Pheidole longiseta

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

The type colony was nesting in a small white-wood rotten log on the floor of terra firme forest. (Wilson 2003)


See the description in the nomenclature section.

Keys including this Species


Known from the type locality, and from 90 km north of Manaus, Amazonas, Brazil (E. O. Wilson).

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




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

  • longiseta. Pheidole longiseta Wilson, 2003: 206, figs. (s.w.) PERU.

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


A medium-sized, brown species with extremely long, relative sparse, erect to suberect pilosity.

Major: the cephalic sculpturing is confined to the anterior half of the head and consists in part of rugoreticulum mesad to the eyes.

Minor: propodeal spine greatly reduced, pronotum smooth and shining.

Similar to Pheidole pubiventris, Pheidole sensitiva and Pheidole variegata (= Pheidole pubiventris)', differing in many details of body form, sculpturing, and pilosity, as illustrated. See also the less similar Pheidole blumenauensis, Pheidole rochai, Pheidole seeldrayersi and Pheidole vafra.

MEASUREMENTS (mm) Holotype major: HW 1.14, HL 1.16, SL 0.88, EL 0.18, PW 0.58. Paratype minor: HW 0.62, HL 0.74, SL 0.98, EL 0.16, PW 0.42.

COLOR Major: body medium brown, appendages a slightly contrasting medium yellowish brown.

Minor: head, mesosoma, and peduncles of petiole and postpetiole dark brown; nodes of petiole and postpetiole, gaster, and appendages a contrasting medium brown.

Pheidole longiseta Wilson 2003.jpg

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

Type Material

PERU: Cuzco Amazónico, 15 km northeast of Puerto Maldonado, Madre de Dios, col. Stefan Cover and John E. Tobin. Museum of Comparative Zoology


L longiseta, long-haired.


References based on Global Ant Biodiversity Informatics

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