Casita Type I (Red 117) custom formicaria 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

Small/Tiny Species (+5)

Tiny/Small species sized tunnels/chambers (+10)

Light Blue Exterior

4 levels per side***(please read below about ordering for tiny/small ants)

Casita Type I (Red 117) custom formicaria I would recommend a medium***Casita Type I*** ***This formicarium is the exact one shown in the photos on this product page. Once purchased this product will ship in 2 3 business days.*** Please visit this link for full details on the Casita formicarium. Features: Type I Material (Ytong) Lime Green Exterior White Interior Color Medium Large species Nest Block Size 4x4x4 inches (100mm x 100mm x 100mm) Foraging Area Size 4x4x4 inches (100mm x 100mm x 100mm) 2 Water Towers 2