The AntsCanada Ant Forum's

For example, ants Atta sp. use the leaves for growing mushrooms

Hello! On first video queen it's not like messor, most likely this Crematogaster sp. (species don't know), On second video it's messor, but not the messor barbarus. Barbarus have rich red - dark red head, and queen min 16mm

try to put queens for hibernation (~2 months in fridge)