Depends on colony size for me.
Small colonies: Every 3 days
Medium: 2-3 days
Large/Mature: 1 day
Same for my camponotus(not 100% sure what sp.)
You should have them IDed here. You may be able to figure out their species, or PM some Virginia antkeepers about them.
Edited by TechAnt, August 28 2020 - 1:17 PM.
My Ants:
(x1) Campontous semitstaceus ~20 workers, 1 Queen
(x1) Camponotus vicinus ~10 workers, 1 Queen (all black variety)
(x1) Tetramorium immigrans ~100 workers, 1 Queen
(x1) Myrmercocystus mexicanus -1 Queen
(x2) Mymercocystus mimcus -1 Queen
(x1) Mymercocystus testaceus ~45 workers, 1 Queen