Pogonomyrmex of the Navajo Reservation

Pogonomyrmex

This genus is found throughout the arid desert zones and the mid elevation mesa zones on up to Juniper Pinon Woodlands.

Key to Species (based on workers)

This key to workers is based on


 * Cole


 * Johnson, R.

At present 6 species of Pogonomyrmex are known within the Navajo Reservation, as additional ant species are discovered, they  will be added to the key below. Each Navajo ant species page links to an AntWiki species page.

1

 * Psammophore reduced to absent . . . . . 2


 * Psammophore present . . . . . 3

2 (1)

 * Propodeal teeth present . . . . . Pogonomyrmex imberbiculus
 * Propodeal teeth not present Pogonomyrmex huachucanus

File:Pogonomyrmex-huachucanus-MCZ002D.jpg

3 (1)

 * No postpetiole, petiole clearly separated from remainder of gaster; sting absent. . . . . . 4
 * Postpetiole with a slight separation from remainder of gaster; sting present; Subpetiolar process simple lobe, never with fenestra or paired posterolateral teeth. Anterior border of clypeus without teeth; mandible relatively small (Subfamily Ponerinae). . . . . Hypoponera opacior

4 (3)

 * Acidopore absent, no ring of hairs at apex of gaster (Subfamily Dolichoderinae) . . . . . 16


 * Acidopore at apex of gaster round and usually surrounded by ring of hairs (Subfamily Formicinae) . . . . . 19

5 (2)

 * Antennae with 10 segments, last 2 segments forming a distinct club; propodeum without spines; either dimorphic species or very small monomorphic species . . . . . Solenopsis (2 species)


 * Antennae with 11 or 12 segments . . . . . 6