Myrmecocystus mexicanus Lair Formicarium Bundle (8-12 workers, Queen) custom formicaria so please keep that in

so please keep that in mind as you wait on your ants to be mailed

Even the smaller species of these are large "medium-sized" ants

The Pioneer XL is 40% larger than the standard Pioneer

It also includes:

Myrmecocystus mexicanus Lair Formicarium Bundle (8-12 workers, Queen) custom formicaria so please keep that inMyrmecocystus mexicanus can be sent to (permits included with shipment): Arizona, California, Colorado, New Mexico, Nevada, Texas, Utah, Idaho. ***Each Colony is shipped with a permit and a care sheet*** General information Myrmecocystus mexicanus inhabits a wide range of habitats in their native range. They are most active in the nighttime and are scavengers of various insects. They are often seen visiting flowers and also tend aphids for their