Pheidole amata

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Pheidole amata
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. amata
Binomial name
Pheidole amata
Forel, 1901

Pheidole amata casent0908158 p 1 high.jpg

Pheidole amata casent0908158 d 1 high.jpg

Specimen Labels

Forel discovered the type colony of amata in 1896 at the foot of the Sierra Nevada de Santa Marta, nesting in the soil of virgin rainforest. (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: Colombia (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.

  • amata. Pheidole amata Forel, 1901e: 360 (s.w.) COLOMBIA. See also: Wilson, 2003: 651.

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


From Wilson (2003): DIAGNOSIS Similar in various traits to Pheidole ambigua, Pheidole celaena, Pheidole fera, Pheidole germaini, Pheidole peruviana, Pheidole rutilana, Pheidole schwarzmaieri, Pheidole superba and Pheidole vomer, differing as follows.

Major: mostly reddish yellow; lower pronotal margin, upper half of mesopleuron, and sides of propodeum bearing curved carinulae, those on mesopleuron S-shaped; eye bean-shaped, with concave ventral border; clypeus prominent and long in side view but lacking any process; head subrectangular; occipital cleft deep; humerus in dorsal-oblique view prominent, subangulate; petiolar node thin in side view, and broad, elliptical, and marginally angular seen from above.

Minor: propodeal spine absent; occiput narrowed to a neck with nuchal collar; posterior half of mesonotum carinulate.

MEASUREMENTS (mm) Lectotype major: HW 1.54, HL 1.88, SL 0.82, EL 0.28, PW 0.80. Paralectotype minor: HW 0.56, HL 0.74, SL 0.86, EL 0.10, PW 0040.

COLOR Major: body reddish yellow except for gaster; which is plain medium brown; appendages reddish yellow. Minor: body medium brown, verging to yellow at level of clypeus; appendages medium yellow.

Pheidole amata Wilson 2003.jpg

Figure. Upper: lectotype, major. Lower: paralectotype, minor. Scale bars = 1 mm.

Lectotype Specimen Labels

Type Material

COLOMBIA: Ouriheka, near Rio Frio, Magdalena, col. Auguste Forel. Musee d'Histoire Naturelle Genève - as reported in Wilson (2003)


L amata, loved passionately, reference unknown. (Wilson 2003)


References based on Global Ant Biodiversity Informatics

  • Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).