76 BULLETIN- 83, UNITED STATES NATIONAL MUSEUM. 



Idioxenus (Foerster) FoERSTER. = ?Plectiscus Gravenhorst. 



Verb, naturh. Ver.»preuss. Rheinland, vol. 25, 1868, p. 171. No species. 



Verb, naturh. Ver preuss. Rheinland, vol. 28, 1871, p. 94. Many species. 



Type. — Megastylus mediator Schiodte. (By designation of Foerster, Verh. naturh. 

 Ver. preuss. Rheinland, vol. 38, 1871, p. 94.) 

 Idotliriclius Schmiedeknecht. 



Hym. Mitteleur., 1907, p. 619. 



Type. — Tryphon (Rhaestus?) Idothrichus sericeus (Brischke) Schmiedeknecht. 

 (Monobasic.) 

 napinastes (Foerster) A^shmead. 



Verb, naturh. Ver. preuss. Rheinland, vol. 25, 1868, p. 179. No species. 



Ent. News, vol. 7, 1896, p. 320. One species. 



Type. — Hemiteles (Ilapinastes) davidsonii Ashmead. (Monobasic.) 

 neanta Cameron. 



Mem. Manchester Lit. Pbilos. Soc, vol. 43, 1899, p. 204. 



Type. — Ileanta latitarsis Cameron. (Monobasic.) 

 Imeria Cameron. 



Ann. Mag. Nat. Hist., vol. 12, 1903, p. 173. 



Type. — Imeria alhomaculata Cameron. (Monobasic.) 

 Incubus Schrank.=? Aphidius Nees. 



Faun. Boica, vol. 2, 1802, p. 316. 



Type. — Ichneumon aphidum Linnaeus. (Monobasic.) 

 Inoresa Cameron. 



Journ. Bombay Nat. Hist. Soc, vol. 19, 1909, p. 724. 



Type. — Inoresa pilosa Cameron. (Monobasic.) 

 Interaulacus Bradley. 



Trans. Amer. Ent. Soc, vol. 34, 1908, p. 123. Four species. 



Type. — Interaulacus hi^fferi Bradley. (By original designation.) 

 (locryptus Thomson) =Megaplectes (Foerster) Schmiedeknecht. 



Opusc Ent., fasc 5, 1873, pp. 470 and 472. 



TYY>e.— Ichneumon monticola Gravenhorst. (Monobasic.) 



Isogenotypic with Megaplectes (Foerster) Schmiedeknecht. 

 Iphiaulax Foerster. 



Verh. naturh. Ver. preuss. Rheinland, vol. 19, 1862, p. 234. 



Type. — Bracon impostor Scopoli, Nees. (Monobasic.) 

 Ipobracon Thomson. 



Opusc. Ent., fasc. 27, 1892, p. 1787. Five species. 



Type. — Bracon nigrator Zetterstedt (By original designation). 

 Ipoctonus (Foerster) Thomson. 



Verh. naturh. Ver. preuss. Rheinland, vol. 25, 1868, p. 199. No species. 



Opusc. Ent., fasc. 13, 1889, p. 1432. Three species. 



Type. — Ichneumon chrysostomus Gravenhorst. (By present designation.) 

 Irabatha Cameron. 



Res. Exp. Sci. Neer. Nov. Guin. Leyden. Hym., vol. 1, 1906, p. 47. 



Type. — Irabatha albispina Cameron. (Monobasic) 

 Isadelphus (Foerster) Roman. 



Verh. naturh. Ver. preuss. Rheinland, vol. 25, 1868, p. 177. No species. 



Naturw. XJnters. Sarekg. Zool., vol. 4, 1909, p. 233. Two species. 



Type. — Hemiteles inimicus Gravenhorst. (By present designation.) 

 Ischiogonus Wesmael. 



Nouv. Mem. Acad. Sci. Brux., vol. 89, 1838, p. 125. Three species. 



Type. — {Ischiogonus erythrogaster VI :e8M AEh)^Bracon) Ischiogonus leucogaster 

 (Nees). (By present designation.) 



