Operator Osten Sacken, 1862, Proc. Ent. Soc. Phila. 1: 257.
Opima Kinsey. Present assignment.
Osten-sackenii Bassett, 1863, Proc. Ent. Soc. Phila. 2: 327.
Ostreus Giraud, by Kaltenbach, 1867, Verh. Ver. Rheinl. 24: 67 (acc. D.T. 93: 93).
Ozark Kinsey. Present assignment.
Packorum Kinsey. Present assignment.
Palliceps Hartig, by Westwood, 1854, Trans. Ent. Soc. London 3 (2): 21 (acc. D.T.93: 113).
Pallida Olivier, by Fairmaire, 1846, Ann. Soc. Ent. France 1846: XXX.
Pallidicomis Curtis, 1838, Brit. Ent. :688.
Pallipes Bassett. Present assignment.
Palustris Osten Sacken, 1861, Proc. Ent. Soc. Phila. 1: 63.
Panteli Tavares, 1902, Ann. Sei. Nat. Porto 7: 42.
Papillata Osten Sacken, 1865, Proc. Ent. Soc. Phila. 4: 352.
Papula Bassett, 1881, Canad. Ent. 13: 107.
Patelloides Weld. Present assignment.
Pattoni Bassett, 1881, Canad. Ent. 13: 98.
Pedestris Curtis, 1838, Brit. Ent.: 688.
Pedunculata Bassett, by Ashmead in Packard, 1890, 5th Rpt. U.S. Ent. Comm.: 114.
Pedunculi Linnaeus, 1758, Syst. Nat. ed. 10, 1: 554.
Perlae Müller, 1764, Fauna Ins. Fridrichsdal : 68 (acc. D.T.93: 74).
Petiolata Zetterstedt, 1838, Ins. Lappon. 1: 409 (acc. D.T.93: 13).
Petiolata Thomson, 1877, Opus. Ent. 8: 788.
Petioli Linnaeus, 1758, Syst. Nat. ed. 10, 1: 554.
Petioli Hartig, by Kaltenbach, 1867, Verh. Ver. Rheinl. 24: 63 (acc. D.T. 93: 93).
Petiolicola Bassett, 1863, Proc. Ent. Soc. Phila. 2: 325.
Pezizaeformis Schlechtendal, by Kaltenbach, 1874, Pflanzenfeinde: 672.
Pezomachoides Osten Sacken, 1862, Proc. Ent. Soc. Phila. 1: 250.
Phellos Osten Sacken, 1861, Proc. Ent. Soc. Phila. 1: 70.
Picta Hartig, in Rosenhauer, 1856, Th. Andalus.:374 (acc. D.T.93: 75).
Pigra Bassett, 1881, Canad. Ent. 13: 105.
Pisum Fitch, 1859, 5th Rpt. Nox. Ins. N.Y.: 818.
Plumbea Weld, 1926, Proc. U.S. Nat. Mus. 68 (10): 64, fig. 12.
Podagrae Walsh, 1864, Proc. Ent. Soc. Phila. 3: 492.
Polita Bassett, 1881, Canad. Ent. 13: 99.
Politus Hartig, by Kaltenbach, 1867, Verh. Ver. Rheinl. 24: 63 (acc. D.T.93: 108).
Polycera Giraud, 1859, Verh. zoo.-bot. Ges. Wien 9: 340.
Pomaceus Fourcroy, 1785, Ent. Paris 2: 381 (acc. D.T.93: 100).
Pomiformis Bassett, 1881, Canad. Ent. 13: 74.
Potentillae Retzius, 1783, Gen. & Spec. Ins.: 70 (acc. D.T.93: 119).
Prinoides Beutenmüller, 1892, Bull. Amer. Mus. Nat. Hist. 4: 257, pi. 11 fig. 6.
Prunus Walsh and Riley, 1869, Amer. Ent. 1: 104.
Psenes Linnaeus, 1758, Sys. Nat. ed. 10, 1: 554.
