The difference between Acro and Atta nest entrances
Posted: Tue Dec 29, 2015 4:09 pm
They are very different. Atta have a sophisticated way to divert water from the nest, building a lovely cone structure which disappears as they mature. Acromyrmex have a much more primitive arrangement, relying on the position of the fungus garden in relation to the entrance to avoid floods.
Atta cone
Acromyrmex octospinosus entrance.
Atta cone
Acromyrmex octospinosus entrance.