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Ant of the Week: Dorymyrmex bicolor

Dorymyrmex bicolor ants are common in Arizona, especially in open areas. In a previous post, I wrote about how to identify them.

A few weeks ago I visited an agricultural research station and found almost a monoculture of Dorymyrmex.

The first thing you notice about Dorymyrmex bicolor colonies is their neat circular mounds. (Most of these were [...]

Brittlebush Ants

Dorymyrmex on brittlebush

Dorymyrmex bicolor

This little ant is fairly easy to identify.

First, look for the volcano-cone-shaped nest.

If you spot some active ants with reddish-brown heads and alitrunks, and black gasters, take a closer look.

If there’s a cone-shaped bump on the posterior dorsal surface of the alitrunk, then you’ve found Dorymyrmex bicolor.

Dale Ward has some close-up photos to show the [...]