Pheidole mera

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

Pheidole mera casent0172698 profile 1.jpg

Pheidole mera casent0172698 dorsal 1.jpg

Specimen Label

This species is only known from type specimens. Nothing is known about its biology.


See the description in the nomenclature section.

Keys including this Species


Central and southern Texas (Cameron, Hidalgo, and Travis counties). (Wilson 2003)

Distribution based on Regional Taxon Lists

Nearctic Region: United States (type locality).
Neotropical Region: Guatemala, Mexico.

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.

  • mera. Pheidole mera Wilson, 2003: 452, figs. (s.w.) U.S.A.

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


DIAGNOSIS A medium-sized yellow species whose major has an elongate head, shallow scrobes, deep occipital cleft, semicircular promesonotal profile, and cornulate postpetiole. Similar to Pheidole casta, but the mera major differs in its carinulate and deeply cleaved occiput, oblique orientation of the carinulae mesad to the eyes, and more bulbous promesonotal profile.

MEASUREMENTS (mm) Holotype major: HW 0.80, HL 0.94, SL 0.42, EL 0.14, PW 0.50. Paratype minor: HW 0.44, HL 0.46, SL 0.38, EL 0.08, PW 0.26.

COLOR Major and minor: concolorous clear yellow.

Pheidole mera Wilson 2003.jpg

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

Type Material

TEXAS: La Feria, Cameron Co., col. W. S. Creighton. Museum of Comparative Zoology


L mera, pure, unadulterated, referring to the color.