Choose a Symptom
Holes in stems
Dense clusters of twigs
Bumpy areas on bark
Bark discolored, cracked or blistered
Small cottony masses on twigs and branches
Small piles of sawdust on stem
Dead or dying branches
Bark, tips or small branches chewed or removed
Spots or blotches on leaves
Leaves chewed or with holes
Leaves turn brown to black and wilted
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Last modified on June 19, 2007