Crematogaster sp. Kibale Forest, Uganda

Sonoran desert cacti are frequently covered in ants. Cacti provide ants with nectar- a ready food supply in a harsh environment- in exchange for protection from herbivorous insects. Here, two Crematogaster opuntiae acrobat ants exchange nectar they have gathered from a chain-link cholla. Tucson, Arizona, USA

Inside a carton shed, a Crematogaster acrobat ant gathers honeydew from scale insects. Kibale forest, Uganda