A swarm of Western Thatching ants, also called Formica ants, Formica obscuripes, in their nest in a rotting aspen stump in central Oregon.

- Image ID: 2BN4RPF
A swarm of Western Thatching ants, also called Formica ants,  Formica obscuripes, in their nest in a rotting aspen stump in central Oregon. Stock Photo
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A swarm of Western Thatching ants, also called Formica ants, Formica obscuripes, in their nest in a rotting aspen stump in central Oregon.
Buddy Mays / Alamy Stock Photo
Image ID: 2BN4RPF