Damage to an Ailanthus altissima, Tree-of-Heaven. What’s causing it? The bark is a bit spongy, as if the hollow gaps seen in the ragged holes extends underneath the bark. Streaks also unusual. Because there are some Spotted Lanternfly eggs on this tree, I wondered if the the adults were responsible for this damage, but I can’t find anything similar on-line and at least one SLF-watcher reports not having seen similar. Any ideas? This is at Bush Terminal Park, Brooklyn, NY. There are some other Ailanthus around there, but none with such similiar damage.
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