Can anyone ID this little fella?

Can anyone ID this little fella?

Observation - Can anyone ID this little fella? - UK and Ireland. Description: Saw this little fella crawling on my desk when I returned from lunch. About 6-8mm long, most crawling but with short periods of flight - body seemed to have some articulation half way down where the wing case was.

Saw this little fella crawling on my desk when I returned from lunch. About 6-8mm long, most crawling but with short periods of flight - body seemed to have some articulation half way down where the wing case was.