Pheidole alexeter

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

Collected in a savanna. (Wilson 2003)


See the description in the nomenclature section.

Keys including this Species


Only known from the type locality.

Distribution based on Regional Taxon Lists

Neotropical Region: Brazil (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.

  • alexeter. Pheidole alexeter Wilson, 2003: 648, figs. (s.w.) BRAZIL.

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


DIAGNOSIS A very distinct member of the tristis group distinguished by the following combination of traits.

Major: head short-rectangular; humerus very prominently lobose in dorsal-oblique view; mesonotal convexity prominent and symmetrical in side view; propodeal spines equilaterally triangular and directed perpendicular to basal propodeal face; postpetiole spinose from above; faint, shallow antennal scrobes present; posterior two-thirds of the dorsal surface of the head mostly covered by loose rugoreticulum; pronotal dorsum transversely carinulate and humeri bearing weak patches of rugoreticula.

Minor: occiput narrowed, with nuchal collar; propodeal spines reduced to dentic1es; humeri with loose rugoreticula; most of body smooth and shiny.

MEASUREMENTS (mm) Holotype major: HW 1.44, HL 1.54, SL 0.72, EL 0.16, PW 0.72. Paratype minor: HW 0.62, HL 0.62, SL 0.66, EL 0.10, PW 0.40.

COLOR Major: body, mandibles, and antennae rich medium reddish brown, legs dark yellow.

Minor: concolorous dark yellow.

Pheidole alexeter Wilson 2003.jpg

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

Type Material

BRAZIL: Vigia, near Belem, Para, col. William L. Brown. Museum of Comparative Zoology


Gr alexeter, guard, defender.