LIST OF GENERA. 151 



Polyblastus Haitii!;, Wiegm. Arcliiv. 1837, 155 48 



Polycelis Thomson, Hym. Scaiid. v, 143(1878) 77 



Polycystus Westwood, Introd. Mod. Class. Ins. Syno]). (is i I^IO) 75 



Polyergus Lalreille, Hist. Nat. xiii, 25() (1805) 94, 96 



Polygnotus Forster, Hyni. Stud, ii, 108 (1856) 85 



Polymoria Forster. Hym. Stud, ii, 31 (1856) 69 



Polypeza Forster, Hyni. Stud, ii, 123 (1856) 86 



Polysphincta Gravenhorst, It-hn. Eur. iii. 112 (1829) .50 



Pompilus Fabricius. Ent. Syst. Suppl. 212. 246 (1798) 110 



Ponera Latreille, Hist. Nat. xiii, 257 (1805) 98 



Porizon Gravenhorst, Ichn. Eur. iii, 748 (1829) 46 



Praon Haliday, Ent. Mag. i. 483 (1833) 63 



Prenolepis [Mayr, Eur. Form. 52 (1861) 95, 96 



Priocnemis Schiodto, Nat. Tids. i, 324 (1837)....^ 110 



Prionomastix Mayr, Verb, zool.-bot. Ges. Wien. xxv, 725 (1875) 71 



Prionomitus Mayr, Verli. zool.-bot. Ges. Wien, xxv, 701 (1875) 70 



Priononyx Dahlbom, Hym. Eur. i, 28 (1845) 112 



Prionopoda Holmgren, Sv. Ak. Handl. i, 120 (1855) 48 



Priophorus Dahlbom. Consp. Tenthr. 4 il835) 14 



Pristiphora Latreille, Nouv. Diet. Hist. Nat. xxviii. 153 (I8l9j 14 



Pristomerus Curtis, Brit. Ent. xiii, 624 (1836) 46 



Proceratium Roger, Berl. Ent. Zeits. 1863, 171 98 



Proctotrupes Latreille, Precis, 108 (1796) 83 



Promachus Marshall, Trans. Ent. Soc. Lond. 1887? 61 



Prosacantha Nees, Men. ii, 294 (1834) 83 



Prosapha Forster, Verb. pr. Rbeinl. 1862,266 83 



Prosopis Fabricius, Syst. Piez. 293 (1804) 131 



Proterops Wesmael, Nouv. Mem. Ac. Brux. 1835, 201 61 



Psammotherina Latreille, Fam. Nat. 453 (1825) 10(j 



Psen Latreille, Precis, 122 (1796); Pack. Proc. Ent. Soc. Phil, vi, 39() 119 



Pseudomyrma Guer., Icon. Eeg. Auim. iii, Ins. 427 (1838) 98, 100, 102 



Psilomma Forster, Hym. Stud, ii, 128 (1856) 87 



Psilonotus Thomson, Hym. Scand.. v, 81 (1878) 76 



Psilophrys Mayr, Yerh. zool.-bot. Ges. Wien, xxv. 727 (1875) 70, 71 



Ptenus Norton (Ptenos), Trans. Am. Ent. Soc. iv, 77 (1872) 14 



Pterochilus King. Web. Mohr. Beitr. i, 143 (1805) 125 



Pterocormus Forster, Wiegm. Archiv. 18,50,71. 43 



Pteromalus Swederus, (1795) ; Thorns. Hym. Scand. v, 14(). 153 77 



Pyg-ostolus Haliday, Ent. Mag. ii, 459 (1835) 60 



Pyracmon Holmgren, Sv. Ak. Handl. 1858, n. 8, 101; Ofv. 1858, 326 45 



Raphitelus Walker, Ent. Mag. 11, 178 (1834) ; Thoms. Scand. Ilym. v, 32, 37 74 



Ratzeburgia Forster, Hym. Sind. ii, 31 (1856) 69 



Rhinopsis Westwood, Arcana Eiitom. 11, 68 (1845) 113 



Rhodites Hartlg, Germ. Zeits. Ent. ii, 186 (1840) 25, 29,33 



Rhogas Nees (Ro(j<is) Act. Ac. L. C. ix. .306 (1818) 58 



Rhooptiilus Mayr, Die Gen. gallcnbw. C^ynip- 22 (1881) 31, 35 



Rhopalicus Forster, Hym. Stud. 11,66(1856) 74 



Rhopalum Kirby, Steph. (1829) ; Pack. Proc. Ent. Soc. I'liil. vi. .378 121 



Rhopus Fiirster, Hym. Stud. 11, 34 (18.5()) 69,71 



Rhysipolis Forster, Verb. pr. Rheinl. 1862, 235 56 



Rhyssa Gravenhorst, Ichn. Eur. ill, 260 (1829) .50 



