306 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



*downeyi Bohart and Campos. Oreg., Calif., Nev., chiefly in Canadian Zone. 

 (Diplorrhos) 

 Omalus (Diplorrhos) downeyi Bohart and Campos, 1960. Ent. Soc. 

 Amer. Ann. 53: 246, figs. 5, 8. 5, ?• 



glomeratus (du Buysson). Calif, to Wash., east to Idaho, Colo., N. Hex. 

 Host: Stigmus inordinatus Fox. (Omalus) 



*granti Bohart and Campos. Calif., Ariz., N. Hex., Nev., Colo. (Diplorrhos) 

 Omalus (Diplorrhos) grand Bohart and Campos, 1960. Ent. Soc. Amer. 

 Ann. 53: 247, fig. 19. $,9. 



intermedius (Aaron). Mont., Md. Host: Xylocelia virginiana Roh. Transf. 

 from Elampus Spinola. (Diplorrhos) 



Biology: Krombein, 1963. Ent. Soc. Wash. Proc. 65: 264. 



iridescens (Norton). Throughout Canada and U. S., in Canadian, Transition 

 and Austral Zones. Hosts: Stigmus inordinatus Fox, S. ameri- 

 canus Pack., Diodontus trisculcus Fox. (Omalus) 



janus (Haldeman). Canada and U. S. south to Calif., Ariz., N. C, chiefly in 



Canadian and Transition Zones. Host: Pemphredon (P.) concolor 



Say, P. (P.) errans Roh., P. (Cemonus) giffardi (Roh.). {Pseudo' 



malus) 

 Omalus sinuosus (Say) of Catalog, in part. O. janus not a syn. (teste 



Bohart and Campos, 1960, loc. cit. supra, p. 242) . 

 Elampus coruscans Norton (syn. by Bohart and Campos, 1960, loc. cit. 



supra, p. 242). Note that coruscans was misspelled in orig. cit. 



under sinuosus in Catalog. 

 Elampus purpuratus Provancher (syn. by Bohart and Campos, 1960, loc. 



cit. supra, p. 242) . 

 Omalus semicircularis Aaron (syn. by Bohart and Campos, 1960, loc. cit. 



supra, p. 242). 



*krombeini Bohart and Campos. Ariz., southern Calif. (Diplorrhos) 



Omalus (Diplorrhos) krombeini Bohart and Campos, 1960. Ent. Soc. 

 Amer. Ann. 53: 247, figs. 3, 13. $,9. 



laeviventris Cresson. Syn. of aeneus (Fabricius). 



*macswaini Bohart and Campos. Alaska, Canada and U. S. south to Calif., 

 Ariz, and Ga. Hosts: Stigmus americanus Pack., Pemphredon 

 (Cemonus) I. lethifer (Shuck.), ? P. (C.) harbecki Roh. (Pseudo- 

 malus) 



Omalus (Pseudomalus) macstcaini Bohart and Campos, 1960. Ent. Soc. 

 Amer. Ann. 53: 244, fig. 22. $,9. 



Biology: Krombein, 1960. Ent. News 71: 32-33. 



plicatus (Aaron). Alaska, Canada, western and northern U. S. south to 

 Calif., N. Mex., Minn., Mich., N. Y. (Diplorrhos) 



semicircularis Aaron. Syn. of janus (Haldeman). 



seminudus (Aaron). Alaska, B. C. south to Calif., Idaho, Ont. Transf. from 

 Elampus Spinola. (Diplorrhos) 



sinuosum (Say). Syn. of auratus (Linnaeus). N. B.: O. janus Haldeman is 

 removed from syn. and revalidated, with O. corruscans Norton) 

 and O. purpuratus (Provancher) as synonyms. (Pseudomalus) 



speculum (Say). Wash.. Oreg., Calif., Colo. (Diplorrhos) 



*telfordi Bohart and Campos. Tex. to southern Calif., Nev. (Diplorrhos) 



Omalus (Diplorrhos) telfordi Bohart and Campos, 1960. Ent. Soc. 

 Amer. Ann. 53: 249, figs. 14, 27. $, 9. 



*irilobatus Bohart and Campos. B. C. and Idaho south to Calif., Ariz, and 

 Colo., in Canadian, Transition and Upper Sonoran Zones. Host: 

 Pemphredon (Cemonus) giffardi ("Roh.) . (Pseudomalus) 

 Omalus (Pseudomalus) trilobatus Bohart and Campos, 1960. Ent. Soc. 

 Amer. Ann. 53: 245, figs. 4, 15, 25, 28. $,9. 



