Pheidole securigera

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

The type colony was collected in spiny bamboo forest (Guadua). A male was present in the nest at the time of collection 1–4 June. (Wilson 2003)

Identification

See the description in the nomenclature section.

Keys including this Species

Distribution

Only known from the type locality.

Distribution based on Regional Taxon Lists

Neotropical Region: Colombia (type locality).

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Biology

Castes

Nomenclature

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

  • securigera. Pheidole securiger Wilson, 2003: 751, figs. (s.w.) COLOMBIA.

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

Description

DIAGNOSIS Similar to Pheidole pidax, Pheidole rosae, Pheidole rosula, and especially to Pheidole guayasana, differing as follows.

Major: reddish yellow; frontal lobes extended forward as conspicuous right-angular and slightly upward-turning processes, seen from the side; antennal scrobes present, each followed posteriorly by a patch of rugoreticulum; rugoreticulum absent from anterior half of head; occipital lobes in full-face view tending toward subangulate; posterior half of pronotal profile smoothly convex in dorsaloblique view; metanotum and dorsal propodeal face covered by transverse carinulae.

Minor: propodeal spines small, but well developed; entire promesonotal dorsum transversely carinulate; lateral margins of posterior half of head entirely carinulate.

MEASUREMENTS (mm) Holotype major: HW 1.58, HL 1.72, SL 0.78, EL 0.16, PW 0.80. Paratype minor: HW 0.64, HL 0.68, SL 0.80, EL 0.04, PW 0.42.

COLOR Major: body dark reddish yellow, gaster plain medium brown, appendages medium yellow.

Minor: body light brownish yellow, appendages clear medium yellow.


Pheidole securigera Wilson 2003.jpg

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

Type Material

COLOMBIA: Finca Los Guaduales, 10 km southwest of San José del Palmar, Rio Torito, 800 m, col. Charles Kugler. Museum of Comparative Zoology

Etymology

L securiger, axe-bearing, alluding to the extended frontal lobes.

References

Wilson, E. O. 2003. Pheidole in the New World: A dominant, hyperdiverse ant genus. Harvard University Press, Cambridge, MA. Text and images from this publication used by permission of the author.