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Photo#780579
Ant - Formica subsericea

Ant - Formica subsericea
Pheasant Branch Conservancy, Middleton, Dane County, Wisconsin, USA
June 4, 2013

Images of this individual: tag all
Ant - Formica subsericea Ant - Formica subsericea Ant - Formica subsericea Ant - Formica subsericea

Moved
Rounded rear border of head, visible in some photos, and antennal scape notably longer than head length (not including mandibles) clinch this species identification. A very abundant ant in the upper Midwest.

Size?
Looks like Camponotus pennsylvanicus. How big was it?

 
Smaller?
I don't trust my estimates, but I think it was smaller than C. pennsylvanicus. I was thinking it was one of the Formica referenced at [cite:771735].

 
This is indeed a Formica (fusca group)
Either F: subsericea or F. glacialis. Excellent quality of these pics should allow a North-American expert to know for sure.

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