Darkscreen for ants is exactly what it sounds like! This helps keep bright lights from disturbing ants, aids in their ability to stay calm in our habitats. This is thick, clear red paper. Some species will benefit from light interference more than others such as Formica sp., Crematogaster sp., etc.
Tip: Use tiny magnets to attach to the existing magnets on the lids for the Nucleus and Inception Formicaria.