Trachymyrmex septentrionalis workers carrying sand excavated from deep in the nest.

Archbold Biological Station, Florida, USA
Trachymyrmex septentrionalis workers carrying sand excavated from deep in the nest.

Archbold Biological Station, Florida, USA
Wham!  A parasitic phorid fly (Pseudacteon) plants her ovipositor between the abdominal sclerites of a Linepithema oblongum worker ant to lay her egg.  The oviposition takes less than a second. The hapless ant will later be consumed alive by the developing fly larva.

Termas de Reyes, Jujuy, Argentina
Trachymyrmex septentrionalis fungus-growing ant, in motion.

Archbold Biological Station, Florida, USA
Trachymyrmex septentrionalis

Archbold Biological Station, Florida, USA
Trachymyrmex septentrionalis workers carrying sand excavated from deep in the nest.

Archbold Biological Station, Florida, USA
Wham!  A parasitic phorid fly (Pseudacteon) plants her ovipositor between the abdominal sclerites of a Linepithema oblongum worker ant to lay her egg.  The oviposition takes less than a second. The hapless ant will later be consumed alive by the developing fly larva.

Termas de Reyes, Jujuy, Argentina
Trachymyrmex septentrionalis workers carrying sand excavated from deep in the nest.

Archbold Biological Station, Florida, USA
Trachymyrmex septentrionalis workers carrying sand excavated from deep in the nest.

Archbold Biological Station, Florida, USA
Trachymyrmex septentrionalis workers carrying sand excavated from deep in the nest.

Archbold Biological Station, Florida, USA
See photo in original gallery.
all images and text © Alex Wild 2001-2013