(Correction, my mistake: not F. fossaceps but…)
Formica ravida Creighton, 1940
Thanks to James Trager for the ID!
See also:
http://bugs.adrianthysse.com/2011/11/time-for-a-cuddle/
http://bugs.adrianthysse.com/2011/10/ants-in-high-places/
Photographed September 19, 2011 at Writing-on-Stone Provincial Park, County Warner, Alberta, Canada. Canon T2i with MP-E 65mm macro lens. Diffused MT-24EX flash. ISO 400, 1/200@f16.









