Collected from beneath a rock. A male was present in the nest on 26 May. (Wilson 2003)
See the description in the nomenclature section.
Keys including this Species
Only known from the type locality.
Distribution based on Regional Taxon Lists
Distribution based on AntMaps
Distribution based on AntWeb specimens
Check data from AntWeb
The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.
- petrensis. Pheidole petrensis Wilson, 2003: 337, figs. (s.w.) MEXICO.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
Major: head subrectangular in full-face view; tip of antennal scape just reaches occipital corner; almost entire head, mesosoma, and waist foveolate and opaque; entire central strip of all the gastral tergites shagreened and opaque; rugoreticulum limited to space between eye and antennal fossa; carinulae limited mostly to anterior half of head, absent from rest of body; propodeal spines moderately long and thin.
Minor: propodeal spines long, very thin, needle-like; head capsule in full-face view forms almost perfect oval; nuchal collar present; entire head and body foveolate and opaque; entire central strip of first gastral tergite shagreened and opaque to subopaque.
MEASUREMENTS (mm) Holotype major: HW 1.16, HL 1.26, SL 1.02, EL 0.22, PW 0.62. Paratype minor: HW 0.68, HL 0.84, SL 1.06, EL 0.20, PW 0.46.
COLOR Major: body and appendages medium to dark brown; a darker brown circular spot is present on vertex.
Minor: body concolorous light brown.
Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.
MEXICO: 24 km west of Cuernavaca, Morelos, 2200 m, col. William P. MacKay. Museum of Comparative Zoology
Gr L petrensis, at a stone, alluding to the microhabitat of the type colony.
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 337, fig. major, minor described)