The binomial name Formica nana may refer to any of three distinct species currently or formerly placed within the ant genus Formica. Formica nana Latreille, 1802, an unidentifiable species placed incertae sedis in Formica Formica nana Jerdon, 1851, a species of ghost ant now known as Tapinoma nana, a junior synonym of Tapinoma melanocephalum Formica nana Smith, 1858, a species of carpenter ant now known as Camponotus nywet, a junior synonym of Camponotus novogranadensis
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