● North of Madera Canyon [Pima Co], AZ USA [el. 1218 m / 3998 ft] view location in Google Maps »
● 11/03/10 11:23AM sunny, air temp: 25°C / 78°F
[IMAGE 2 of 3] At one point, the flash-heads of my macro rig got too close to the P. imberbiculus worker I was trying to photograph. The frightened ant assumed the position you see here, and remained motionless for about 30 seconds before continuing on.
These ants are quite difficult to image. On both of the occasions during this trip (Nov. 2010) that I observed P. imberbiculus, there were no more than two workers on the surface at any given time. They move along at a modest but steady pace, and pause infrequently (and very briefly).
- Pogolumina - Pogonomyrmex Harvester Ants of North America