Myrmecocystus mexicanus. Honeypot ants have an unusual food storage system.  Some members of each colony act as living receptacles known as "repletes", these ants become engorged with food and hang from the ceilings of chambers deep underground.  

Captive colony at the California Academy of Sciences
Myrmecocystus mexicanus. Honeypot ants have an unusual food storage system.  Some members of each colony act as living receptacles known as "repletes", these ants become engorged with food and hang from the ceilings of chambers deep underground.  

Captive colony at the California Academy of Sciences
Deep inside a nest of Prenolepis imparis, young worker ants are swollen with liquid food.  These replete ants act as living storage containers and allow the colonies to persist through dearth periods.

Huachuca Mountains, Arizona, USA
Myrmecocystus mexicanus. Honeypot ants have an unusual food storage system. Some members of each colony act as living receptacles known as "repletes", these ants become engorged with food and hang from the ceilings of chambers deep underground.

Captive colony at the California Academy of Sciences
Myrmecocystus mexicanus. Honeypot ants have an unusual food storage system.  Some members of each colony act as living receptacles known as "repletes", these ants become engorged with food and hang from the ceilings of chambers deep underground.  

Captive colony at the California Academy of Sciences
Myrmecocystus mexicanus. Honeypot ants have an unusual food storage system. Some members of each colony act as living receptacles known as "repletes", these ants become engorged with food and hang from the ceilings of chambers deep underground.

Captive colony at the California Academy of Sciences
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all images and text © Alex Wild 2001-2013