Labidus praedator. Army ant workers vary considerably in size. Gamboa, Panama
Army ant colonies typically contain workers of many sizes, each specialized for a different task. Here a Nomamyrmex esenbeckii worker stands guard over a passing column. Gamboa, Panama
Nomamyrmex esenbeckii, carrying a larva. The bright red color indicates a relatively young age for this worker. Gamboa, Panama. filename: Nomamyrmex1