ICHNEUMONIDAE 89 



claripennis Thomson. Remove from catalog; misidentification (see Exenterus 

 confusus Kerrich) ; not in Nearctic region. 



*confusus Kerrich. N. B., Que.; Europe. Hosts: Diprion hercyniae (Htg.), 

 Ncodiprion nanubis 7ianuJns Schedl. 

 Exenterus confusus Kerrich, 1952. Brit. Mus. (Nat. Hist.) Ent. Bui. 2 

 (6): 361, 366. 5, 2. Misdet. as E. claripennis Thomson in cata- 

 log). 



tsugae Cushman. Host: Neodiprion sp. nr. scutellatus Roh. 



walleyi Cushman. Host: Neodiprion sertifer {Geoff .) . 



Genus SMICROPLECTRUS Thomson, p. 230, Sup. 1 , p. 43 

 Excavarus Davis. Remove from syn. A valid genus. 

 annulipes (Cresson). Transf. to Excavarus Davis. 

 etrocaulus etrocaulus Mason. Transf. to Excavarus Davis. 

 etrocaulus eurits Mason. Transf. to Excavarus Davis. 

 velox Walley. Transf. to Excavarus Davis. 



Genus EXCAVARUS Davis 



A valid genus (teste Mason, 1962, p. 1293) ; not a syn. of Smicroplectrus 

 Thomson. Place after Smicroplectrus, p. 230. 



annulipes (Cresson). Transf. from Smicroplectrus Thomson, p. 230 (teste 

 Mason, 1962, p. 1293). 



etrocaulus etrocaulus (Mason). Transf. from Smicroplectrus Thomson, Sup. 

 1, p. 43 (teste Mason, 1962, 1293). 



etrocaulus eurus (Mason). Transf. from Smicroplectrus Thomson, Sup. 1, p. 

 43 (teste Mason, 1962, p. 1293). 



velox (Walley). Transf. from Smicroplectrus Thomson, p. 230 and Sup. 1, p. 

 43 (teste Mason, 1962, p. 1293). 



Genus EXYSTON Schiodte, pp. 230-231 



Anecphysis Foerster. Remove from syn. A valid subg. 

 Revision: Mason, 1959. Canad. Jour."Zool. 37: 1067-1115. 



cinctulus (Gravenhorst). Delete from Catalog (misdet.), not in Nearctic 

 fauna; is Palearctic (teste Mason, 1959, p. 1110). 

 Cteiiiscus clavatus Cresson. Remove from syn. A valid sp. in subg. Ex- 



yston Schiodte. 

 Cteniscus abdominalis Cresson. Syn. of clavatus (Cresson). 

 Mesoleptus macitlosus Provancher. Syn. of clavatus (Cresson). 

 ExYston abdominalis Ashmead. Syn. of clavatus (Cresson). 

 Rhimphalea erythrogaster Viereck. Syn. of clavatus (Cresson). 



contractus Davis. Not assignable to subg. or species (teste Mason, 1959, p. 

 1112). 



excelsus (Cresson). Placed in subg. Exyston Schiodte. 



Exyston marginatum Provancher. A valid sp. in subg. Anecphysis Fo- 

 erster. 



flavens Davis. Placed in subg. Exyston Schiodte. 



humeralis Davis. Placed in subg. Exyston Schiodte. 



nigreo Davis. Placed in subg. Anecphysis Foerster with its syn. as syn. of 

 marginatus Provancher. 



nigroscutum Davis. Not assignable to subg. or species (teste Mason, 1959, p. 

 1112). 



speciosus Davis. Placed in subg. Anecphysis Foerster. 



variatus Provancher. Placed in subg. Anecphysis Foerster. Misdet. in Cat. 

 (teste Mason, 1959, p. 1082). 



