Pheidole terribilis

AntWiki: The Ants --- Online
Jump to navigation Jump to search
Pheidole terribilis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. terribilis
Binomial name
Pheidole terribilis
Wilson, 2003

Nothing is known about the biology of terribilis.


See the description in the nomenclature section.

Keys including this Species


From Wilson (2003): Known from the type locality, and 35 km south-southeast of Flor de Oro, Santa Cruz, Bolivia, 450 m, col. P. S. Ward.

Distribution based on Regional Taxon Lists

Neotropical Region: Bolivia, Brazil, Suriname (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.

  • terribilis. Pheidole terribilis Wilson, 2003: 764, figs. (s.w.) SURINAM.

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


DIAGNOSIS Similar in various traits to Pheidole horribilis, Pheidole minax, Pheidole ursus and Pheidole macromischoides, differing as follows.

Major: propodeal spine stout, about half as long as propodeal basal face; rear third of head smooth, with scattered foveae; a loose rugoreticulum between eye and antennal fossa on each side; frontal lobes and vertex carinulate; anterior half of promesonotum rugoreticulate, rear half smooth; postpetiolar dorsum foveolate and carinulate; gaster entirely smooth.

Minor: occiput and sides of head to level of eyes rugoreticulate; lower half of mesopleuron loosely rugose, and dorsum foveolate only, with rest of promesothorax rugoreticulate.

MEASUREMENTS (mm) Holotype major: HW 1.80, HL 1.86, SL 0.94, EL 0.20, PW 0.90. Paratype minor: HW 0.76, HL 0.70, SL 0.82, EL 0.14, PW 0.50.

COLOR Major: body, antennae, mandibles medium reddish brown; legs brownish yellow.

Minor: mesosoma, waist, and appendages light to medium reddish brown; head and gaster dark reddish brown.

Pheidole terribilis Wilson 2003.jpg

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

Type Material

SURINAME: Voltzberg Camp, Raleigh-Vallen-Voltzberg Reserve, 90 m, col. James Carpenter and D. Trail. Museum of Comparative Zoology


L terribilis, dreadful, frightful.


Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. (page 764, fig. major, minor described)

References based on Global Ant Biodiversity Informatics

  • Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.
  • 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.
  • Groc S., J. H. C. Delabie, F. Fernandez, F. Petitclerc, B. Corbara, M. Leponce, R. Cereghino, and A. Dejean. 2017. Litter-dwelling ants as bioindicators to gauge the sustainability of small arboreal monocultures embedded in the Amazonian rainforest. Ecological Indicators 82: 43-49.