118 BULLETIN 83, UNITED STATES NATIONAL MUSEUM. 



Platygonalys ScHULZ=Nomadina Westwood, according to Schulz, 1907. 



Hym. Stud., 1905, p. 86. 



Type. — Plattjgonalys phylogenetica Schulz. (Monobasic.) 

 Platylabus Wesmael. 



Nouv. Mem. Acad. Sci. Brux., voL 18, 1844, pp. 150, 153. Many species. 



Type. — Platylabus rufus Wesmael. (By description of Ashmead, Proc. U. S. 

 Nat. Mus., voL 23, 1900, p. 19). 

 (Platymischos Tischbein), preoccupied =Rliyssolabus (Kkeichbaumer) Berthou- 



MIEU). 



Stett. ent. Zeit., vol. 29, 1868, p. 257. 



Type. — Platymischos hassicus Tischbein. (Monobasic). 

 (Platysoma PROVANCHER)=Aplomerus Provancher. 



Can. Ent., vol. 17, 1885, p. 115. 



Type. — Platysoma tibialis Provancher. (Monobasic.) 

 PlatyspatMus Viereck. 



Proc. U. S. Nat. Mas., vol. 40, 1911, p. 185. 



Type. — PlatyspatMus pictipennis Viereck. (Monobasic.) 

 Plaxopsis Szepligeti. 



Arkiv. Zool., vol. 2, No. 14, 1905, Heft 4, p. 1. 



Type. — Plaxopsis sjostedti Szepligeti. (Monobasic.) 

 Plectiscidea, new genus (=Plectiscus Authors, not Gravenhorst.) 



Tyi^e.^ — Pkctiscus collaris Gravenhorst. (By present designation.) 

 Plectiscus Gravenhorst (=Helictes Haliday). 



Ich. Eur., vol. 2, 1829, p. 978. Many species. 



Type. — Plectiscus imperator Gravenhorst (by designation of Westwood, Intr. 

 Mod. Class. Ins., vol. 2, Gen. Syn., 1840, p. 58); Plectiscus collaris Graven- 

 horst. (By designation of Foerster, Verb, naturh. Ver. preuss. Rheinland, vol. 

 28, 1871, p. 85.) 

 Plectiscus Authors, not Gravenhorst. (See Plectiscidea Viereck. ) 

 Plectociyptus Thomson. 



Opusc. Ent., fasc. 5, 1873, p. 519. No species. Opusc. Ent., fasc. 6, 1874, p. 599. 

 Four species. 



Type. — Ichneumon digitatus (Gmelin) Thomson. (By present designation.) 

 [Pleiomerus (Wesmael) RATZEBURG]=Adelius Haliday. 



Ich. Forstins, vol. 3, No. 20, 1852, p. 65. 



Type. — Adelius subfasciatus Haliday. (Monobasic.) 



Isogenotypic with Adelius Haliday. 

 Plesignathus (Foerster) Ashmead. 



Verb, naturh. Ver. preuss. Rheinland, vol. 25, 1868, p. 183. No species. 



Proc. TJ. S. Nat. Mus., vol. 23, 1900, p. 29. One species. 



Type. — {Phygadeuon cephalotes GRAYE'i<niOJisT) — Plesignathustransfuga (Graven- 

 horst) Ashmead. (Monobasic.) 

 Plesiobracon Cameron. 



Journ. Straits Br. Roy. Asiatic Soc, vol. 39, 1903, p. 123. 



Type. — Plesiobracon carinata Cameron. (Monobasic.) 

 Plesiocryptus Cameron. 



Zeitschr. Hym. Dip., vol. 3, 1903, p. 299. 



Type. — Plesiocryptus carinifrons Cameron. (Monobasic.) 

 Plesioexoch.us Cameron. 



Trans. South Afr. Philos. Soc, vol. 15, 1905, p. 202. 



Type. — Plesioexochus rufipes Cameron. (Monobasic.) 

 Plesiomma Foerster. 



Verb, naturh. Ver. preuss. Rheinland, vol. 25, 1868, p. 176. 



No species as yet included. 



