I just was watching this video and Sheri mentions the peduncle borer will bore into twigs/branch tips.
About 9:20 minute mark.
So that could be your issue.
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I think this is the critter: Black Twig Borer | NC State Extension Publications
It’s not a peduncle borer. I’m now noticing dead twigs on many tree species in my area. Some trees are really covered up with it. I’ve snapped off a few oak twigs and observed the beetle inside.
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Good research! Yikes. A type of ambrosia beetle (I didn’t know this applied to multiple species).
I think that is it. That article was written in 2003, surprised I have not had problems before this.
I was at the park yesterday and noticed this Paw paw tree had something knock it out pretty good. I did a scratch test and it is still green, though. The trunk is a branch of the previous trunk and I am wondering if it had the same issue before it was removed.
Looks like hickory maybe
Oh, that is good news. There are paw paw trees all over this park (despite my misidentification here I had a grocery bag full in September) and I thought that was what that leaf shape, the gray bark and being next to the water all added up to. So, is the little green, healthy plant next to it a paw paw seedling?
This is in St. Louis, Zone 6b. This park has the typical midwestern assortment of trees, with several dozen paw paw trees, about a dozen massive American Persimmon trees that are apparently all male except for like three of them, Bradford pears, Amur Honeysuckle all over the place. I also found a couple northern spicebush and about six Autumn olives. I got me a half-grocery bag full of those puppies.
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Pig nut hickory