Pheidole pilifera valid U.S.A. (Pennsylvania). Nearctic.
Roger, J. 1863a. Die neu aufgeführten Gattungen und Arten meines Formiciden-Verzeichnisses nebst Ergänzung einiger früher gegebenen Beschreibungen. Berliner Entomologische Zeitschrift 7:131-214.   128093

Pheidole pilifera anfracta synonym of Pheidole senex U.S.A. (New Mexico). Nearctic.
Cole, A. C., Jr. 1952c. Notes on the Pheidole pilifera (Roger) complex and a description of a new subspecies (Hymenoptera: Formicidae). Journal of the Tennessee Academy of Science 27:278-280.   123705

Pheidole pilifera artemisia synonym of Pheidole pilifera U.S.A. (Utah). Nearctic.
Cole, A. C., Jr. 1933b. Descriptions of two new ants of the genus Pheidole (Hymenoptera: Formicidae). Annals of the Entomological Society of America 26:616-618.   123680

Pheidole pilifera coloradensis synonym of Pheidole pilifera U.S.A. (Colorado). Nearctic.
Emery, C. 1895d. Beiträge zur Kenntniss der nordamerikanischen Ameisenfauna. (Schluss). Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 8:257-360.   124591

Pheidole pilifera coloradensis neomexicana unavailable U.S.A. (New Mexico). Nearctic.
Wheeler, W. M. 1908h. The ants of Texas, New Mexico and Arizona. (Part I.). Bulletin of the American Museum of Natural History 24:399-485.   130031

Pheidole pilifera coloradensis simulans unavailable U.S.A. (New York, New Jersey). Nearctic.
Wheeler, W. M. 1908h. The ants of Texas, New Mexico and Arizona. (Part I.). Bulletin of the American Museum of Natural History 24:399-485.   130031

Pheidole pilifera septentrionalis synonym of Pheidole pilifera U.S.A. (New York, Massachusetts). Nearctic.
Wheeler, W. M. 1908h. The ants of Texas, New Mexico and Arizona. (Part I.). Bulletin of the American Museum of Natural History 24:399-485.   130031

Pheidole pilifera simulans synonym of Pheidole pilifera U.S.A. (New York, New Jersey). Nearctic.
Smith, M. R. 1951c. Family Formicidae. Pp. 778-875 in: Muesebeck, C. F. W.; Krombein, K. V.; Townes, H. K. (eds.) 1951. Hymenoptera of America north of Mexico. Synoptic catalogue. United States Department of Agriculture. Agriculture Monograph 2:1-1420.   128824