Odontomachus assiniensis. The odd, alien-shaped head of a trap-jaw ant serves to house the set of muscles and latches that operate the ant's mandibular trap. St. Lucia, KZN, South Africa
Odontomachus chelifer is the largest trap-jaw ant species in South America. Aragua, Venezuela
Odontomachus chelifer. Ants from different colonies don't normally tolerate each other. Here, a trap-jaw ant dispatches an intruder from a neighboring nest. Aragua, Venezuela
