Pheidole simplex

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Pheidole simplex
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. simplex
Binomial name
Pheidole simplex
Wheeler, W.M., 1925

MCZ-ENT00023260 Pheidole biconstricta subsp simplex hal.jpg

MCZ-ENT00023260 Pheidole biconstricta subsp simplex had.jpg

Type Specimen Label

At Cuzco Amazónico, near Puerto Maldonado, Peru, Stefan Cover and John E. Tobin found a colony in terra firme forest, nesting in a rotten log. (Wilson 2003)


See the description in the nomenclature section.

Keys including this Species


Poorly known; records are from Amazonian Brazil and Peru. (Wilson 2003)

Latitudinal Distribution Pattern

Latitudinal Range: -2.687467° to -13.494733°.

Tropical South

Distribution based on Regional Taxon Lists

Neotropical Region: Brazil, Peru (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.

Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.




The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • simplex. Pheidole biconstricta subsp. simplex Wheeler, W.M. 1925a: 21 (s.) PERU. Raised to species: Wilson, 2003: 148.

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


From Wilson (2003): Distinguished from other members of the biconstricta group by the dense, long, suberect to erect pilosity and reduced propodeal spines in both the major and minor castes. Also, only the anterior half of the first gastral tergite is shagreened and opaque.

MEASUREMENTS (mm) Lectotype major: HW 1.42, HL 1.36, SL 0.92, EL 0.16, PW 0.68. Paralectotype minor (Aleixo, Brazil): HW 0.64, HL 0.74, SL 0.90, EL 0.14, PW 0.44.

COLOR Major and minor: yellowish red, with gaster of minor a slightly contrasting brownish yellow.

Pheidole simplex Wilson 2003.jpg

Figure. lectotype, major (PERU: “Llinquipata”). Lower: minor (BRAZIL: Aleixo, near Manaus), compared with paralectotype from type locality. Scale bars = 1 mm.

Lectotype Specimen Labels

Type Material

PERU: “Llinquipata”. Naturhistoriska Riksmuseet and Museum of Comparative Zoology - as reported in Wilson (2003)


L simplex, simple, anatomical reference unknown. (Wilson 2003)


References based on Global Ant Biodiversity Informatics

  • Escalante Gutiérrez J. A. 1993. Especies de hormigas conocidas del Perú (Hymenoptera: Formicidae). Revista Peruana de Entomología 34:1-13.
  • Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.
  • Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).
  • Wheeler W. M. 1925. Neotropical ants in the collections of the Royal Museum of Stockholm. Arkiv för Zoologi 17A(8): 1-55.