Formica sp. - Formica aserva

An online resource devoted to North American insects, spiders and their kin, offering identification, images, and information.

Formica aserva - AntWiki

Formica aserva - AntWiki

Western Thatching Ants (Formica obscuripes) in the Early Spring - A Good Life

Formica ant hi-res stock photography and images - Alamy

Nurbs' Formica aserva journal - Page 4 - Ant Keeping Journals - Ants & Myrmecology Forum

Blue Jay Barrens: Not Carpenter Ants

Formica sp hi-res stock photography and images - Alamy

Minnesota Seasons - wood, mound, and field ants

Formica sp (?) - Formica aserva

Formica aserva (Blood-Red Field Ants) – Canada Ant Colony

BOLD Systems: Taxonomy Browser - Formica {genus}