686 Hymenoptera in America North of Mexico 



mordellistenae (Cushman). Colo. Host: Mordellistena aemula LeC, M. niontla LeC. 



Creniastus vwrdellistenae Ashmead, 1895. hi Baker, Ent. News 6: 29. Nomen nudum. 

 Cremastus (Zaleptopygus) mordellistenae Cushman, 1917. U. S. Natl. Mus., Proc. 53: 539. 



(J, 9. 



Taxonomy: Cushman, 1927. U. S. Natl. Mus., Proc. 72 (13): 20-21. 



nigriclypealis Cushman. N. Mex. 



Cremastus (Zaleptopygus) nigriclypealis Cushman, 1917. U. S. Natl. Mus., Proc. 53: 543. 

 9. 

 nordi Townes. Mich. Host: Oberea shaumii LeC. 



Cremastus nordi Townes, 1965. Mich. Acad. Sci., Arts, and Letters, Papers 50: 105. 6,9. 



orbitalis (Cresson). Md., Ala., Tex. 



Porizon orbitalis Cresson, 1872. Amer. Ent. Soc, Trans. 4: 174. 6,9. 

 orbus (Davis). Conn., N. Y., N. J., Pa., Mich., HI., La. Host: Oberea tripunctata Swed. 



Leptopygus orbus Davis, 1898 (1897). Amer. Ent. Soc, Trans. 24: 365. 6,9. 



Zaleptopygus obereae Viereck, 1911. U. S. Natl. Mus., Proc. 41: 295. 6, 9. 



Taxonomy: Cushman, 1920. U. S. Natl. Mus., Proc. 58: 284. 

 quintilis (Viereck). Kans. Walkley (1967) apparently saw no specimens of this species before 

 deciding to place it with a query in Cremastiis rather than Trathala; it may prove to 

 belong in the latter genus. 

 Thersilochus mimeticus Viereck, 1905. Kans. Acad. Sci., Trans. 19: 300. 9. 

 Thersilochus quintilis Viereck, 1905. Kans. Acad. Sci., Trans. 19: 301. 6. 



Taxonomy: Walkley, 1967. In Krombein et ai, U. S. Dept. Agr., Agr. Monog. 2, Sup. 2, p. 207. 



rohweri Cushman. Pa. 



Cremastus (Zaleptopygus) rohweri Cushman, 1917. U. S. Natl. Mus., Proc. 53: 541. 9. 

 snowi (Viereck). Kans. Walkley (1967) apparently saw no specimens of this species before 

 deciding to place it with a query in Cremastus rather than Trathala; it may prove to 

 belong in the latter genus. 

 Thersilochus snowi Viereck, 1905. Kans. Acad. Sci., Trans. 19: 299. 9. 



Taxonomy: Walkley, 1967. In Krombein et al., U. S. Dept. Agr., Agr. Monog. 2, Sup. 2, p. 207. 



vierecki (Cockerell). N. Mex. 



Porizon Vierecki Cockerell, 1903. Ann. and Mag. Nat. Hist. (7) 12: 200. 6. 



Genus DOLICHOPSELEPHUS Ashmead 



Dolichopselephus Ashmead, 1890. Colo. Biol. Assoc, Bui. 1: 23. 



Type-species: Dolichopselephus cockerelli Ashmead. Monotypic 



cockerelli Ashmead. Sask., Colo. 



Dolichopselephus cockerelli Ashmead, 1890. Colo. Biol. Assoc, Bui. 1: 23. 9. 



Genus TRATHALA Cameron 



Trathala Cameron, 1899. Manchester Lit. and Phil. Soc, Mem. and Proc. 43: 122. 



Type-species: Trathala striata Cameron. Monotypic. 

 Epicremastus Szepligeti, 1905. In Wytsman, Gen. Ins., fasc. 34, p. 51. 



Type-species: Epicremastus concolor Szepligeti. Monotypic. 

 Paurolexis Cameron, 1906. Bombay Nat. Hist. Soc, Jour. 17: 282. 



Type-species: Paurolexis flavus Cameron. Monotypic. 

 Haristaeus Cameron, 1910 (1909). Amer. Ent. Soc, Trans. 35: 442. 



Type-species: Haristaeus nigrifrons Cameron. Monotypic. 



This large genus is worldwide in distribution. 



Taxonomy: Townes, 1958. Insects of Micronesia, v. 2, no. 2, p. 66. —Townes, 1971. Amer. Ent. 

 Inst., Mem. 17: 17-18. 

 aciculata (Davis). Mass., Conn., Mich., Ga. 



Cremastus aciculatus Davis, 1898 (1897). Amer. Ent. Soc, Trans. 24: 364. cJ. 



