I found this guy in my rubber boot so the background is not indicative. Host id rubber boot.
13 Larvae. 10 mm. Found on Populus tremula.
My previous registration has disappeared?
I apologize for the image quality in the previous registration.
Thanks for the help to Kjeld Brem and Henri Savina🤗
Fundet på stykke ved, på resterne af et sankthans bål