Worker Harpagoxenus canadensis specimen, profile

Winged queen shining guest ant specimen, wing detail

Worker Harpagoxenus canadensis specimen, head detail

Rossomyrmex proformicarum, lateral view

Male shining guest ant specimen, head detail

Male Harpagoxenus sublaevis specimen, dorsal view

Strongylognathus caeciliae specimen, lateral view

Wingless queen Formica dirksi specimen, profile

Male Formica talbotae specimen, head detail

Teleutomyrmex schneideri specimen showing head profile

Rossomyrmex minuchae specimen, lateral view

Solenopsis daguerrei specimen