158 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



citatus (Provancher) . 



Ichneumon merus Cresson. Remove from syn. and place as syn. of 



nortonii ( Cresson ) . 

 Tricholobus tricolor (Davis) (syn. teste Heinrich, 1961, Pt. IV, p. 391). 



*foxIeei Heinrich. B. C, Calif. 



Tricholabus foxleei Heinrich, 1961. Pt. IV. Canad. Ent. Sup. 23: 389, 

 396. S, ?. 



*milchelH Heinrich, Mass., N. Y. to Ga., Ark. 



Tricholabus mitchelli Heinrich, 1961. Pt. IV. Canad. Ent. Sup. 23: 389, 

 395. $, 9. 



nortonii (Cresson). 



Ichneumon merus Cresson (syn. teste Heinrich, 1961, Pt. IV, pp. 389, 

 390). 



pax (Dalla Torre). 



Taxonomy: Heinrich, 1961, Pt. IV, pp. 389, 397. 



tricolor (Davis). Syn. of citatus (Provancher). 



*Genus THYRATELES Perkins 



Thyrateles Perkins, 1953. Brit. Mus. (Nat. Hist.) Bui. Ent. 3 (4): 149. 

 Type: Amblyteles camelinus Wesmael. By monotypy and 

 orig. desig. 

 Taxonomy: Heinrich, 1961. Pt. Ill, pp. 348-349. 



Place on page 296 of Catalog after Tricholabus Thomson. 



*amoenapex Heinrich. N. W. T. (Norman Wells). 



Thyrateles amoenapex Heinrich, 1961. Pt. III. Canad. Ent. Sup. 21 [vol. 

 93]: 348, 357. 9. 



*caIiginops Heinrich. Maine, Que., Ont., Conn., N. Y., W. Va., Minn. Host: 

 Vanessa atalanta (L.). 

 Thyrateles caliginops Heinrich. 1961. Pt. III. Canad. Ent. Sup. 21 [vol. 

 93]: 212, 215, 226, 348, 351. $, 9. 



*camelinops Heinrich. Alta., B. C. Host: Nymphalis milberti Godt; 

 Polygonia sp. 

 Thyrateles camelinops Heinrich, 1961. Pt. III. Canad. Ent. Sup. 21 [vol. 

 93]: 212, 215, 348, 349. $, 9. 



instabilis (Cresson). Ho.^ts: Colias pJiilocUce Latr. ; place ? before Oeneis 

 inelissa {¥.). Transf. from (Pterocormus Foerster of Catalog, 

 p. 299) = Ichneumon Linnaeus, Sup. 1, p. 51 {teste Heinrich, 

 1961, Pt. Ill, pp. 284 (text, 348, 352). 



lugubrator (Gravenhorst) . Transf. from Alphabetic List of Unplaced Spe- 

 cies, p. 408 {teste Heinrich, 1961, Pt. Ill, p. 354). 



Pterocormus rufiventris (Brulle) (syn. teste Townes, 1961 (June). Ent. 

 Soc. Proc. 63: 108). 



Pterocormus rufiventris var. incertus (Cresson) (syn. teste Heinrich, 

 1961, Pt. Ill, p. 354). 



mormonus (Cresson). Ont. Host: Polygonia sp. Transf. (with its syn). 

 from Pseudamblyteles Ashmead, p. 203 {teste Heinrich, 1959. Ent. 

 News 70 (8) : 210). 



procax (Cresson). Host: Vanessa antiopa (L.). Transf. from {Pterocormus 

 Foerster of Catalog, p. 300) = Ichneumon Linnaeus {teste 

 Heinrich, 1959, Ent. News 70 (8): 210). 

 Amblyteles torontosus Davis (syn. teste Heinrich, loc. cit. supra). 



Genus ICHNEUMON Linnaeus, Sup. 1, pp. 51-52 

 ( = P/erocormos Foerster of Catalog, pp. 296-301) 



Brachypterus Gravenhorst. Delete "Desig. by Westwood, 1839" and 

 add: By monotypy. 



