Type notes:
Fabricius, 1775: 394, 
Smith, 1858a: 58, 
Wheeler, 1911g: 170, 
Donisthorpe, 1943g: 685, and many others, attribute 
Formica bihamata to 
Drury, 1773: 73, pl. 38, figs. 7, 8. 
Drury, 1773's work contains both description and illustration, but the species is not named; first use of the name appears in 
Fabricius, 1775: 394.]