Key of Formica

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Formica sanguinea

Formica [04]

Anterior margin of clypeus medially emarginate (Fig. 3.37a); eyes without hairs; head, mesosoma and gaster dorsally with only a few hairs (subgenus Raptiformica) Anterior margin of clypeus not emarginate (Fig. 3.37b); eyes with hairs; head and mesosoma dorsally with numerous hairs (subgenus Formica)
Formica sanguinea Formica truncorum Formica yessensis

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