This large species occurs in lowland rainforest over a wide part of South America. At Cuzco Amazónico, near Puerto Maldonado, Peru, Stefan Cover (unpublished collection notes) reports colonies nesting in soil, and minors foraging on the surface of soil and leaf litter. (Wilson 2003)
See the description in the nomenclature section.
Keys including this Species
Distribution based on Regional Taxon Lists
Distribution based on AntMaps
Distribution based on AntWeb specimens
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The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.
- astur. Pheidole astur Wilson, 2003: 268, figs. (s.w.) PERU.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
A member of a complex of Pheidole species with giant majors covered by short, bristly hair, in the larger fallax group, comprising Pheidole astur, Pheidole oxyops, Pheidole praeusta and Pheidole trageri. P. astur is distinguished among them by the following combination of traits.
Major: a patch of rugoreticulum present laterad to each antennal fossa; longitudinal carinulae immediately next to the dorsal midline of head reaches the occipital border, but the occipital lobes are smooth and shiny; postpetiolar node seen from above elliptical in shape, with subangular lateral margins; small subpostpetiolar process present.
Minor: occiput narrowed to form a distinct neck, followed by a broad nuchal collar; pronotum entirely smooth and shiny.
MEASUREMENTS (mm) Holotype major: HW 2.34, HL 2.66, SL 1.20, EL 0.30, PW 1.10. Paratype minor: HW 0.68, HL 1.04, SL 1.42, EL 0.20, PW 0.50.
COLOR Major: body and mandibles reddish brown, legs and antennae a lighter shade of reddish brown.
Minor: concolorous yellow.
Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.
PERU: Cuzco Amazónico, 15 km northeast of Puerto Maldonado, Madre de Dios, col. Stefan Cover and John E. Tobin. Museum of Comparative Zoology
L astur, hawk.
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 268, fig. major, minor described)