Tanbark Borer Phymatodes testaceus

This species came to light in my garden three nights running, with four different individuals on the last night. The paler ones at least bore a strong, if superficial, resemblence to Cantharidae.

Tanbark Borer Phymatodes testaceus, North Elmham (Norfolk, UK), 23rd June 2023

Tanbark Borer Phymatodes testaceus, North Elmham (Norfolk, UK), 24th June 2023

In this set of four photos the second one appears the largest but that's just because the position of its antennae and legs meant I could make a closer crop - it was in fact the smallest of the four.

4x Tanbark Borers Phymatodes testaceus, North Elmham (Norfolk, UK), 25th June 2023