Pheidole aciculata

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

The single colony reported by Stefan Cover (collection notes) was in terra firme forest, nesting in clayey soil with a small crater. (Wilson 2003)


See the description in the nomenclature section.

Keys including this Species


Distribution based on Regional Taxon Lists

Neotropical Region: Brazil, Peru (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.

  • aciculata. Pheidole aciculata Wilson, 2003: 164, figs. (s.w.) PERU.

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


A unique member of the diligens group.

Major: propodeal spines exceptionally thin, sharp, needle-like; head seen from the side forming a relatively thin ellipsoid and in full face view a symmetrical oval; petiolar node from sides acute at apex, and from behind with deeply concave dorsal border and angular corners; carinulae limited to eye level and forward on head, and every other part of the head and body almost entirely smooth and shiny.

Minor: propodeal spine very thin, acute, and needle-like; most of the head and body smooth and shiny; occiput narrowed and with a nuchal collar.

MEASUREMENTS (mm) Holotype major: HW 1.36, HL 1.58, SL 1.06, EL 0.20, PW 0.72. Paratype minor: HW 0.60, HL 0.80, SL 1.06, EL 0.16, PW 0.42.

COLOR Major: overall light reddish brown, darkening (tending to medium reddish brown) on rear half of head, dorsal surface of promesonotum, and gaster.

Minor: body medium brown, tending to yellowish brown on mesopleuron and sides of petiole and postpetiole; appendages light brownish yellow.

Pheidole aciculata Wilson 2003.jpg

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

Type Material

Museum of Comparative Zoology PERU: Cuzco Amazónico, 15 km northeast of Puerto Maldonado, Madre de Dios. col. Stefan Cover and John E. Tobin.


L aciculata, with a small needle, referring to the needle-like propodeal spines.