Doug Wechsler / Cecropia trees (Cecropia sp) subtropical cloud forest, Tapichalaca Reserve, Ecuador.

Doug Wechsler / Cecropia trunk (Cecropia sp) Province El Oro, Buenaventura Biological Reserve, Ecuador

Cyril Ruoso / Azteca ants (Azteca) which live in association with the Cecropia tree, the tree has an empty trunk where the ants can nest and provides them with nectar. Barro Colorado Island, Gatun Lake, Panama Can...

Murray Cooper / Speckled Chachalaca (Ortalis guttata) in Cecropia (Cecropia sp) tree, Ecuador

Christian Ziegler / Cecropia (Cecropia sp) stilt roots, Barro Colorado Island, Panama

Mark Moffett / Ant (Azteca sp) patrol at colony entrance of their host (Cecropia sp) tree, Costa Rica

Mark Moffett / Ant (Azteca sp) patrol leaves to protect their host tree (Cecropia sp), Manu, Peru

Mark Moffett / Ant (Azteca sp) with food item plucked from its host tree (Cecropia sp), Manu, Peru

Mark Moffett / Ant (Azteca sp) patrol on their host tree (Cecropia sp) killing intruder ant species, Costa Rica

Mark Moffett / Meadow Froghopper (Philaenus spumarius) young queen entering hole she's chiseled inside Cecropia tree, carrying food grown by the tree, Peru

Mark Moffett / Ant (Pachycondyla sp) queen collecting white food bodies grown for her on host tree (Cecropia sp), Manu, Peru

Mark Moffett / Ant (Pachycondyla sp) queen digging entry into (Cecropia sp) sapling in search of place to start new colony