Hackberry Stains/Invasing bug species?

NickGann

New member
Got a call to come check out a metal roof.

Tried a few of the basic chems on it which made no real difference. The dude who owns the house says some tree specialist said the stains came from an invasive bug species, specific to hackberry trees...which I can find no other information on.

Anyhow, anyone else seen this? Know how to remove it? Etc?
 
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