Formica genus
Wood ants, mound ants, & field ants
Otero County, CO
6/6/2012

Formica fusca complex
fusca-group Field Ants
near Huron Peak trailhead, Chaffee County, CO
8/19/2022

Formica fusca
Silky Ant
Chelan County, WA
5/30/2021

Formica podzolica
complex: fusca-group Field Ants
Great Sand Dunes National Park, Alamosa County, CO
9/3/2013

Formica integra complex
genus: Wood ants, mound ants, & field ants
near Huron Peak trailhead, Chaffee County, CO
8/19/2022

Formica pallidefulva
complex: pallidefulva-group Field Ants
Pryor, Mayes County, OK
9/30/2018

Formica obscuripes
Thatching ant
King County, WA
8/6/2014