Pheidole sitiens

AntWiki: The Ants --- Online
Pheidole sitiens
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Attini
Genus: Pheidole
Species: P. sitiens
Binomial name
Pheidole sitiens
Wilson, 2003

Pheidole sitiens casent0104754 profile 1.jpg

Pheidole sitiens casent0104754 dorsal 1.jpg

Specimen Label

Nothing is known about the biology of sitiens.

Identification

See the description in the nomenclature section.

Keys including this Species

Distribution

Only known from the type locality.

Latitudinal Distribution Pattern

Latitudinal Range: 29.224203° to 26.580054°.

 
North
Temperate
North
Subtropical
Tropical South
Subtropical
South
Temperate

Distribution based on Regional Taxon Lists

Nearctic Region: United States (type locality).

Distribution based on AntMaps

AntMapLegend.png

Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.
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Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.
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Biology

Castes

Worker

Minor

Images from AntWeb

Pheidole sitiens casent0104926 head 1.jpgPheidole sitiens casent0104926 profile 1.jpgPheidole sitiens casent0104926 dorsal 1.jpgPheidole sitiens casent0104926 label 1.jpg
Worker. Specimen code casent0104926. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by CAS, San Francisco, CA, USA.
Pheidole sitiens casent0103406 head 1.jpgPheidole sitiens casent0103406 profile 1.jpgPheidole sitiens casent0103406 dorsal 1.jpg
Worker. Specimen code casent0103406. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by CAS, San Francisco, CA, USA.

Major

Images from AntWeb

Pheidole sitiens casent0104754 head 1.jpgPheidole sitiens casent0104754 profile 1.jpgPheidole sitiens casent0104754 dorsal 1.jpgPheidole sitiens casent0104754 label 1.jpg
Worker (major/soldier). Specimen code casent0104754. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by CAS, San Francisco, CA, USA.
Pheidole sitiens casent0104755 head 1.jpgPheidole sitiens casent0104755 profile 1.jpgPheidole sitiens casent0104755 dorsal 1.jpgPheidole sitiens casent0104755 label 1.jpg
Worker (major/soldier). Specimen code casent0104755. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by CAS, San Francisco, CA, USA.

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • sitiens. Pheidole sitiens Wilson, 2003: 348, figs. (s.w.) U.S.A.

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

Description

A member of the fallax group, similar to Pheidole ariel, Pheidole desertorum, Pheidole hyatti, Pheidole portalensis, Pheidole skwarrae and Pheidole vistana, distinguished as follows.

Major: antennal scape just attaining the occipital corner; propodeal spines equilaterally triangular; anterior and lateral margins of pronotum covered by continuous “wraparound” carinulae; posterior half and entire median strip of head, as well as promesonotal dorsum and all of gaster, smooth and shiny; pilosity dense, erect to suberect, and long, many of the hairs as long as Eye Length.

Minor: propodeal spines reduced to denticles; posterior half of head and all of pronotal dorsum and of gaster smooth and shiny; occiput slightly narrowed, with very thin nuchal collar.

MEASUREMENTS (mm) Holotype major: HW 1.48, HL 1.60, SL 1.18, EL 0.24, PW 0.40. Paratype minor: HW 0.60, HL 0.76, SL 0.96, EL 0.20, PW 0.40.

COLOR Major: concolorous light brownish brown.

Minor: body plain medium brown; mandibles and tarsi dark yellow; other appendages light brown.


Pheidole sitiens Wilson 2003.jpg

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

Type Material

TEXAS: 24 km northwest of Carrizo Springs, Dimmit Co., col. O. F. Francke, J. V. Moody, F. W. Merickel. Museum of Comparative Zoology

Etymology

L sitiens, thirsty, referring to life in the dry habitat of the type locality.

References

References based on Global Ant Biodiversity Informatics

  • Wilson, E.O. 2003. Pheidole in the New World: A Dominant, Hyperdiverse Genus. Harvard University Press