Stronghold

The Acromyrmex octospinosus have made themselves a stronghold in the Tic-Tac box. They built a gate made of dried leaves and a moat out of old bread crumbs, which they are now using as a refuse pile:

Here is their forage box:

Next week I will add a new tupperware pot so they have another place to relocate to, should they wish to do so.