Trachymyrmex septentrionalis. Fungus-growing ants use a variety of substrates to nourish their cultivars, but caterpillar frass is one of the richest.

Archbold Biological Station, Florida, USA
Trachymyrmex septentrionalis. Fungus-growing ants use a variety of substrates to nourish their cultivars, but caterpillar frass is one of the richest.

Archbold Biological Station, Florida, USA
Trachymyrmex septentrionalis. Fungus-growing ants use a variety of substrates to nourish their cultivars, but caterpillar frass is one of the richest.

Archbold Biological Station, Florida, USA
Trachymyrmex septentrionalis. Fungus-growing ants use a variety of substrates to nourish their cultivars, but caterpillar frass is one of the richest.

Archbold Biological Station, Florida, USA
Trachymyrmex septentrionalis. Fungus-growing ants use a variety of substrates to nourish their cultivars, but caterpillar frass is one of the richest.

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