I have a colony of Camponotus
herculeanus and I was wondering if it's important for that their arena/basin has moist soil? Mine gets dry fast because I put the wrong granulation in the bottom, and it's a fuzz to keep it moist because my lid isn't quite done yet, so it's hald-way covered with glas, and the other half with a towel.
And yes, I do have escapees now and then.

But I will ahve my lid on Monday.
Anyway; they have water and they eat plentily. Gave them 2 mealworms the otehr day that I had cut in half,
they took 3 of the halves into the test-tube, and 1 half they left outside, guarded it for a day and a night but now they've abandoned it, I guess it dried up or something.
I'm not sure how many workers I have right now, because I can't see into the nest, but as soon as my lid's done they'll have access to a y-tong nest that I've made them.
But my question is; is my basin too dry?