Atrium (Black 4152) Founding formicaria Small ant species such as

Small ant species such as Lasius spp

and some Camponotus species

The 3/4 partition in the center essentially divides the chamber in two and aids in keeping the colony calmer during maintenance

1/2" connection port in foraging area

Optional foraging area styles

Atrium (Black 4152) Founding formicaria Small ant species such asSee 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