Atrium (Black 4152) custom formicaria NEW FEATURE: Vermiculite Interior -

NEW FEATURE:  Vermiculite Interior - Naturalistic in feel and look

one for the nest to connect to other formicaria nest areas or foraging areas

Premium Woodland Decor (+5)

This formicarium uses higher quality materials (cast acrylic boxes with magnetic lids)

Color-per photo

Atrium (Black 4152) custom formicaria NEW FEATURE: Vermiculite Interior -See More Information About the Atrium at this link. General Information: *****Due to the size of the open chambers, this formicarium is considered a small to medium sized formicarium and can hold an estimated 1,000 to 2,000 medium sized ants, larger species such as Camponotus, Formica and Myrmecocystus up to 1,000 (again, approximately). While it is quite possible some small species (Lasius spp.) will do quite well in the Atrium, estimating numbers