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Species: Pheidole obscurifrons   Santschi, 1925 

Classification:
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Taxonomic History (provided by Barry Bolton, 2018)

Pheidole aberrans var. obscurifrons Santschi, 1925e PDF: 158 (s.w.) ARGENTINA. Neotropic. AntCat AntWiki HOL

Taxonomic history

Raised to species: Wilson, 2003A: 139.

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Argentina
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Neotropical

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 obscurifronsHNS Santschi, new status

Pheidole (Elasmopheidole) aberrans var. obscurifronsHNS Santschi 1925e: 158. Types Naturhist. Mus. Basel.

Etymology L obscurifronsHNS, dark or indistinct brown, allusion unknown.

diagnosis Major: large; yellow; frontal lobes in side view form blunt right angles; in full-face view the mesad anterior border is straight and the lateral anterior border concave, the two coming together as a blunt angle that approaches within an Eye Length of the anterior clypeal border; all of the dorsal surface of the head carinulate except the centers of the clypeus and occiput; upper section of mesopleuron carinulate and foveolate; low, forward-directed process present on postpetiolar venter.

Minor: all of dorsum and sides of head except vertex and frontal triangle carinulate; pronotal dorsum covered by semicircular carinulae; mesopleuron foveolate.

measurements (mm) Lectotype major: HW 1.70, HL 2.00, SL 0.62, EL 0.16, PW 0.90. Paralectotype minor: HW 0.76, HL 0.82, SL 0.62, EL 0.10, PW 0.50. color Major: concolorous reddish brown. Minor: concolorous plain yellow.

Range Recorded from Santa Fe and Cordoba, Argentina (Kempf 1972b). Biology Unknown.

figure Upper: lectotype, major. Lower: paralectotype, minor. ARGENTINA: Fives Lille, Santa Fe. Scale bars = 1 mm.

Specimen Habitat Summary

Type specimens: lectotype of Pheidole obscurifrons: casent0922377; syntype of Pheidole aberrans obscurifrons: casent0922381, casent0922382; syntype of Pheidole obscurifrons: casent0810328, casent0913254, casent0913255



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