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Species: Pheidole stigma   Wilson, 2003 

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Taxonomic History (provided by Barry Bolton, 2019)

Pheidole stigma Wilson, 2003A: 234, figs. (s.w.) ECUADOR. Neotropic. AntCat AntWiki HOL


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Brazil, Ecuador
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press

Pheidole stigmaHNS new species

Types Mus. Comp. Zool. Harvard.

Etymology Gr stigmaHNS, mark, spot, with reference to the dark spot on the head of the major.

diagnosis Distinguished within the diligensHNS group by the following combination of traits.

Major: pilosity very sparse, generally, and entirely absent on the mesosoma and waist; head light reddish brown with medium brown spot on vertex and medium brown trim on margins of frontal lobes, as illustrated; carinulae limited to anterior half of head, including margins of frontal lobe, and posterior half of dorsal surface of head and all of gaster smooth and shiny; all of mesosoma and waist foveolate and opaque.

Minor: mesosoma devoid of hair; carinulae limited to circular carinulae around antennal fossae; all of mesosoma and petiole, as well as anterior half of head and side of postpetiole, foveolate and opaque, and the rest of the body smooth and shiny; body medium reddish brown, appendages light reddish brown, tarsi yellow.

Compare with animaHNS, bruesiHNS, diligensHNS, gagatesHNS, geraesensisHNS, nubilaHNS, piceonigraHNS, radoszkowskiiHNS, and triconstrictaHNS.

Measurements (mm) Holotype major: HW 0.60, HL 0.64, SL 0.76, EL 0.14, PW 0.40.

Paratype minor: HW 1.00, HL 1.00, SL 0.80, EL 0.18, PW 0.52.

Color See in Diagnosis above.

range Known only from the type locality.

Biology The type colony was found beneath a rock in a pasture.

Figure Upper: holotype, major. Lower: paratype, minor. ECUADOR: Banos, near Riobamba, 1800 m (Gary J. Umphrey). Scale bars = 1 mm.

Specimen Habitat Summary

Elevations: collected at 1800 m

Type specimens: Paratype Pheidole stigma: casent0636799, jtlc000016538

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