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Species: Pheidole grandinodus   Wilson, 2003 

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

Pheidole grandinodus Wilson, 2003A: 699, figs. (s.w.) BRAZIL. Neotropic. AntCat AntWiki HOL

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Brazil, French Guiana, Guyana
  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 grandinodusHNS new species

Types Mus. Comp. Zool. Harvard.

etymology L grandinodusHNS, large node, referring to the exceptionally large postpetiolar node.

Diagnosis A large, yellow member of the tristisHNS group with small eyes, exceptionally large, bell-shaped postpetiolar node, and large, bulging subpostpetiolar process. The propodeal spines are only medium-long, and in the minor fully erect. Seen from behind, the petiolar node of the major is hexagonal, with a flat top and that of the minor strongly convex.

Similar to alpinensisHNS, exarataHNS, excubitorHNS, gaigeiHNS, germainiHNS, godmaniHNS, grantaeHNS, obrimaHNS, rogeriHNS, severiniHNS, stultaHNS, tristisHNS, and zosterHNS, differing in many details of body form, sculpturing, and pilosity, as illustrated, and in color. Measurements (mm) Holotype major: HW 1.53, HL 1.54, SL 0.82, EL 0.14, PW 0.66. Paratype minor: HW 0.54, HL 0.66, SL 0.74, EL 0.06, PW 0.40.

Color Major: head, mesosoma, and appendages reddish yellow; waist and gaster brownish yellow. Minor: body dark yellow, appendages light.

Range Known only from the type locality.

Biology Unknown.

Figure Upper: holotype, major. Lower: paratype, minor. BRAZIL: 66 km north of Manaus on Caracara Road (William L. and Doris E. Brown). Scale bars = 1 mm.

Specimen Habitat Summary

Found most commonly in these habitats: 2 times found in wet forest.

Found most commonly in these microhabitats: 1 times ex sifted litter, rotten wood, 1 times ex sifted litter.

Collected most commonly using these methods: 2 times Winkler.

Elevations: collected from 80 - 500 meters, 290 meters average

Type specimens:



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