Formica fusca  Linnaeus, 1758
Formica fusca Linnaeus, 1758 lateral
Formica fusca  Forel, 1886
Formica fusca Linnaeus, 1758 dorsal
Formica fusca  Linnaeus, 1758
Formica fusca Linnaeus, 1758 label
Formica
Formica fusca Linnaeus, 1758 frontal
Courtesy of Seiki Yamane