Originally Posted by
Catsmine
That's why I'm on the site, emop. At least for now. Larder beetles normally like to feed on animal products. A deep crack and crevice vacuuming might get up their food source, such as crumbs of skin from something a long time ago or cheese powder from popcorn or chips or even a piece of jerky. Otherwise, look around to see if your walls connect to anyplace suspicious, like a bathroom or a pantry.
Also, a strong aromatic detergent such as 409 or Chlorox cleanser used to wash the baseboards and walls in your room wouldn't hurt.