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Photo#848626
Protomognathus americanus - Temnothorax americanus - female

Protomognathus americanus - Temnothorax americanus - Female
Irwin Run, Allegheny County, Pennsylvania, USA
September 22, 2013
P. americanus are proportionately large-headed brown ants with pronounced antennal scrobes (groove on side of head that antennal scape fits into). Temnothorax longispinosus (black) and T. curvispinosus (orange) host workers also present.

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Protomognathus americanus - Temnothorax americanus - female Protomognathus americanus - Temnothorax americanus - female Protomognathus americanus - Temnothorax americanus - female Protomognathus americanus - Temnothorax americanus - female Protomognathus americanus - Temnothorax americanus - female