Found this little guy scurrying around my millipede enclosure

[LordAnon]

Not sure what he is, but he probably rode in on the millepede mix I bought, either from an egg or larvae I'd imagine. Actually found him a while ago, but he's so fast at digging, he kept getting away. First captured and separated him. Any ideas? He's really nondescript so it's not easy to use insect identifiers.

 

[LordAnon]

Bump. Still don't know what he is .

 

[Jaknat]

Please can you post or pm me a picture of its head so i can try and identify it better please?