| Pheidole steinheili|
The type colony was very populous, in loose soil and covered by multiple craters (Forel).
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
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The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.
- steinheili. Pheidole steinheili Forel, 1901e: 353 (s.w.q.m.) COLOMBIA. See also: Wilson, 2003: 757.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
From Wilson (2003): DIAGNOSIS A large, distinctive species of the tristis group with no clear affinities.
Major: head capsule in full-face view roughly circular in outline, with smoothly semicircular occipital lobes; carinulae originating along the midline of the dorsal half of the head turn outward; occipital lobes mostly smooth, with a sprinkling of foveae; antennal scape very short, its tip reaching the lateral head margin just posterior to the eye; entire clypeus, most of mesosoma, and dorsum of waist carinulate; anterior half of central strip of first gastral tergite shagreened; postpetiole cone-shaped.
Minor: occiput very narrow but lacks nuchal collar; part of propodeal dorsum and lower fringe of mesopleuron carinulate.
MEASUREMENTS (mm) Lectotype major: HW 2.16, HL 2.20, SL 1.00, EL 0.28, PW 1.04. Paralectotype minor: HW 0.74, HL 0.84, SL 1.00, EL 0.18, PW 0.48.
COLOR Major: body medium to dark reddish brown except for posterior half of head capsule, which is light reddish brown; appendages light reddish brown.
Minor: concolorous plain light brown.
Figure. Upper: lectotype, major. Lower: paralectotype, minor. Scale bars = 1 mm.
COLOMBIA: Dibulla, Guajira, col. Auguste Forel. Musee d'Histoire Naturelle Genève - as reported in Wilson (2003)
Eponymous, no further attribution. (Wilson 2003)
- Forel, A. 1901. Variétés myrmécologiques. Ann. Soc. Entomol. Belg. 45: 334–382. (page 353, soldier, worker, queen, male described)
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 757, fig. major, minor described)