Tag: Rover Ants

Bug of the Week: Rover Ants

Because I have an entire blog devoted to ants, I don’t talk about them here often.

Let’s make an exception for the tiny dark rover ants visiting brittlebush flowers this week.

The ants are collecting nectar, like other insects do when they visit plants.

I keep an eye on these little guys because they aren’t from Arizona. They are native to South America, particularly Argentina and Paraguay. They were first seen in the U.S. around 1978.

We often find dark rover ant nests in flowerpots, which mean it is easy to move them from place to place accidentally.

I sometimes discover rover ants at the tops of tall plants. I wonder how they manage to find their way to such heights. Imagine what the world must look like to something this small.




Bug of the Week: Insect Partners

We have some new insects on the elephant food plant in the back yard.

They are oval and covered with white wax. Do you know what they are?

These rover ants know what the white insects are:  a source of honeydew. The ants will defend the white insects and move them around to better sources of food.

The white insects are mealybugs. The two under the ant have just molted, shedding their waxy coats. Can you see the shed exoskeletons towards the lower end of the pile (they are open at the back)? Seems likely the mealybugs are most vulnerable right after molting.

Have you ever watched ants tending mealybugs?