Broad-headed Amazon Ant

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Polyergus breviceps is a species of ant endemic to the United States. It is a social parasite of other ants, namely of Formica gnava but also of Formica occulta and Formica argentea. Polyergus is an inquiline parasite, having lost its ability to take care of its young and themselves.

Polyergus es un género de hormigas, familia Formicidae. Se distribuyen por el Holártico: Norteamérica y Eurasia. Son parásitas obligadas de varias especies de Formica.