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White Barnacle Spots on Weeping Elm: Need Photo for Accurate ID

Could Be Scale or Fungus

The white, barnacle-like spots on the underside of branches that attract flies and coincide with blackened limbs need a visual diagnosis. They could be scale insects (which exude honeydew) or a fungal fruiting body.

How to Get an Answer

Send a clear, close-up photo.
Or snip an affected twig and take it to your local nursery.

Correct identification is essential—treatments for insects and fungi are completely different.

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