Narrow headed ant  (Formica exsecta)

Female narrow headed ant
Female narrow headed ant
© Robin Williams		 Narrow headed ants on nest
Narrow headed ants on nest
© Roger Key		 Female narrow headed ants
Female narrow headed ants
© Robin Williams
Narrow headed ants moving material at nest
Narrow headed ants moving material at nest
© Roger Key		 Narrow headed ant nest
Narrow headed ant nest
© Roger Key