Pillars of clay and sand built by the black garden ant Lasius niger Pillars of clay and sand built by the black garden ant Lasius niger Pillars of clay and sand built by the black garden ant Lasius niger Pillars of clay and sand built by the black garden ant Lasius niger
Lasius niger M16
contributed by CBI, CRCA, CNRS Toulouse
Description

The black garden ant Lasius niger usually nests underground in galleries dug in meadows or under stones. Often, however, the same ants also build small epigeous (above ground) mounds on top of their underground nest.

The images and videos shown here are from multiple laboratory reared colonies that have been offered a thin layer of sand and clay as a building material. The layer is too thin to allow digging below-ground galleries, and so these conditions stimulate the construction of pillars and of a roof which could be seen as the first stages of building the epigeous mound.

 

Technical data sheet
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Biological species:
Lasius niger
Type:
Pillars
Continent:
Europe
Download:
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