Paratrechina longicornis - black crazy ant.  Along a sun-soaked beach on a Panamanian island, ants drink from nectaries on the underside of a leaf.  Many plants attract ants with nectaries, and the ants in return help remove the plant's herbivorous pests.

Isla Contadora, Panama
Camponotus floridanus is primarily a night-active species.

Archbold Biological Station, Florida
On the underside of a sun-soaked leaf, Aphaenogaster tennesseensis tending to Entylia sp. treehoppers.  The treehoppers secrete sweet honeydew for the ants in exchange for protections from parasites and predators.

Lake Glendale, Illinois, USA
On the underside of a sun-soaked leaf, Aphaenogaster tennesseensis tending to Entylia sp. treehoppers.  The treehoppers secrete sweet honeydew for the ants in exchange for protections from parasites and predators.

Lake Glendale, Illinois, USA
Aphaenogaster tennesseensis tending to Entylia sp. treehoppers.  The treehoppers secrete sweet honeydew for the ants in exchange for protections from parasites and predators.

Lake Glendale, Illinois, USA
Aphaenogaster tennesseensis tending to Entylia sp. treehoppers.  The spiky-looking bugs are the immature stages of the larger shield-shaped insects.

Lake Glendale, Illinois, USA
Paratrechina longicornis - black crazy ant.  Along a sun-soaked beach on a Panamanian island, ants drink from nectaries on the underside of a leaf.  Many plants attract ants with nectaries, and the ants in return help remove the plant's herbivorous pests.

Isla Contadora, Panama
Army ant males are most commonly seen at night.   They sometimes end up at lights as they disperse on wing from their natal colonies.  This army ant, Neivamyrmex swainsonii, is a broadly-distributed species found from the southern United States to northern Argentina.

Peña Blanca Lake, Arizona, USA
Army ant males are most commonly seen at night.   They sometimes end up at lights as they disperse on wing from their natal colonies.  This army ant, Neivamyrmex swainsonii, is a broadly-distributed species found from the southern United States to northern Argentina.

Peña Blanca Lake, Arizona, USA
Paratrechina longicornis - black crazy ant. Along a sun-soaked beach on a Panamanian island, ants drink from nectaries on the underside of a leaf. Many plants attract ants with nectaries, and the ants in return help remove the plant's herbivorous pests.

Isla Contadora, Panama
Paratrechina longicornis - black crazy ant.  Along a sun-soaked beach on a Panamanian island, ants drink from nectaries on the underside of a leaf.  Many plants attract ants with nectaries, and the ants in return help remove the plant's herbivorous pests.

Isla Contadora, Panama
Paratrechina longicornis - black crazy ant. Along a sun-soaked beach on a Panamanian island, ants drink from nectaries on the underside of a leaf. Many plants attract ants with nectaries, and the ants in return help remove the plant's herbivorous pests.

Isla Contadora, Panama
See photo in original gallery.
all images and text © Alex Wild 2001-2013