Pheidole geminata

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

Pheidole geminata jtlc000016385 p 1 high.jpg

Pheidole geminata jtlc000016385 d 1 high.jpg

Specimen Labels

The type series is from mossy montane forest, and the 520 m Santo Domingo de las Colorados colony from submontane rainforest. A winged queen from the latter locality was collected on 4 June. (Wilson 2003)


See the description in the nomenclature section.

Keys including this Species


From Wilson (2003): Known from the type locality and two localities near Santo Domingo de los Colorados, Pichincha, col. S. and J. Peck.

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.

  • geminata. Pheidole geminata Wilson, 2003: 426, 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.


Similar to Pheidole micridris but distinguished from it and other Pheidole species as follows.

Major: head in full-face view quadrate, with Head Width equaling Head Length; eyes set well forward on head; pilosity sparse, especially so on mesosomal dorsum, where it comprises widely and evenly spaced pairs of setae; mesonotal convexity low but well developed in side view; propodeal spines as long as half the propodeal basal face and directed backward; postpetiole oval from above; carinulae limited to eye level on head and anterior to it; all of head, mesosoma, and petiole foveolate.

Minor: eye set far forward on head; posterior half of ventral head profile weakly concave; pilosity sparse, and on mesosomal dorsum comprising widely and evenly spaced pairs of setae; all of head, mesosoma, and petiole foveolate.

MEASUREMENTS (mm) Holotype major: HW 0.92, HL 0.92, SL 0.58, EL 0.12, PW 0.42. Paratype minor (Tinlandia, Ecuador): HW 0.40, HL 0.44, SL 0.42, EL 0.06, PW 0.24.

COLOR Major: body dark brown, mandibles medium brown, other appendages brownish yellow. Minor: body yellowish brown, appendages dark yellow.

Pheidole geminata Wilson 2003.jpg

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

Type Material

Holotype, major: 20–30 km east-northeast of Alluriquin on Chiriboga Road, Pichincha, Ecuador, 1400–1800 m. Paratype, minor: Tinlandia, 16 km southeast of Santo Domingo de Los Colorados, Pichincha, Ecuador, 520 m. Museum of Comparative Zoology


L geminata, pair, twinned, referring to the paired mesosomal setae.