video: The animation shows the changes in form as the trap-jaw mechanism becomes more divergent from the ancestral form. The jaws (yellow) develop small projections that can latch onto the labrum ...

The speedy mandibles of Strumigenys ants developed repeatedly throughout the world, explaining how evolution creates new abilities to help a species survive. Ants gather on a dewy peony bud. (Image ...

March 2 (UPI) --How did the trap-jaw ant evolve such a complex mechanism for snatching its prey? Today, the mandibles of trap-jaw ants take many forms, suggesting a tremendous level of anatomical ...

When trap-jaw ants need to get out quick, they use their heads, not their legs to escape. This large species of Costa Rican ant smashes its jaw into the ground, causing the ant to catapult up and away ...