150 (JENERA OF HYMENOPTERA. 



Perlclistus Forster, Verb, zool.-bot. Ges. Wicn, vix, 337(1869) 27, 31, M 



Perilampus Latreille. Gen. Crust. Ins. iv, 30 (1809) 67 



Perilissus (Forster) Holmgren, Sv. Ak. Handl. 1855, 121 48 



Perilitus N'ees, Act. Ac. L. C. ix, 302 (1818) 60 



Perisemus Forster, Hym. Stud, ii, 95 (ia")(i) 82 



Perithous Holmgren. Ofv. 1859, 123; Sv. Ak. Handl. 1860, n. 10, 15 50 



Petalodes Wesmael, Xouv. Mem. Ac. Brux. 18.38, 123 58 



Pezolochus Forster, Wiegm. Archiv. 18.')0, 103 43 



Pezomachus Gravenhorst, Ichn. Eur. ii, 867 (1829) 43 



Phsedrotoma Fiir.ster. Verh. pr. Rlieinl. 1862, 260 62 



Phsenocarpa Forster, Verli. jir. Rlieinl. 1862. 267 62 



Phsenodiscus For.ster (Diseodes \\ ), Hym. Stud, ii, 32, 141 (185<>) 69, 71 



Phseogenes Wesmael, Nouv. Mem. Ac. Brux. xviii, 166 (1845) 41 



Phanacis Forster, Verh. pr. Rlieinl. 1860, 146 31 



Phanerotoma Wesmael, Nouv. Mem. Ac. Brux. 1838, 165 .59 



Phanomeris Forster. Verh. pr. Rlie.nl. 1862, 235 56 



Pharsalia Cresson, Trans. Am. Ent. Soc. iv, 177 (1872) 44 



Phasgonophora Westwood. (hiff. Anim. Kiugd. xv. 432 (18:i2) 67 



Pheidole Westwood, Ann. Mag. Nat. Hist, vi, 87 (1841) KM), 101. 102 



Philanthus Fabricius, Ent. Syst. ii, 2»8 vl793) 118 



Phileremus Latreille, (Jen. Crust. Ins. iv, 169 (1809) 132 



Philomides Haliday, Ann. Soc. Ent. Fr. 4 ser. ii, 115 (1862) 67 



Photismus Thomson, Hym. Scand. v, 15 (1878) 74 



Photopsis Blake, Trans. Xm. Ent. Soc. xiii, 2.57 (1886) ... 107 



Phygadeuon Gravenhorst, Ichn. Eur. ii, 635 (1829) 42 



Phyllotoma Fallen, Men. Tenthr. Suec. 5, 25 (1829) 19 



Phsmiatocera Dahlhom. Consp. Tenthr. 4 (1835) 15 



Phytodietus Gravenhorst, Ichn. Eur. ii, 928 (1829) ,51 



Picroscytus Thomson, Hym. Sc^nd. v, 58 (1878) 75 



Pimpla Fabricius, Syst. Piez. 112 (1804) 50 



Pinicola Brcb., see Xyela 18 



Pirene Haliday, Ent. Mag. i. 336 (1833) 72 



Pison Spinola. Ins. Lig. ii. 2.56 (1808) 114 



Plagiotrochus Mayr, Die (ien. gallenbw. Cynip. 32 (1881) 32, 35 



Planiceps Latreille Diet. Class. Hist. Nat. xiv, 14. (1828) 110 



Plastocharis For.ster ( Triphasiiis || ) Hym. Stud, ii, 8.3. 145 (18.56; 71 



Platygaster Latreille, Gen. Crust. Ins. iv, 31 (ISO})) 85 



Platyg-errhus Thomson, Hym. Scaud. v, 13 (1878) 74 



Platylabus Wesmael, Nouv. Mem. Ac. Brux. xviii, 1,50 (1845) 41 



Platymischus Westwood, Lond.-Edinb. Phil. Mag. i, 128 (1832) 86 



Platynochilus Westwood. Ent. Mag. iv. 4.3(). tig. (1837) 78 



Platytermus Thom.son, Hym. Scand. v, 75 (1878; 76 



Plectiscus Gravenhorst, Ichu. Eur. ii 978(1829) 46 



Pleuropachys Westwood, Ent. Mag. iv. 437, fig. (1837) 79 



Pleurotropis Forster, Hyni. Stud. ii. 78 (18.56) 79 



Podagrion Spinola, Ann. Mus. xvii, 147 (1811) 67 



Podium Fabricius, Sy.st. Piez. 183 (1804) 112 



Poecilostoma Dahlbom, Consp. Tenthr. 9, 13 (1835) 16, 19 



Pogonomyrmex Mayr, Ann. Soc. Nat. Modena, iii, 169 (18()8) 99, 101. 102 



Polistes Litnilic, Hist. Nat. iii, 363 (1802); xiii. .348 (1805) 126 



Polybia St. Fargeau, Hym. i, 5153 (1836) 126 



