The chap who cuts the grass says they're bag worms and if not treated effectively immediately, the tree will die.
What should I do? It really looks like something from a science experiment or a horror movie.
If it matters, I'm in America and the tree is an emerald green arborvitae tree which is a sort of cypress ( Thuja occidentalis).
Urgent advice much appreciated. This tree is one of 12 in a border. If I lose it, these creatures are sure to move to most/all of the other trees.
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Help! One of the trees in my garden is turning brown, and is 'twitching' with little worm filled cocoons. What treatment will save the tree?
10 replies
Earlybird · 04/07/2010 13:41
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