2104 Hymenoptera in America North of Mexico 



Biology: Linsley and MacSwain, 1955. Wasmann Jour. Biol. 13: 256-270, pi. 1, fig. 1; pis. 2 and 

 3 (life history, hosts). —Linsley and MacSwain, 1959. Calif. Univ. Pubs. Ent. 16: 25-26 

 (habits, hosts). 

 orophila Cockerell. Colo., Wyo. 



Nomada (Gnathias) orophila Cockerell, 1921. Amer. Mus. Novitates 24: 8. 6, 9. 



ovata (Robertson). Wyo., Minn, to Maine, south to S. C. 



Gnathias ovatus Robertson, 1903. Canad. Ent. 35: 175. 9,6. 

 Gnathias ovatus form plenus Robertson, 1903. Canad. Ent. 35: 175. 9. 

 Gnathias ovatus form octomanilatus Robertson, 1903. Canad. Ent. 35: 175. 9. 

 Gnathias ovatus form sexmaculatus Robertson, 1903. Canad. Ent. 35: 175. 9. 

 Gnathias ovatus form quadrimaculatus Robertson, 1903. Canad. Ent. 35: 175. 9. 

 Gnathias ovatus form binotatus Robertson, 1903. Canad. Ent. 35: 175. 9. 

 Gnathias ovatus form unicolor Robertson, 1903. Canad. Ent. 35: 175. 9. 

 Nomada (G^iathias) carolinae Cockerell, 1903. Acad. Nat. Sci. Phila., Proc. 55: 602. 9. 



perbeila (Viereck). Oreg., Wash., B. C. 



Gnathias perbeila Viereck, 1905. Canad. Ent. 37: 282. 9,6. 

 perplexa Cresson. Minn, to Mass., south to Tenn. and N. C, ?Wyo. 



Nomada perplexa Cresson, 1863. Ent. Soc. Phila., Proc. 2: 306. 9, cJ ? 



Taxonomy: Cockerell, 1903. Acad. Nat. Sci. Phila., Proc. 55: 600. 6,9. 

 Nomada (Gnathias) comelliana Cockerell, 1908. Ent. Soc. Wash., Proc. 10: 84. 6. 



perplexans Cockerell. Wash. 



Nomada (Gnathias) perplexans Cockerell, 1910. Psyche 17: 94. 6. 



physura Cockerell. Nev. 



Nomada (Gyiathias) physura Cockerell, 1903. Acad. Nat. Sci. Phila., Proc. 55: 599. 6. 



rhodalis Cockerell. Nev. 



Nomada (Gnathias) rhodalis Cockerell, 1903. Acad. Nat. Sci. Phila., Proc. 55: 600. 9. 



rhodomelas Cockerell. Oreg., B. C. 



Nomada (Gnathias) rhodomelas Cockerell, 1903. Acad. Nat. Sci. Phila., Proc. 55: 



598. 6, 9? 



rubi Swenk. N. Dak., Minn. 



Nomada (Gnathias) rubi Swenk, 1915. Nebr. Univ., Studies 15: 20. 9 , 6 . 



rubrella Cockerell. Colo. 



Nomada (Gnathias) rubrella Cockerell, 1905. Colo. Agr. Expt. Sta., Bui. 94: 75. 9. 



schwarzi contractula Cockerell. N. Mex. 



Nomada (Gnathias) schwarzi contractula Cockerell, 1903. Acad. Nat. Sci. Phila., Proc. 55: 

 600. 6. 

 schwarzi schwarzi Cockerell. Colo. 



Nomada (Gnathias) schwarzi Cockerell, 1903. Acad. Nat. Sci. Phila., Proc. 55: 599. 6 (9 

 misdet.). 

 siouxensis Swenk. Nebr., Wyo. 



Nomada (Gnathias) siouxeiisis Swenk, 1913. Nebr. Univ., Studies 12: 96. 9. 



subnigrocincta Swenk. Mass., N. J., Pa., N. C. 



Nomada (Nomada) subnigrocincta Swenk, 1915. Nebr. Univ., Studies 15: 155. 9,(6 

 misdet.). 



subrubi Swenk. N. Dak. 



Nomada (Gnathias) Subrubi Swenk, 1915, Nebr. Univ. Studies 15: 176. 9,6. 



utensis Swenk. Colo. 



Nomada (Gnathias) utensis Swenk, 1913. Nebr. Univ., Studies 12: 97. 9 , d . 



vulpis Cockerell. Wyo. 



Nomada (Gnathias) vulpis Cockerell, 1921. Amer. Mus. Novitates 24: 10. 9. 



Washington! Cockerell. Wash. 



Nomada (Gnathias) washingtoni Cockerell, 1903. Acad. Nat. Sci. Phila., Proc. 55: 598. 9. 



