Name Authorship Pages Forms Locality Notes
Pheidole sculpturata r. zambesiana Forel, 1913a 133 s.w. ZIMBABWE
Pheidole sculpturata st. dignata Santschi, 1915c 250 s.w. CONGO
Pheidole sculpturata subsp. katonae Forel, 1907d 21 w. TANZANIA
Pheidole sculpturata var. areolata Forel, 1911g 269 s.w. SOUTH AFRICA
Pheidole sebofila Longino, 2009 74, fig. 21 s.w. COSTA RICA
Pheidole securiger Wilson, 2003a 751, figs. s.w. COLOMBIA
Pheidole seeldrayersi Forel, 1910a 30 s.w.q. COLOMBIA
Pheidole selathorax Zhou, 2001a 125, 235, figs. 230-232 s.w. CHINA (Guangxi)
Pheidole seligmanni Wilson, 2003a 230, figs. s.w. COLOMBIA
Pheidole semidea Fischer et al., 2012 38, figs. 63-68 s.w. NIGERIA
Pheidole semilaevis var. geraesensis Santschi, 1929d 287 s.w. BRAZIL (Minas Gerais)
Pheidole senex Gregg, 1952a 1 s.w. U.S.A. (Colorado)
Pheidole sensipelada Longino, 2019 57, pl. 52 s.w. COSTA RICA
Pheidole sepulchralis Bingham, 1903 255 s. MYANMAR
Pheidole sepultura Longino, 2019 58, pl. 37 s.w. MEXICO (Chiapas)
Pheidole sericella Viehmeyer, 1914b 33 s.w. NEW GUINEA (Papua New Guinea)
Pheidole servilia Wilson, 2003a 507, figs. s.w. COLOMBIA
Pheidole setosa Fischer et al., 2012 40, figs. 69-71 w. DEMOCRATIC REPUBLIC OF THE CONGO
Pheidole setsukoae Wilson, 2003a 597, figs. s.w. MEXICO (Sinaloa)
Pheidole severini Forel, 1904e 171 s.w. FRENCH GUIANA
Pheidole sexspinosa Mayr, 1870b 977 s.w. TUVALU
Pheidole sexspinosa r. biroi var. ralumensis Forel, 1901c 14 (in text) w. NEW GUINEA (Papua New Guinea)
Pheidole sexspinosa subsp. biroi Emery, 1900b 323 s.w.m. NEW GUINEA (Papua New Guinea)
Pheidole sexspinosa var. fuscescens Emery, 1900b 323 s.w. NEW GUINEA (Papua New Guinea)
Pheidole sharpi Forel, 1902c 169 (diagnosis in key), 188 s.w. INDIA (Tamil Nadu, Maharashtra, Karnataka)
Pheidole sharpi r. hoogwerfi Forel, 1902c 170 (diagnosis in key), 189 s.w.q.m. INDIA (Maharashtra)
Pheidole sicaria Wilson, 2003a 232, figs. s.w. COSTA RICA
Pheidole sigillata Wilson, 2003a 754, figs. s.w. BRAZIL (São Paulo)
Pheidole sikorae Forel, 1891c 223 s.w. MADAGASCAR
Pheidole sikorae var. litigiosa Forel, 1892l 526 s.w.q. MADAGASCAR
Pheidole silenus Smith, 1858a 176 s.w. SINGAPORE
Pheidole silvestrii Emery, 1906c 146 s.w.q. ARGENTINA (Tucumán)
Pheidole silvestrii var. pullula Santschi, 1911b 53 s.w.q. ARGENTINA (Buenos Aires)
Pheidole similigena Wheeler, 1937b 446 s.w. CUBA
Pheidole similis Salata & Fisher, 2020c 49, figs. 22A-F, 27N, 28N s.w. MADAGASCAR
Pheidole simoni Emery, 1893i 266 s. PHILIPPINES (Luzon)
Pheidole simonsi Wilson, 2003a 630, figs. s.w. COSTA RICA
Pheidole simplispinosa Sarnat, 2008 26, figs. 47-49, 68-70, 89-91 s.w.q. FIJI (Koro)
Pheidole sinaitica Mayr, 1862 745 s.w. EGYPT
Pheidole sinaitica subsp. laticeps Mayr, 1904b 6 s.w. EGYPT
Pheidole singaporensis Özdikmen, 2010b 804
Pheidole singaporensis zolara Fisher, 2025 99
Pheidole singularis Smith, 1863a 22 s. INDONESIA (Misool)
Pheidole sitarches Wheeler, 1908h 440 s.w.q. U.S.A. (Texas)
Pheidole sitarches subsp. campestris Creighton, 1950a 189 s.w. U.S.A. (Texas)
Pheidole sitarches subsp. littoralis Cole, 1952b 443 s.w. U.S.A. (Florida)
Pheidole sitarches subsp. rufescens Wheeler, 1908h 443 s.w.q. U.S.A. (Texas)
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)