The Bumelia Borer is a green longhorn beetle with red legs, and looks a lot like this one. It’s apparently native to America.

I remembered the name of a similarly shaped beetle (timberman beetle), and found the family it belongs to; longhorn beetles. Googled “green longhorn beetle with red legs”.

https://play.google.com/store/apps/details?id=org.inaturalist.android fun times outdoors

It is called a Bumelia Borer