r/whatsthisbug•4 yr. agoNorbert-89What's that? Friendly or enemy?ID RequestPosted Aug 11, 2022, 5:18 AM UTC22ShareSave
If you own an ancient library, definitely enemy. It's a book louse. They mostly eat mold and fungus, but don't mess with humans.
That's the funny... I didn't have any book and the humidity is 55%