Pheidole morelosana

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

This species is only known from type specimens. Nothing is known about its biology.


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: Mexico (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb




The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • morelosana. Pheidole morelosana Wilson, 2003: 465, figs. (s.w.) MEXICO.

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


DIAGNOSIS Pheidole morelosana is similar in various traits to Pheidole bilimeki, Pheidole floridana, Pheidole goeldii, Pheidole grex and Pheidole rectispina, distinguished as follows.

Major: dark yellow; occiput broad and deep; pilosity dense and very long, many hairs much longer than Eye Length; humerus subangulate in dorsal-oblique view; propodeal spines long, nearly vertical to propodeal basal face in dorsal-oblique view; promesonotal profile flat in side view; postpetiolar node very low in side view and spinose from above; mesosoma entirely foveolate and opaque.

Minor: eye small, oval; all of head and mesosoma foveolate and opaque; petiolar node broad and rounded at apex; postpetiolar node low; occiput broad, its margin concave.

MEASUREMENTS (mm) Holotype major: HW 0.78, HL 0.88, SL 0.42, EL 0.08, PW 0.44. Paratype minor: HW 0.44, HL 0.50, SL 0.42, EL 0.06, PW 0.28.

COLOR Major: concolorous dark yellow except for antennae and tarsi, which are pale yellow. Minor: concolorous medium yellow except for tarsi, which are pale yellow.

Pheidole morelosana Wilson 2003.jpg

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

Type Material

MEXICO: Miacatlan, Morelos, col. A. B. Hamton. Museum of Comparative Zoology


Named after the Mexican state of origin of the type colony.