Key to US Cephalotes species

The following key to the Cephalotes workers of the United States has been modified from de Andrade & Baroni Urbani (1999). For all species see the Key to Cephalotes species.

1

 * Dorsum of the head with long erect hairs => Cephalotes rohweri
 * Dorsum of the head with erect hairs either missing or very short => 2

2

 * Frontal carinae with a deep incision over the eyes; body reddish => Cephalotes varians


 * Frontal carinae straight, not incised, over the eyes; body primarily black => Cephalotes texanus