Friend or foe? Two Monomorium pharaonis worker ants briefly touch antennae along a pheromone trail.

Icononzo, Tolima, Colombia
Friend or foe? Two Monomorium pharaonis worker ants briefly touch antennae along a pheromone trail.

Icononzo, Tolima, Colombia
Major and minor workers of the turtle ant Cephalotes pusillus engage in trophallaxis food-sharing behavior.

Carrancas, Minas Gerais, Brazil
Major and minor workers of the turtle ant Cephalotes pusillus engage in trophallaxis food-sharing behavior.

Carrancas, Minas Gerais, Brazil
Major and minor workers of the turtle ant Cephalotes pusillus engage in trophallaxis food-sharing behavior.

Carrancas, Minas Gerais, Brazil
Major and minor workers of the turtle ant Cephalotes pusillus engage in trophallaxis food-sharing behavior.

Carrancas, Minas Gerais, Brazil
Camponotus (Colobopsis) impressus is a small arboreal ant whose minor workers (right) mimic Crematogaster acrobat ants. The major workers (left) serve as living doors, plugging nest entrances with an enlarged head.

Laboratory colony at the University of Central Florida, USA
Camponotus (Colobopsis) impressus is a small arboreal ant whose minor workers (right) mimic Crematogaster acrobat ants. The major workers (left) serve as living doors, plugging nest entrances with an enlarged head.

Laboratory colony at the University of Central Florida, USA
Tetramorium bicarinatum is an African myrmicine ant that has spread with commerce to warmer climates around the world.

Orlando, Florida, USA
Tetramorium bicarinatum is an African myrmicine ant that has spread with commerce to warmer climates around the world.

Orlando, Florida, USA
Tetramorium bicarinatum is an African myrmicine ant that has spread with commerce to warmer climates around the world.

Orlando, Florida, USA
Tetramorium bicarinatum is an African myrmicine ant that has spread with commerce to warmer climates around the world.

Orlando, Florida, USA
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all images and text © Alex Wild 2001-2013