By Robcaz123
United Kingdom 
my acer as a lot of holes in leafs then it turns to like a grey web then the leafs drop off
21 Aug, 2014
By Robcaz123
United Kingdom
my acer as a lot of holes in leafs then it turns to like a grey web then the leafs drop off
21 Aug, 2014
Most likely a moth caterpillar infestation has been responsible - sometimes you can see webbing on the branches or at the base of the leaves - that might be what the grey webbing you describe is
21 Aug, 2014