Pheidole napoensis

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

Nothing is known about the biology of napoensis.


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: Ecuador (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb



Known only from the major.


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

  • napoensis. Pheidole napoensis Wilson, 2003: 725, figs. (s.) ECUADOR.

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


DIAGNOSIS A striking, large member of the tristis complex, similar to Pheidole bellatrix of Colombia and more distantly so to Pheidole pepo, Pheidole rotundiceps, Pheidole sphaerica and Pheidole subsphaerica, variously from Colombia and Ecuador, and distinguished as follows.

Major: promesonotum in side view forms a very large hump towering over the propodeum; antennal scrobes present; humeri very broad and rugoreticulate; postpetiolar node conulate; a patch of rugoreticulum present behind and below the eye. Minor: unknown.

MEASUREMENTS (mm) Holotype major: HW 1.70, HL 1.70, SL 0.72, EL 0.20, PW 0.92.

COLOR Major: body and mandibles very dark reddish brown, other appendages brownish yellow.

Pheidole napoensis Wilson 2003.jpg

Figure. Unique holotype, major. Scale bars = 1 mm.

Type Material

ECUADOR: 20 kilometers south of Tena, Napo, 600 m, col. Stewart and Jarmila Kukalova-Peck. Museum of Comparative Zoology


Named after the Ecuadoran province of origin.


References based on Global Ant Biodiversity Informatics

  • Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.