ASHMEAD : CLASSIFICATION OF THE CHALCID FLIES 387 



Psilocera Walker, Ent. Mag., I., 1833, pp. 371, 373. (Type P. obscura Walk.) 

 Psilogaster Blanchard, Hist. Nat. d. Ins., III., 1840, p. 260. (Type F. cupreus Blanch.) 

 Psilonotus Walker, Ent. Mag., II., 1834, pp. 168, 179. (Type P. adamas Walk.) 

 Psilophrys Mayr, Yerh. Zool-bot. Gesell. Wien, XXV., 1875, p. 727. (Type Encyrtus longicornis 



Walk.) 

 Psyllsephagus Ashmead, Proc. U. S. Nat. Mus., XXII., 1900, pp. 339, 345. (Type Encyrtus 



paehypsyllce How.) 

 Pteratomus Packard (= PackardieUa Ashmead), Proc. Essex Ins., IV., 1864, p. 137. 

 Pterolycus Ratzeburg (= llerostenus Walker), Ichn. d. Forstiiis., II., 1848, p. 208. 

 Pteromalites Heer (Fossil), Urwelt d. Schweis., 1863, p. 388. (Type P. oeningensis Heer.) 

 Pteromalodes Dahlbom, Ofvers. Svensk. Vet.-Akad. Fbrh., XIV., 1857, p. 295. 

 Pteromalus Swederus, Svensk. Vet.-Akad. Handl., XVI., 1793, p. 200. (Type Ichneumon 



puparum Linn§.) 

 Pteroncoma Forster (= Platynocheilus Westwood), Beitr. Monogr. Pteromal., 1841, p. 34. 

 Pterothrix Dalla Torre (n. n. for Pteroptrix Westw. emend.), Cat. Hym., V., 1898, p. 218. 

 Pteroptrix Westwood, Lond. & Edinb. Phil. Mag. (3), III., 1833, p. 344. (Type P. dimidiatus 



Westw.) 

 Pterosema Forster, Verb, naturh. Ver. pr. Rheinl., XXXV. 1878, p. 44. (Type P. varicolor 



F(5rst.) 

 Pterotrix Walker (= Pteroptrix Westw. (partim) = Gyrolasia Forster), Monogr, Chalc., I., 1839, 



p. 12. 

 Ptinobius Ashmead, Proc. Ent. Soc Washington, IV., 1895, p. 11. (Type Charitopus magnijicus 



Ashm.) 



R. 



Rachistus Forster (= Gonatocerus Nees), Linnaea Ent., II., 1847, p. 203. 

 Raphitelus Harris (■= Rhaphitelus Walk.), Rep. Ins. Mass., 3d Ed., 1842, p. 586. 

 Ratzeburgia Forster (n. n. for Eusandalum Ratzeburg), Hym. Stud., II., 1856, p. 31. 

 Rhachistus Dalla Torre (n. n. for Rachistus Forster), Cat. Hym., V., 1898, p. 429. 

 Rhaphidotelus Forster (n. n. for Rhaphitelus Walker), Hym. Stud., II., 1856, p. 62. 

 Rhaphitelus Walker, Ent. Mag., IL, 1833, pp. 168, 178. (Type R. maculatus Walk.) . 

 Rhicnopelte Forster, Verb. d. naturh. Ver. pr. Rheinl., XXXV., 1878, p. 55. (Type R. fulvi- 



ventris Forst.) 

 Rhipipallus Kirby, Jouru. Linn. Soc. London, Zool., XX., 1886, p. 31. (Type Eucharis volueus 



Walk.) 

 Rhopalicus Forster, Hym. Stud., IL, 1856, p. 66. (Type Pteromalus guttatus Ratzeb.) 

 Rhopalotus Forster, Hym. Stud., II. , 1855, p. 78. (Type Elachestus cothurnatus Nees.) 

 Rhopoideus Howard, Proc. U. S. Nat. Mus., XXL, 1898, p. 235. (Type R. citrinus How.) 

 Rhopus Forster (= Metallon Walker), Hym. Stud., IL, 1856, p. 34. 

 Rhytidothorax Ashmead, Proc. U. S. Nat. Mus., XXIL, 1900, pp. 337, 344. (Type R. marlatti 



Ashm.) 



