Key to US Gnamptogenys species

Key to workers of Gnamptogenys species known from the United States.

1

• Body pale reddish brown; propodeum lacking spines; smaller, length 3.5-4 mm. Louisiana and Texas => Gnamptogenys hartmani

Head of Gnamptogenys hartmani worker

Profile of Gnamptogenys hartmani worker

• Body dark reddish black; propodeum armed with small spines; larger, length approximately 5 mm. Alabama and Florida => Poneracantha triangularis

Head of Poneracantha triangularis worker

Profile of Poneracantha triangularis worker