Pheidole bufo

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

Pheidole bufo jtlc000016332 p 1 high.jpg

Pheidole bufo jtlc000016332 d 1 high.jpg

Specimen Labels

James Trager found the workers of the type colony feeding on a crushed scarab larva.


See the description in the nomenclature section.

Keys including this Species


In addition to the type colony from Brazil, the species has been found in Colombia (near Leticia) and Ecuador (Yasuni National Park, near Puerto Tiputini). (Wilson 2003)

Latitudinal Distribution Pattern

Latitudinal Range: -0.6364° to -15.461°.

Tropical South

Distribution based on Regional Taxon Lists

Neotropical Region: Brazil (type locality), Colombia, Ecuador.

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.

  • bufo. Pheidole bufo Wilson, 2003: 251, figs. (s.w.) BRAZIL.

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


A very distinct member of the distorta group, recognizable by the following traits.

Major: central third of dorsal head surface in side view deeply concave; all of dorsal surface of head except clypeus and frontal triangle, and all of pronotal dorsum, strongly rugoreticulate; hypostoma bidentate; sides of mesosoma and dorsum of postpetiolar node carinulate; anterior third of first gastral tergite finely striate, remainder foveolate and opaque; humerus right-angulate and posteriorly notched in dorsal-oblique view; propodeal spine very large, nearly 2X as long as the basal face of the propodeum anterior to it.

Minor: humerus surmounted by a blunt spine in dorsal-oblique view; propodeal spines nearly as long as the basal propodeal space; mesosoma almost completely covered by longitudinal carinulae.

MEASUREMENTS (mm) Holotype major: HW 1.64, HL 1.92, SL 0.84, EL 0.22, PW 0.78. Paratype minor: HW 0.84, HL 0.82, SL 0.74, EL 0.18, PW 0.54.

COLOR Major and minor: body dark brown, appendages light to medium brown.

Pheidole bufo Wilson 2003.jpg

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

Paratype Specimen Labels

Type Material

BRAZIL: trail to waterfall, Véu de Noira, Chapada dos Guimarães, Mato Grosso, col. James C. Trager. Museum of Comparative Zoology


L bufo, toad.


References based on Global Ant Biodiversity Informatics

  • Franco W., N. Ladino, J. H. C. Delabie, A. Dejean, J. Orivel, M. Fichaux, S. Groc, M. Leponce, and R. M. Feitosa. 2019. First checklist of the ants (Hymenoptera: Formicidae) of French Guiana. Zootaxa 4674(5): 509-543.
  • Santos, J.C., J.H.C Delabie and G.W. Fernandes. 2008. Uma avaliação após 15 anos do efeito do fogo sobre a comunidade de formiga em uma área de floresta amazônica. Revista Brasileira de Entomologia 52(1): 82-87.