Pheidole gigaflavens

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

Pheidole gigaflavens casent0178026 dorsal 1.jpg

Specimen labels

Nothing is known about the biology of gigaflavens.


See the description in the nomenclature section.

Keys including this Species


Known from the type locality and Club Las Palmas, Santa Cruz, Bolivia. (Wilson 2003)

Distribution based on Regional Taxon Lists

Neotropical Region: Argentina (type locality), Bolivia, Paraguay.

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.

  • gigaflavens. Pheidole gigaflavens Wilson, 2003: 696, figs. (s.w.) ARGENTINA.

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


DIAGNOSIS An unusual species that mixes traits of the tristis and flavens groups, and is tentatively placed in the former.

Major: postpetiolar node from above very wide, bell-shaped; mesonotal convexity rudimentary; propodeal spine broad, and equilaterally triangular; petiolar node in side view tapered to a point; occiput narrower than anterior clypeal border; pilosity very sparse.

Minor: all of body except frontal triangle, mid-clypeus, and gaster foveolate and opaque; humerus subangulate in dorsaloblique view; propodeal spines reduced to denticles; petiolar node in side view tapered to a blunt point; pilosity very sparse.

MEASUREMENTS (mm) Holotype major: HW 1.36, HL 1.46, SL 0.64, EL 0.20, PW 0.66. Paratype minor: HW 0.54, HL 0.62, SL 0.58, EL 0.10, PW 0.34.

COLOR Major: body concolorous medium reddish brown, legs light reddish brown.

Minor: body medium yellowish brown (head darker than rest), legs light yellowish brown.

Pheidole gigaflavens Wilson 2003.jpg

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

Type Material

ARGENTINA: Santiago del Estero, col. James C. Trager. Museum of Comparative Zoology


Gr L gigaflavens, giant flavens, alluding to closeness to flavens group and large size.