Odontomachus erythrocephalus

Icononzo, Tolima, Colombia
Orectognathus versicolor.  The predatory mandibles of trap-jaw ants must also be used for delicate tasks around the nest.  Here, a worker transports a larva.

Brisbane, Queensland, Australia
Orectognathus versicolor is unusual for a trap-jaw ant in having a major worker caste (the large ant at center).  The function of majors in this species remains unknown; other Orectognathus lack majors.

Brisbane, Queensland, Australia
Orectognathus versicolor.  The predatory mandibles of trap-jaw ants must also be used for delicate tasks around the nest.  Here, a worker transports a larva.

Brisbane, Queensland, Australia
Orectognathus versicolor

Brisbane, Queensland, Australia
Orectognathus versicolor is unusual for a trap-jaw ant in having a major worker caste (the large ant at center).  The function of majors in this species remains unknown; other Orectognathus lack majors.

Brisbane, Queensland, Australia
Orectognathus versicolor.  The predatory mandibles of trap-jaw ants must also be used for delicate tasks around the nest.  Here, a worker transports a larva.

Brisbane, Queensland, Australia
Orectognathus versicolor.  The predatory mandibles of trap-jaw ants must also be used for delicate tasks around the nest.  Here, a worker transports a larva.

Brisbane, Queensland, Australia
Orectognathus versicolor is unusual for a trap-jaw ant in having a major worker caste (the large ant at center).  The function of majors in this species remains unknown; other Orectognathus lack majors.

Brisbane, Queensland, Australia
Orectognathus versicolor. The predatory mandibles of trap-jaw ants must also be used for delicate tasks around the nest. Here, a worker transports a larva.

Brisbane, Queensland, Australia
Orectognathus versicolor.  The predatory mandibles of trap-jaw ants must also be used for delicate tasks around the nest.  Here, a worker transports a larva.

Brisbane, Queensland, Australia
Orectognathus versicolor. The predatory mandibles of trap-jaw ants must also be used for delicate tasks around the nest. Here, a worker transports a larva.

Brisbane, Queensland, Australia
See photo in original gallery.
all images and text © Alex Wild 2001-2013