Primary type information:
Primary type material: syntype workers (number not stated). Primary type locality: Italy: “Habitat in Italia. D. Allioni.” (no further data). Primary type depository:
ZMUK.
Type notes:
1)
Zimsen, 1964: 424, cites 2 workers in
ZMUK. 2)
Olivier, 1792: 492, says that
Formica didyma, “ressemble à la Fourmi fauve” (=
Formica rufa).