1218 Hymenoptera in America North of Mexico 



Revision: Evans. 1961. Mus. Compar. ZooL BuL 126: 211-318, 5 pis. 



Species Geolt Ce.4Ssx.ti 



crassum Evans. Tex. (Brownsville, San Antonio). 



Pseudisobrachiuni cmssinn Evans. 1961. Mus. Compar. ZooL BuL 126: 239, fig. 13. <J. 

 texanum Evans. Tex. (Harlingen. Brownsville, Wharton, San Antonio). 



Pseudisobrachiuni texajium Evans. 1961. Mus. Compar. ZooL, BuL 126: 240, figs. 48, 53. c . 



Species Group Occtoext-uj: 



castaneum Evans. Calif. (San Diego). 



Pseudisobrachium castaneum Evans, 1961. Mus. Compar. ZooL BuL 126: 24S. fig. 56. d . 

 matthewsi Evans. Tex, N. Hex, Ariz. 



Pseudisobrachium matthewsi Evans, 1961. Mus. Compar. ZooL BuL 126: 249, fig. 36. cJ, 2 

 (?). 

 occidentale Evans. Calif., Ariz. Associated with doUchoderine ants. 



Pseudisobrachium occidentale Evans, 1961. Mus. Compar. ZooL BuL 126: 244. figs. 14, 55. 



a>EClES GbOCP OBSCUHUM 



carolinianum Evans. S. C, Fla. 



Pstud:scbrrichiiim carolinianum Evans, 1961. Mus. Compar. ZooL BuL 126: 254. S. 

 gibbosum Evans. N. Mex. (Rodeo). 



Pseudisobrachium gibbosum Evans, 1961. Mus. Compar. ZooL BuL 126: 255. c. 

 obscurum Evans. Tex., Ariz., Nev.. Utah, Cahf.: Me.xico (Chihuahua, Baja California. Nayarit). 



Pseudisobrachium obscurum. Evans, 1961. Mus. Compar. ZooL BuL 126: 25ft, figs. 16, 36. 

 S, 5 (?). 

 otiosum Evans. Ariz.; Mexico (Sonora, Nayarit). 



Pstudisobraehium otiosum. Evans. 1961. Mus. Compar. ZooL BuL 126: 256. :. 

 pallidum Evans. Ariz.. Calif.; Me.xico (Sonora). 



Pseudisobrachium. pallidum. Evans. 1961. Mus. Compar. ZooL BuL 126: 258. fig. 17. 6. 

 wemeri Evans. Ariz.; Mexico (Sonora, Sinaloa). 



Pseudisobrachium wemeri Evans, 1967. Ent. News 78: 20. S. 



Species Group Peolosgatuh 



arcnarium Evans. X. J. Pa. (?\ N. C, Ga, Fla. (?), Ala., Miss^ Mo. (?), IIL Associated with 

 ponerine ants. 

 Pseudisobrachium arenarium Evans, 1961. Mus. Compar. ZooL BuL 126: 263, figs. 20, 39, 



57. ;. = (?). 



prolongatum (Provancher). N. B. and N. S. west to B. C, and Wash., south to N. C, Ky., EL 



and Iowa. Associated with formicine and m\-rmicine ants. 

 Bethylus prolongatus FVovancher, 1881. Nat. Canad. 12: 265. " = " = c . 

 Isobrachiitm magnum Ashmead, 1893. U. S. Natl. Mus., BuL 45: 36. c?. 

 Isobrachium mi/rmecophilum. Ashmead. 1893. U. S. NatL Mus., BuL 45: 37. ~,(c misdet.). 

 Isobrachium mandibulare Ashmead. 1893. U. S. NatL Mus., BuL 45: 38. S, (c misdet.). 

 Isobrachium montanum Ashmead. 1893. U. S. NatL Mus., BuL 45: 39. S, (d misdet.). 

 Pseudisobrachium. rugosulum Fouts, 1928. Ent. Soc Wash, Proc. 30: 124. d. 

 Pseudisobrachium agilis Whittaker, 1928. Rov. Ent Soc. London, Trans. 76: 386. pL 13, 



fig. 4. d. 



Species Group C.vEB0N.\Rn.T€ 



ashmeadi Evans. Mass., Ont., Mich, and Kans., south to Fla., Ala. and La. Host: Associated 

 with formicine and dolichoderine ants. 

 Pseudisobrachium ashmeadi Evans. 1961. Mus. Compar. ZooL BuL 126: 275. figs. 23. -33. 



58. 63. d, S (?). 



carbonarium (Ashmead). Md. south to Ga., Ala., W. Va., Ky. (?). IIL Kans., N. Dak. (?). 

 Epyris carbonarius Ashmead. 1893. U. S. NatL Mus., BuL 45: 59, pL 4, fig. 4. <J. 



Taxonomy: Evans, 1961. Mus. Compar. ZooL BuL 126: 271. figs. 23. 37. d, 5 (?). 



