2108 Hymenoptera in America North of Mexico 



rivalis Cresson. Calif., Wash. 



Nomada rivalis Cresson, 1878. Amer. Ent. Sec, Trans. 7: 79. 6. 



Taxonomy: Cockerell, 1910. Psyche 17: 97. 

 ruidosensis Cockerell. N. Mex., Colo. 



Nomada ruidosensis Cockerell, 1903. Acad. Nat. Sci. Phila., Proc. 55: 594. S. 



sanctaecrucis Cockerell. Calif. 



Nomada (Xantkidium) sanctaecrucis Cockerell, 1903. Acad. Nat. Sci. Phila., Proc. 55: 566. 

 6. 

 subrutila Lovell and Cockerell. Mich, to New England, ?Colo. 



Nomada (Xantkidium) subrutila Lovell and Cockerell, 1905. Psyche 12: 40. S. 

 subsimilis Cockerell. Calif. 



Nomada (Xantkidium) subsimilis Cockerell, 1903. Acad. Nat. Sci. Phila., Proc. 55: 567. 6. 

 suda Cresson. Nev. 



Nomada suda Cresson, 1879. Amer. Ent. Soc, Trans. 7: 203. 9. 

 sulphurata Smith. Minn, to Mass., south to Miss, and Ga., ?Utah. 



Nomada sulphurata Smith, 1854. Cat. Hym. Brit. Mus., v. 2, p. 249. 9. 



Nomada luteoloides Robertson, 1895. Amer. Ent. Soc, Trans. 22: 124. 9. 



Taxonomy: Rodeck, 1931. Amer. Mus. Novitates 496: 11 (Utah record). 

 tricurta Swenk. N. Dak. 



Noinada (Heminomada) tricurta Swenk, 1915. Nebr. Univ., Studies 15: 11. 9, 6. 

 truttarum Cockerell. N. Mex. 



Nomada (Xaiithidiuni) Truttarum Cockerell, 1909. Entomologist 42: 94. 6. 

 vallesina honorata Cockerell. Colo. 



Nomada (Xantkidium) vallesina var. konorata Cockerell, 1922. Ann. and Mag. Nat. Hist. 

 (9) 10:269. 9. 

 vallesina vallesina Cockerell. N. Mex., Colo. Host: Andrena irana Ckll? 



Nomada vallesina Cockerell, 1906. Ann. and Mag. Nat. Hist. (7) 17: 226. 9. 



Biology: Hicks, 1934. Colo. Univ., Studies 21: 267 (host). 

 vernonensis Cockerell. B. C. 



Noynada vemoiiensis Cockerell, 1916. Canad. Ent. 48: 273. 6. 

 xantholepis Cockerell. Colo. 



No7nada (Xaiithidium) xanikolepis Cockerell, 1911. U. S. Natl. Mus., Proc. 41: 239. i. 



xanthophila Cockerell. N. Mex. 



Nomada xantkopkila Cockerell, 1900. Ann. and Mag. Nat. Hist. (7) 5: 414. 6. 

 xanthura Cockerell. N. Y. to N. S. 



Nomada xantkura Cockerell, 1908. Ent. Soc. Wash., Proc. 10: 84. 9. 



Genus NOMADA Subgenus HOLONOMADA Robertson 



Holonomada Robertson, 1903. Canad. Ent. 35: 174, 177. 



Type-species: Nomada superba Cresson. Orig. desig. 



Revision: Evans, 1972. Wasmann Jour. Biol. 30: 1-34, 5 figs, (included spp.). 



Taxonomy: Cockerell, 1903. Acad. Nat. Sci. Phila., Proc. 55: 561-563, 580-588 (part). — Viereck 

 et a/., 1905. Canad. Ent. 37: 283-284, 287. —Swenk, 1913. Nebr. Univ., Studies 12: 8, 77-90. 

 -Swenk, 1915. Nebr. Univ., Studies 15: 169-172. -Mitchell, 1962. N. C. Agr. Expt. Sta. 

 Tech. Bui. 152: 361-364, fig. 102 (eastern U. S. spp.). 



Species Group Edwardsii 



edwardsii edwardsii Cresson. B. C, Wash., Colo., Oreg., Calif.; Mexico (Baja California). Host: 



Andrena perimelas Ckll. 

 Nomada Edwardsii Cresson, 1878. Amer. Ent. Soc, Trans. 7: 72. "6" = 9. 

 Nomada intercepta Smith, 1879. Descr. New Species Hym. Brit. Mus., p. 100. S. 

 Nomada (Holonomada) edwardsii var. australior Cockerell, 1903. Acad. Nat. Sci. Phila., 



Proc. 55: 562. 6. 



