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Species: Pheidole heyeri   Forel, 1899 

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Taxonomic History (provided by Barry Bolton, 2019)

Pheidole guilelmimuelleri var. heyeri Forel, 1899e PDF: 71 (footnote) (s.w.) BRAZIL. Neotropic. AntCat AntWiki HOL

Taxonomic history

Raised to species and senior synonym of Pheidole ultrix: Wilson, 2003A: 706.
See also: Forel, 1911e PDF: 302; Forel, 1912g PDF: 321.


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

Pheidole guilelmimuelleri var. heyeriHNS Forel 191 le: 302. Syn.: Pheidole guilelmimuelleri var. ultrixHNS Forel 1912g: 221, n. syn. Types not seen: Pheidole guilelmimuelleri heyeri var. dryasHNS Santschi 1929d: 288 (Rio de Janeiro), Pheidole guilelmimuelleri heyeri var. infans SantschiHNS 1923d: 56 (Santa Catarina, Brazil), and Pheidole guilelmimuelleri heyeri var. injunctaHNS Forel 191 le: 302 (Sao Paulo), which are all unavailable names.

Types Mus. Hist. Nat. Geneve.

Etymology Eponymous.

diagnosis Similar especially to antillanaHNS of the Lesser Antilles, but differing in the following combination of traits. Major: shallow scrobes, whose surfaces lack sculpturing; small rugoreticula present mesad to the eyes and on the dorsal pronotal margins; dorsal surface of occiput mostly smooth but with scattered foveae; mesonotal convexity subangulate; postpetiole strongly cornulate.

Minor: occiput and lateral posterior quarters of cephalic dorsum transversely carinulate; humerus subangulate in dorsal-oblique view; most of promesonotum rugulose, with margins loosely rugoreticulate. Color of major and minor: reddish yellow.

Measurements (mm) Lectotype major: HW 2.02, HL 2.16, SL 0.90, EL 0.22, PW 0.82.

Paralectotype minor: HW 0.82, HL 0.86, SL 0.92, EL 0.14, PW 0.54.

color Major: body medium reddish yellow, appendages light reddish yellow.

Minor: body dark reddish yellow, appendages light reddish yellow.

Range Sao Paulo and Rio Grande do Sul states, Brazil.

Biology Unknown.

Figure Upper: lectotype, major. Lower: paralectotype, minor. BRAZIL: Sao Leopoldo, Rio Grande do Sul. Scale bars = 1 mm.

Specimen Habitat Summary

Type specimens: Lectotype of Pheidole heyeri: casent0908179; paralectotype of Pheidole heyeri: casent0908180; syntype of Pheidole guilelmimuelleri ultrix: casent0908169; Type of unavailable quadrinomial: Pheidole guilelmimuelleri heyeri dryas: casent0913330, casent0913331; Type of unavailable quadrinomial: Pheidole guilelmimuelleri heyeri infans: casent0913332, casent0913333; Type of unavailable quadrinomial: Pheidole guilelmimuelleri heyeri injuncta: casent0908181, casent0908182

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