ICHNEUMONIDAE 65 



*arcticus (Roman). Alaska, N. W, T.; Siberia. 



Ephialtes arcticus Roman, 1914. Acad. Imp. Sci. St. Petersbourg Mem. 

 ser. 8, cl. Phys. Math. 29 (7) : 6. ?. 

 *coracinus Townes. N. Y., N. J., Md., N. C, Tex. 



Apistephialies coracinus Townes, 1960. In To^vnes and Townes, U. S. 

 Natl. Mus. Bui. 216 (Pt. 2) : 88, 89, 99. $, 9. 

 *dentatus Townes. B. C. and Alta. to Calif., Colo. Hosts: Enoclerus 

 sphegeus (F.), Thanashnus nigriventris (LeC). 

 Apistephialies deniatus Townes, 1960. In Townes and Townes, U. S. 

 Natl. Mus. Bui. 216 (Pt. 2) : 88, 97. $, 9. 

 *niasoni Townes. Alaska, Yukon, N. W. T.. Alta., Man., Ont. 



Apistephialtes masoni Townes, 1960. In Townes and Townes, U. S. Natl. 

 Mus. Bui. 216 (Pt. 2) : 89, 93. 9. 

 nucicola (Cushman). B. C, Wash., Ariz., N. Mex., Colo. Hosts: Andricus 

 galls; "Cynips maculipennis'" ; Disholcaspis eldoradensis (Beut.) ; 

 cynipid gall on oak; nuts of Corylus; Pontania gall on salix; 

 Gnorhnoschema bacharisella Busck; Periploca ceanothiella (Co- 

 sens) ; Proteoteras arizonae Kft. 

 Calliephialtes nucicola Cushman (transf. by Townes and Townes, 1960, 

 pp. 88, 89, 95). 

 petulcus (Cresson). Tex., Mex. 



Calliephialtes petulca (Cresson) (transf. by Townes and Townes, 1960, 

 pp. 88,89,97). 



tenuiventris (Holmgren). Hosts: Melanophila consputa Lee, Xiphydria sp.; 



sawfly in bark. 

 Pimpla tenuiventris (Holmgren) (transf. by Townes and Townes, 1960, 



pp. 88, 89). 

 Ephialtes pusio Walsh (transf. and syn. by Townes and Townes, 1960, p. 



89). 



variatipes (Provancher) . Ont. to N. J. west to Minn. Host: Cariarsia ulmiar- 



rosorella (Clem.). 

 Calliephialtes variatipes (Provancher) (transf. by Townes and Townes, 



1960, pp. 88, 89, 91). 

 Calliephialtes stultor (Davis) (transf. and syn. by Townes and Townes, 



1960, p. 92). 



Genus EPHIALTES Gravenhorst, Sup. 1, p. 37 

 IzzPimpla of Catalog, pp. 188-189) 



Closterocerus Hartig. Transf. to syn. of Dolichoniitus Smith. 

 Dolichomitus Smith. Valid genus. 



Diclosterocerus Viereck. Transf. to syn. of Dolichomitus Smith. 

 Exeristeroidea Viereck. Place as syn. of Dolichomitus Smith. 



brevis Morley. Alta. to Que. Hosts: Megachile inermis Prov., M. nivalis 

 Friese, M. sp. 



cephalotes (Holmgren). Transf . to Dolichomitus Smith. 



*decumbens (Townes), n. comb. B. C, Calif., Colo., Iowa. 



Pimpla decumbens Townes, 1960. hi Townes and Townes, U. S. Natl. 

 Mus. Bui. 216 (Pt. 2): 102. $, 9. 



dolichosoma Viereck. Transf. to Dolichomitus Smith. 



gigas Walsh. Transf. to Dolichomitus Smith as syn. of messor perlongus 



(Cresson). 



imperator (Kriechbaumer) . Transf. to Dolichomitus Smith. 

 irritator (Fabricius). Transf. to Dolichomitus Smith. 



macer Cresson. Host : "N. brevicomis" in Pinus pondcrosa. 



Taxonomy (identity of species) : Townes and Townes, 1960, pp. 104-105 

 (under Pimpla) . 

 perlongus (Cresson). Transf. to Dolichomitus Smith as subsp. of messor 



(Gravenhorst). 

 pterelas (Say). Transf. to Dolichomitus Smith. 



