A little bigger than a ladybug beetle, the brightly iridescent dogbane beetle has red, green, orange and blue tones:
They don’t seem to stray far from the dogbane plant they feed on. They are slow moving, and get a chemical protection from the dogbane plant, I believe a chemical similar to the one that protects monarchs. I’ve only seen one this year in this location. This spot is always an adventure because I have to maneuver around poison ivy to get a photograph.