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The intricate galleries in this underground nest of Lasius umbratus ants are made possible by a fungus that grows within a matrix of wood pulp sculpted by the ants. Vermillion River Observatory, Illinois, USA
The intricate galleries in this underground nest of Lasius umbratus are made possible by a fungus that grows within a matrix of wood pulp sculpted by the ants. Vermillion River Observatory, Illinois, USA
The intricate galleries in this underground nest of Lasius umbratus are made possible by a fungus that grows within a matrix of wood pulp sculpted by the ants. Vermillion River Observatory, Illinois, USA
The intricate galleries in this underground nest of Lasius umbratus ants are made possible by a fungus that grows within a matrix of wood pulp sculpted by the ants. Vermillion River Observatory, Illinois, USA
A basketball-sized carton nest of Crematogaster castanea tricolor in an Acacia tree. St. Lucia, KZN, South Africa
An arboreal carton nest of Crematogaster castanea tricolor. This nest is about the size of a softball. St. Lucia, KZN, South Africa
The carton nest of an Azteca trigona -complex species hangs from a tree branch. Gamboa, Panama
A basketball-sized carton nest of Crematogaster castanea tricolor in an Acacia tree. St. Lucia, KZN, South Africa
An arboreal carton nest of Crematogaster castanea tricolor. This nest is about the size of a softball. St. Lucia, KZN, South Africa
The intricate galleries in this underground nest of Lasius umbratus ants are made possible by a fungus that grows within a matrix of wood pulp sculpted by the ants.

Vermillion River Observatory, Illinois, USA
The intricate galleries in this underground nest of Lasius umbratus ants are made possible by a fungus that grows within a matrix of wood pulp sculpted by the ants. Vermillion River Observatory, Illinois, USA
The intricate galleries in this underground nest of Lasius umbratus ants are made possible by a fungus that grows within a matrix of wood pulp sculpted by the ants.

Vermillion River Observatory, Illinois, USA
See photo in original gallery.
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all images and text © Alex Wild 2001-2013