Name Authorship Pages Forms Locality Notes
Pheidole sitarches subsp. rufescens var. campestris Wheeler, 1908h 443 s.w. U.S.A. (Texas)
Pheidole sitarches var. transvarians Wheeler, 1908h 442 s.w. U.S.A. (Texas)
Pheidole sitiens Wilson, 2003a 348, figs. s.w. U.S.A. (Texas)
Pheidole skwarrae Wheeler, 1934g 163 s.w.q. MEXICO (Morelos)
Pheidole smithi Emery, 1887g 464
Pheidole smithii Dalla Torre, 1892 90
Pheidole soesilae Makhan, 2007c 1, figs. 1, 2 s. SURINAME
Pheidole sofia Salata & Fisher, 2020b 143, figs. 54A-F, 64L, 67D s.w. MADAGASCAR
Pheidole soritis Wheeler, 1908h 439 s.w. U.S.A. (New Mexico)
Pheidole spadonia Wheeler, 1915b 400 s.w. U.S.A. (Arizona)
Pheidole sparsa Salata & Fisher, 2020b 147, figs. 55A-F, 64M, 67E s.w. MADAGASCAR
Pheidole sparsisculpta Longino, 2009 77, fig. 22 s.w. COSTA RICA
Pheidole spathicornis Wilson, 2003a 160, figs. s.w. MEXICO (Morelos)
Pheidole spathifera Forel, 1902c 168 (diagnosis in key), 187 s.w.q.m. SRI LANKA, INDIA (Tamil Nadu, Kerala)
Pheidole spathifera var. aspatha Forel, 1902c 169 (diagnosis in key), 188 s.w. INDIA (Assam, Kerala)
Pheidole spathifera var. yerburyi Forel, 1902c 168 (diagnosis in key), 188 s.w.q. SRI LANKA
Pheidole spathipilosa Wilson, 2003a 350, figs. s.w. COSTA RICA
Pheidole specularis Wilson, 2003a 510, figs. s.w. COSTA RICA
Pheidole speculifera Emery, 1877c 373 s.w. ERITREA
Pheidole speculifera var. ascarus Emery, 1901e 62 s. ERITREA
Pheidole speculifera var. bispecula Santschi, 1930a 58 w. DEMOCRATIC REPUBLIC OF CONGO
Pheidole sperata Forel, 1915a 29 s.w. INDONESIA (Sumatra)
Pheidole sphaerica Wilson, 2003a 755, figs. s. COLOMBIA
Pheidole spielbergi Emery, 1888c 354 s.w. BRAZIL (Rio Grande do Sul)
Pheidole spilota Wilson, 2003a 233, figs. s.w. COLOMBIA
Pheidole spinicornis Eguchi, 2001b 116, fig. 48 s.w. BORNEO (East Malaysia: Sabah)
Pheidole spininodis Mayr, 1887 591, 605 (diagnoses in keys) s.w. ARGENTINA (Buenos Aires)
Pheidole spininodis var. lucifuga Santschi, 1923d 56 s.w.q. ARGENTINA (Catamarca)
Pheidole spininodis var. pencosensis Forel, 1914d 271 s.w.q.m. ARGENTINA (San Luis)
Pheidole spininodis var. solaris Santschi, 1929d 287 s.w.q.m. ARGENTINA (Catamarca)
Pheidole spinulosa Forel, 1910f 438 s.w.q.m. LESOTHO
Pheidole spinulosa r. messalina var. nexa Forel, 1913a 129 s.w. ZIMBABWE
Pheidole spinulosa r. messalina var. poweri Forel, 1914d 241 s.w. SOUTH AFRICA
Pheidole spinulosa subsp. conigera Forel, 1910f 440 s. SOUTHERN AFRICA
Pheidole spinulosa subsp. messalina Forel, 1910f 440 s.m. LESOTHO
Pheidole squalida Santschi, 1910c 364 s.w. CONGO
Pheidole steinheili Forel, 1901j 353 s.w.q.m. COLOMBIA
Pheidole stigma Wilson, 2003a 234, figs. s.w. ECUADOR
Pheidole strator Forel, 1910c 256 s.w. ERITREA
Pheidole strator r. fugax Arnold, 1920a 449, fig. 25 s.w. MOZAMBIQUE, ZIMBABWE
Pheidole strator var. tabida Menozzi, 1932g 102 s. UGANDA
Pheidole striaticeps Mayr, 1870b 987 s.w. MEXICO
Pheidole striativentris Mayr, 1879 678 s. INDIA (West Bengal)
Pheidole strigosa Wilson, 2003a 235, figs. s.w. BRAZIL (Pará)
Pheidole strobeli Emery, 1906c 149 s.w. ARGENTINA (Misiones)
Pheidole strobeli subsp. silvicola Borgmeier, 1927b 61 s.w. BRAZIL (Rio Grande do Sul)
Pheidole strobeli var. misera Santschi, 1916e 373 s.w.q. ARGENTINA (Buenos Aires)
Pheidole stulta Forel, 1886b xlvi s. BRAZIL (Bahia)
Pheidole styrax Wilson, 2003a 513, figs. s.w. VENEZUELA
Pheidole subarmata Mayr, 1884 37 s.w. FRENCH GUIANA