It’s taken me a week to find the name of this bug. And, lo! it’s so descriptive:
- Swollen-thighed Beetle (Oedemera nobilis)
Apparently, this is the male of the species—the female sports more slender, typically beetle, thighs.
I don’t know what the smaller bug in the photo might be.
Photo taken 9th July 2017, on banks of Breydon Water, Norfolk, UK.