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Photo#825609
French Joe volcano - Myrmecocystus

French Joe volcano - Myrmecocystus
French Joe Canyon, south of Benson, Cochise County, Arizona, USA
July 29, 2013
We saw these perfectly symmetric miniature volcano mounds out in the desert. Didn't see the ants. Feel free to frass. gathering_2013

Moved
These are mainly nocturnal/crepuscular, which is why you didn't see the ants. Without an image of the animal, no ID possible, but the picture of this characteristic crater of excavated soil made by various pecies in the genus is very typical, so worth keeping, I think.

Our recollection is
12 to 16 inches in diameter.

Moved
Moved from ID Request.
Roughly how big was this? Might be identifiable to someone who knows the area.

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