Formica - AntWiki

identification formica spiecies - The AntsCanada Ant Forum's

Getting to know thatching ants: a general guide for the Pacific Northwest - Nature Talk - iNaturalist Community Forum

Formica rufa (red wood ant) – AntKeepers

Key to New England Formica - AntWiki

Formica - Wikipedia

A tentative key to workers in the Formica sanguinea species group · Natusfera

Formica - Wikipedia

Formica rufa - AntWiki

Formica moki - AntWiki

Formica archboldi - AntWiki

Formica truncorum - Wikipedia

A tentative key to workers in the Formica sanguinea species group · Natusfera

Formica subsericea - Wikipedia