This species is only known from type specimens. Nothing is known about its biology.
See the description in the nomenclature section.
Keys including this Species
Known from the type locality and from localities in Chocó and Cundinamarca, Colombia. (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.
- pygmaea. Pheidole pygmaea Wilson, 2003: 490, figs. (s.w.) COLOMBIA.
Major: yellow; eye large, oval, set far forward on head; head elongate; occipital cleft broad, deep, its nadir semicircular; propodeal spines reduced to right angles; propodeal spiracle large, as wide as base of spines; petiolar node tapers to a point; carinulae mesad to eyes extend almost halfway to occipital lobes; carinulae originating at rear of frontal lobes spread laterally, away from the midline; small patches of foveolae present on mesopleuron and petiolar peduncle, and mesosoma, waist, and gaster otherwise smooth and shiny.
Minor: eye very large, set far forward, tapered slightly toward anterior end; anterior half of head partly carinulate and foveolate, and entire remainder of head and body smooth and shiny.
MEASUREMENTS (mm) Holotype major: HW 0.74, HL 0.90, SL 0.40, EL 0.10, PW 0.40. Paratype minor: HW 0.44, HL 0.50, SL 0.40, EL 0.08, PW 0.26.
COLOR Major: body dark yellow, appendages medium yellow.
Minor: concolorous medium yellow.
Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.
COLOMBIA: TV Tower Road, Saldido, west of Cali, Valle, 1900–2100 m, col. W. L. Brown and R. B. Root. Museum of Comparative Zoology
L pygmaea, dwarf.
- Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 490, fig. major, minor described)