Fortress (Type III)(Terra 2113) raising queen ants I would recommend a medium

I would recommend a medium sized nest for them because the chambers and tunnels for the Pioneer are larger on average than  some of our other nests

Savanah Decor

Desert Mts

There are several layers of protection to help protect your queens and colonies during shipping

Reapply as needed or at minimum every 2-3 months clean with a warm microfiber towel and reapply

Fortress (Type III)(Terra 2113) raising queen ants I would recommend a mediumThis product is available for immediate (2 3 business days) shipping. See this fortress link for more information about this formicarium. Features: Type III material Decor and Color per photo Medium Large species sized chambers Museum Glass Optional 95% glare reduction (Shown in photo) Removable Vent optional What comes in the box? Fortress formicarium (as seen in photos), nestmate, mini liquid feeder, 2 stoppers, connection tube, feeding dish,