Pheidole hamtoni

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Pheidole hamtoni
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. hamtoni
Binomial name
Pheidole hamtoni
Wilson, 2003

Nothing is known about the biology of hamtoni.


See the description in the nomenclature section.

Keys including this Species


Known from the type locality and from 8 km northwest of Tequila, Jalisco, 1220 m, col. R. J. Hamton. (Wilson 2003)

Distribution based on Regional Taxon Lists

Neotropical Region: Mexico (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb




The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • hamtoni. Pheidole hamtoni Wilson, 2003: 296, figs. (s.w.) MEXICO.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.


A member of the fallax group, close to Pheidole azteca but differing from it and other species of the group by the following combination of traits.

Both major and minor brownish yellow.

Major: head capsule 1.14X longer than broad; hypostomum with 5 teeth; propodeal spine greatly reduced, to a rudimentary denticle; postpetiolar node from above short and bell-shaped; pilosity erect and very dense; rugoreticulum present between each eye and the nearby antennal fossa; carinulae mesad to the eye extend almost all the way to the occipital border.

Minor: propodeal spines reduced to denticles; occiput narrowed slightly, with a nuchal collar.

MEASUREMENTS (mm) Holotype major: HW 1.32, HL 1.50, SL 1.22, EL 0.22, PW 0.74. Paratype minor: HW 0.64, HL 0.78, SL 1.02, EL 0.16, PW 0.44.

COLOR Major: body concolorous brownish yellow, except for gaster, which is a shade darker.

Minor: concolorous brownish yellow.

Pheidole hamtoni Wilson 2003.jpg

Figure. Upper: holotype, major. Lower: paratype, minor. Scale bars = 1 mm.

Type Material

MEXICO: 10 km northwest of Ixtlán, Nayarit, col. Robert J. Hamton. Museum of Comparative Zoology


Named after the collector, Robert J. Hamton.