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Species: Pheidole geraesensis   Santschi, 1929 

Classification:
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Taxonomic History (provided by Barry Bolton, 2023)

Pheidole semilaevis var. geraesensis Santschi, 1929d PDF: 287 (s.w.) BRAZIL (Minas Gerais). Neotropic. Primary type information: Primary type material: lectotype major worker (by designation of Wilson, 2003a: 193). Primary type locality: lectotype Brazil: Minas Gerais (E. Luja). Primary type depository: NHMB. Secondary type information: Secondary type material: 1 paralectotype minor worker. Secondary type locality: same as for lectotype. Secondary type depository: NHMB. AntCat AntWiki HOL

Taxonomic history

Lectotype designation: Wilson, 2003a: 193.
As unavailable (infrasubspecific) name: Kempf, 1972b PDF: 200.
Subspecies of Pheidole semilaevis: Bolton, 1995b: 322.
Status as species: Wilson, 2003a: 193 (redescription).
// Distribution

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Brazil
  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 geraesensis StantischiHNS, new status

Pheidole semilaevis var. geraesensisHNS Santschi 1929d: 287.

Types Naturhist. Mus. Basel.

Etymology Named after the type locality.

Diagnosis A member of the diligensHNS group similar to bruesiHNS, stigmaHNS, and triconstrictaHNS (see also less similar species listed under these names, if in doubt).

Major: head bicolorous (see Color below); dorsum of head posterior to eye level smooth and shiny; a very small patch of rugoreticulum present posterior to each antennal fossa; pronotal dorsum with broken transverse rugulae, a thin anterior fringe of first gastral tergite shagreened; head posterior to eye and all of mesosoma devoid of pilosity; pronotum in dorsal-oblique view a single semicircular convexity; lateral margins of petiole subangulate.

Minor: pronotum in dorsal-oblique view bilobous; most of head and all of mesosoma and waist devoid of pilosity; dorsal margin of first gastral tergite lined exclusively with short, appressed hairs.

measurements (mm) Lectotype major: HW 1.18, HL 1.72, SL 0.78, EL 0.20, PW 0.60. Paralectotype minor: HW 0.60, HL 0.64, SL 0.72, EL 0.12, PW 0.40.

Color Major: head bicolorous, with posterior three-fourths reddish brown and anterior fourth plus mandibles reddish yellow; body plain light brown; appendages dark yellow.

Range Known only from the type locality.

Biology Unknown.

Figure Upper: lectotype, major. Lower: paralectotype, minor. BRAZIL: Minas Gerais. Scale bars = 1 mm.

Specimen Habitat Summary

Type specimens: Lectotype of Pheidole geraesensis: casent0913441; paralectotype of Pheidole geraesensis: casent0913442



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