A leaf-cutter ant (Atta sp.) uses her razor-sharp mandibles to cut through a leaf in Panama. A recent study has shown that as leaf-cutter workers age and their mandibles dull, they gradually switch to leaf-carrying tasks to maximize their usefulness to the colony.
Orchid bee, Euglossa sp., from Panama.
This lovely ant from Panama (Ectatomma sp.) has a unique gnarled appearance, as if carved from wood.
