's Tricholoma columbetta:
The minute (5 micron) spores check ok: