Pheidole palenquensis

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

This species is only known from type specimens. The type series was collected in forest. (Wilson 2003)


See the description in the nomenclature section.


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




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

  • palenquensis. Pheidole palenquensis Wilson, 2003: 482, figs. (s.w.) ECUADOR.

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 albipes, Pheidole alticola, Pheidole chalca, Pheidole ebenina, Pheidole euryscopa, Pheidole lustrata, Pheidole hedlundorum, Pheidole monteverdensis and Pheidole servilia, distinguished as follows.

Major: very small; head quadrate; dorsal occiput covered by broken, irregular rugulae, rest of dorsal head surface carinulate except for frontal triangle and midclypeus, which are smooth; all of body foveolate and opaque except gaster, which is smooth and shiny; antennal scapes moderately long, their tips touching lateral margins of the head midway between level of eyes and level of occiput; propodeal spines curved backward (“melted” in appearance).

Minor: eye oval, set well forward on head; promesonotal profile in side view perfectly semicircular; propodeal spines curved or straight; carinulae limited to antennal fossae, and all of head and mesosoma foveolate and opaque.

MEASUREMENTS (mm) Holotype major: HW 0.66, HL 0.66, SL 0.40, EL 0.06, PW 0.34. Paratype minor: HW 0.42, HL 0.44, SL 0.42, EL 0.08, PW 0.26.

COLOR Major: body dark reddish yellow, appendages medium yellow.

Minor: body light brownish yellow, appendages medium yellow. 

Pheidole palenquensis Wilson 2003.jpg

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

Type Material

ECUADOR: Rio Palenque Station, 47 km south of Santo Domingo de los Colorados, Pichincha, 215 m, col. S. and J. Peck. Museum of Comparative Zoology


Named after the type locality.


References based on Global Ant Biodiversity Informatics

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