Name Authorship Pages Forms Locality Notes
Pheidole rectisentis Wilson, 2003a 494, figs. s.w. NICARAGUA
Pheidole rectispina Wilson, 2003a 495, figs. s.w. COSTA RICA
Pheidole rectitrudis Wilson, 2003a 496, figs. s.w. COSTA RICA
Pheidole rehi Forel, 1900h 285 s.w.q.m. VENEZUELA
Pheidole reichenspergeri Santschi, 1923d 49 s.w. BRAZIL (Rio de Janeiro)
Pheidole renae Wilson, 2003a 497, figs. s.w. COSTA RICA
Pheidole renirano Salata & Fisher, 2020b 132, figs. 51A-F, 64I, 67A s.w. MADAGASCAR
Pheidole retivertex Eguchi, 2001b 104, fig. 42 s.w.q.m. BORNEO (East Malaysia: Sabah)
Pheidole retronitens Santschi, 1930a 59 s.w. DEMOCRATIC REPUBLIC OF THE CONGO
Pheidole rhea Wheeler, 1908h 452 q. U.S.A. (Arizona)
Pheidole rhinoceros Forel, 1899e 73, pl. 3, fig. 23 s.w. PANAMA
Pheidole rhinomontana Longino, 2009 71, fig. 20 s.w. COSTA RICA
Pheidole rhombinoda Mayr, 1879 678 s. INDIA (West Bengal)
Pheidole rhombinoda subsp. stella Forel, 1911f 380 s. INDIA (Sikkim)
Pheidole rhombinoda var. formosensis Forel, 1913g 193 s.w.q.m. TAIWAN
Pheidole rhombinoda var. micantiventris Mayr, 1897 427 s. SRI LANKA
Pheidole rhombinoda var. taprobanae Forel, 1902c 178 (diagnosis in key), 195 s.w. SRI LANKA
Pheidole rhytifera Wilson, 2003a 739, figs. s.w. VENEZUELA
Pheidole ridicula Wheeler, 1916i 29, fig. 1 s. U.S.A. (Texas)
Pheidole rima Longino, 2019 55, pl. 35 s.w.q. MEXICO (Veracruz)
Pheidole rinae Emery, 1900 687 s. INDONESIA (Sumatra)
Pheidole rinae r. tipuna Forel, 1912a 68 s.w. TAIWAN
Pheidole rinae subsp. hongkongensis Wheeler, 1928c 11 s.w.q. CHINA (Hong Kong)
Pheidole rinae subsp. incensa Wheeler, 1928c 13 s.w. CHINA (Fujian)
Pheidole rinae subsp. taipoana Wheeler, 1928c 12 s.w. CHINA (Hong Kong)
Pheidole rinae var. mala Forel, 1911b 205 s.w. INDONESIA (Java)
Pheidole risi subsp. trachyderma Emery, 1906c 148 s.w.q. ARGENTINA (Misiones)
Pheidole risii Forel, 1892a 38 s.w.q.m. ARGENTINA (Buenos Aires)
Pheidole riveti Santschi, 1911i 278 s.w.q. ECUADOR
Pheidole riveti var. inflexa Santschi, 1923d 58 s. ECUADOR
Pheidole roberti Forel, 1902c 183 (diagnosis in key), 198 s.w. INDIA (Karnataka)
Pheidole rogeri Emery, 1896g 64 s. COSTA RICA
Pheidole rogeripolita Longino, 2019 56, pl. 58 s.w.q. COSTA RICA
Pheidole rogersi Forel, 1902c 182 (diagnosis in key), 197 s.w. INDIA
Pheidole rogersi var. taylori Forel, 1902c 182 (diagnosis in key), 198 s.w. INDIA (Odisha)
Pheidole rohani Santschi, 1925h 160, fig. 11 w. ANGOLA
Pheidole rohani st. pellax Santschi, 1930b 63, fig. 2c,d s.w. ANGOLA
Pheidole rojasae Vázquez-Franco, 2024 203, figs. 7-9, 10C s.w.q. MEXICO (Puebla)
Pheidole rosae Forel, 1901m 63 s. BRAZIL (Santa Catarina)
Pheidole rosula Wilson, 2003a 743, figs. s.w. ARGENTINA (Buenos Aires)
Pheidole rotundata Forel, 1894b 92 s.w. MOZAMBIQUE
Pheidole rotundata st. costauriensis Santschi, 1914a 433 s. GHANA
Pheidole rotundata subsp. ilgii Forel, 1907f 139 w.q.m ETHIOPIA
Pheidole rotundiceps Wilson, 2003a 744, figs. s. ECUADOR
Pheidole roushae Wilson, 2003a 344, figs. s.w. MEXICO (Veracruz)
Pheidole rubiceps Wilson, 2003a 345, figs. s.w. VENEZUELA
Pheidole rubra Smith, 1860b 111 s.w. INDONESIA (Bacan)
Pheidole rubrobrunea Dalla Torre, 1892 91
Pheidole rufipilis Forel, 1908 371 s.w. BRAZIL (São Paulo)
Pheidole rufipilis st. industa Santschi, 1939e 316, fig. 3 s.w. URUGUAY