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Species: Pheidole pilifera   (Roger, 1863) 

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See Also:

Pheidole pilifera anfracta, Pheidole pilifera artemisia, Pheidole pilifera coloradensis, Pheidole pilifera neomexicana, Pheidole pilifera pacifica, Pheidole pilifera pilifera, Pheidole pilifera septentrionalis, Pheidole pilifera simulans, Pheidole pilifera stimulans

Taxonomic History (provided by Barry Bolton, 2017)

Leptothorax pilifer Roger, 1863a PDF: 180 (w.) U.S.A. Nearctic. AntCat AntWiki HOL

Taxonomic history

Combination in Pheidole: Emery, 1895d PDF: 290.
Senior synonym of Pheidole pennsylvanica: Emery, 1895d PDF: 290; of Pheidole septentrionalis and material of the unavailable name Pheidole simulans referred here: Creighton, 1950a PDF: 186; of Pheidole artemisia, Pheidole coloradensis, Pheidole pacifica: Wilson, 2003A: 589.


Nearctic Region: Alabama, Arizona, Arkansas, California, Colorado, Georgia, Illinois, Mississippi, Missouri, New Mexico, New York, North Carolina, North Dakota, Ohio, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah
Palearctic Region: Baja California

Distribution Notes:



Sand prairie, sandy old field, or other sandy or other highly-drained, acid soil habitats (loess hills)


P. pacifica Wheeler (orig. comb. Pheidole xerophila subsp. pacifica Wheeler 1915B:404) (TL Pasadena & Lakeside) might be a distinct species.

Taxonomic Treatment (provided by Plazi)

Scientific Name Status Publication Pages ModsID GoogleMaps
Pheidole pilifera   Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa 936, pp. 1-68: -1, (download) -1 21008
Pheidole pilifera   Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press: 589-590, (download) 589-590 20017

Specimen Habitat Summary

Found most commonly in these habitats: 1 times found in Pinyon-cedar woodland, 2 times found in pinyon/juniper woodland, 0 times found in Black oak dunes, 0 times found in Mixed-canyon forest, 0 times found in Short grass prairie, 1 times found in grass, short oak scrub, 0 times found in Pine dunes, 1 times found in sparse pine woodland at river edge, 0 times found in Meadow, 1 times found in Grazed, treeless desert grassland, ...

Found most commonly in these microhabitats: 2 times nest in soil, 2 times under stone, 1 times Two small craters~2 apart, 1 times At nest, 1 times ground nest, 1 times 3 long crescentric crater in bare, fine sand at roadside.

Collected most commonly using these methods: 3 times Under rock, 5 times search, 2 times H, 0 times Roadside, 0 times In garden.

Elevations: collected from 40 - 2591 meters, 1877 meters average

Type specimens: cotype: casent0103147; Paratype: fmnhins0000062814, fmnhins0000062815, fmnhins0000077001; paratype of Pheidole pilfera artemisia: casent0901559, casent0901560; syntype of Pheidole pennsylvanica: casent0911221; syntype of Pheidole pilifera coloradensis: casent0904434, casent0904435; type of Leptothorax pilifer: focol1557, focol1558

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