The type series was collected from a forest at the base of a mountain, and the nest contained seeds. Winged queens were present in the Rio Palenque nest when found by G. J. Umphrey on 28 July. (Wilson 2003)
See the description in the nomenclature section.
Keys including this Species
Known only from Bucay and Rio Palenque, Ecuador. (Wilson 2003)
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.
- guayasana. Pheidole guayasana Wilson, 2003: 702, figs. (s.w.) ECUADOR.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
DIAGNOSIS Similar in various characters to Pheidole fullerae, Pheidole gauthieri, Pheidole hetschkoi, Pheidole heyeri, Pheidole napoensis, Pheidole pidax, Pheidole rosae, Pheidole rosula, and especially Pheidole securigera, differing as follows.
Major: brown; frontal lobes extended forward as conspicuous right-angular processes, seen from the side; antennal scrobes present, each followed posteriorly by a patch of rugoreticulum; a very small patch of rugoreticulum present on edge of antennal fossa; occipital lobes in full-face view smoothly rounded; posterior half of pronotal profile flat in dorsal-oblique view; mesonotum and dorsal propodeal face almost entirely free of carinulae; postpetiole spinose.
Minor: propodeal spines reduced to denticles; occiput narrow, with very thin nuchal collar; carinulae on promesonotum mostly limited to anterior and posterior margins; carinulae on head mostly limited to posterior fourth of dorsal head surface.
MEASUREMENTS (mm) Holotype major: HW 1.52, HL 1.64, SL 0.68, EL 0.14, PW 0.74. Paratype minor: HW 0.56, HL 0.60, SL 0.70, EL 0.08, PW 0.38.
COLOR Major: gaster plain dark brown; rest of body, and mandibles, medium reddish brown; other appendages plain dark yellow.
Minor: body plain light brown, appendages dark yellow.
Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.
ECUADOR: 3 km southwest of Bucay, Guayas, col. William L. Brown. Museum of Comparative Zoology
Named based on the Ecuadoran province of the type locality.
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 702, fig. major, minor described)