The Q&A Archives: black scale

Question: I have tiny pin head black scale multiplying on
the front of my home on the siding. what is it,
why on the siding, and how do i rid and control it.

Answer: Based on your description, unfortunately I think it may be artillery fungus. Here is more information about it, including photos, from Cornell University. You may need to cut and paste the complete url to make it work correctly.

I hope I am wrong.

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