Käyttäjän profjimlalarva tunnistukset

Maybe a stratiomyid?

iNat thinks its Hyposidra.
Second image is a two image stack, so some details may be messy.

Found in rotting log

Inside a Tetramorium immigrans ant nest under a flat paving rock but in a sparser part, probably just passing through?

A strange dip larva, found in soil under a log. I threw it on some wood for better pictures - it was not found there.