What a fantastic read, Bugsy you have a superb Colony right there

. This article persuaded me to purchase a small colony of Camponotus
ligniperdus 1 queen and 10 workers.
I made the mistake of putting a small dead tree stump inside my formicarium. Now my ants have nested inside the dead wood and are quite happy to not come out(annoying since I built them a beautiful Groutlite nest).
Iv decided to allow them to remain in their natural home of choice but am worried about how I'm going to moisten the wooden nest. I put a wet sponge behind the stump in the hope of good moisture levels and have added an aquarium pump to combat possible mould .
Just wondering whether you guys think I should leave them in their own home or add a separate nest to their arena and allow the tree stump to dry out.