TYPE SPECIES OF THE GENEEA OF ICHNEUMON FLIES. 59 



(Exenterus Hartig) = ? Cteniscus Haliday. 



Wiegm. Arch., vol. 1, 1837, p. 156. 



Type.— Tryphon marginatoriits Gravenhorst. (Monobasic.) 

 Exephanes Wesmael (=Exephanes Vollenhoven, emendation). 



Nouv. Mem. Acad. Sci. Brux., vol. 18, 1844, pp. 13, 17. Two species. 



Type. — Ichneumon hilaris Gravenhorst. (By designation of Ashmead, Proc. 

 U. S. Nat. Mus., vol. 23, 1900, p. 17.) 

 Exeristes (Foerster) Schmiedeknecht. (See Coccygomimus Saussure.) 



Verh. naturh. Ver. preuss. Rheinland, vol. 25, 1868, p. 164. No species. 



Zool. Jahrb., vol. 3, 1888, p. 448. One species. 



Type. — Pimpla roborator Gravenhorst. (Monobasic.) 

 Exetastes Gravenhorst. 



. Ich. Eur., vol. 3, 1829, p. 395. Many species. 



Type. — Ichneumon fornicator Fabricius. By designation of Westwood, Intr. 

 Mod. Class. Ins., vol. 2, 1840, Gen. Syn., p. 60. 

 Exobiacon Szepligeti. 



Term. Fuzet., vol. 25, 1902, p. 45. 



Type. — Bracon impossibilis Dalla ToRRE={Exobraco7i quMriceps Smith). 

 (Monobasic.) 

 Exochilum Wesmael. 



Bull. Acad. Sci. Belg., vol. 16 (1849), 1850, pt. 2, pp. 119, 122. 



Type. — Ichneumon circumflexus Linn^us. (Monobasic.) 



Isogenotypic with Therion Curtis. 

 Exochiscus Walsh ( = ? Tapinops Foerster). 



Trans. St. Louis Acad. Sci., vol. 3, 1873, p. 96. 



Type. — Exochiscus pusillus Walsh. (Monobasic.) 

 Exochoblastus (Schmiedeknecht) Schmiedeknecht. 



Opusc. Ich., vol. 4, fasc. 30, 1912, pp. 2401, 2468. 



Type. — Exochoblastus oreophilus Schmiedeknecht. (Monobasic.) 

 Exoclioides CRESsoN=?Alcocerus Foerster. 



Trans. Amer. Ent. Soc, vol. 2, 1868, p. 37. Two species. 



Type. — Exochoides mexicana Cresson. (By present designation.) 

 Exochus Gravenhorst. 



Ich. Eur., vol. 2, 1829, p. 328. Three species. 



Type. — Ichneumon gravipes Gravenhorst (by designation of Viereck, Proc. 

 Ent. Soc. Wash., vol. 14, 1912, p. 176); Exochus antiquus Haliday, designated 

 by Westwood, Intr. Mod. Class. Ins., vol. 2, 1840, Gen. Syn., p. 57, was not 

 originally included. 

 (Exolytus Holmgren) =Mesoleptus Gravenhorst. 



Svensk. Vet.-Akad. Handl., 1858, p. 328. 



Type. — Ichneumon laevigatus Gravenhorst. (Monobasic.) 



Isogenotypic with Mesoleptus Gravenhorst. 

 Exotela Foerster. 



Verh. naturh. Ver. preuss. Rheinland, vol. 19, 1862, p. 274. 



Type. — Exotela cyclogasterFoERSTEB.. Not described. (Monobasic.) 

 Exothecus Wesmael. 



Nouv. Mem. Acad. Sci. Brux., vol. 11, 1838, p. 73. Many species. 



Tyipe. —Exothecus affinis Wesmael. (By designation of Foerster, Verh. naturh. 

 Ver. preuss. Rheinland, vol. 19, 1862, p. 235.) 

 Exyston Schiodte. 



Guerin'sMag. Zool. Ins., 1839, p. 12. 



Type. — Ichneumon dnctulm Gravenhorst. (Monobasic.) 

 Facydes Cameron. 



Ann. Mag. Nat. Hist., vol. 7, 1901, p. 278. 



Type. — Facydes purpureo-maculatu^ CAMEitoN. (Monobasic.) 



94380°— Bull. 83—14 5 



