The engineering and defensive skills of red wood ants help the endangered species transcend its small stature in the natural world.

A few dead giveaways make it easy to distinguish ... can effectively kill them and divert their trail. You can also spray the ants you see and spray behind the wall to kill the ones you don ...

Spraying low-toxicity gel bait via helicopter Tuesday marked a milestone for the Maui Invasive Species Committee and Hilo-based Hawaii Ant Lab, two key groups fighting the little fire ant.