2158 Hymenoptera in America North of Mexico 



Taxonomy: Zavortink and LaBerge, 1976. Wasmann Jour. Biol. 34: 130-140, fig. 2 

 (redescription). 



Biology: Linsley and Hurd, 1959. Ent. News 70: 67 (pollen source). — Linsley and Cazier, 



1970. Kans. Ent. Soc, Jour. 43: table 1 (pollen source). —Hurd and Linsley, 1975. Smithsn. 



Contrib. Zool. 193: 41, tables 1, 3, 4, 6, 8 (floral relationship with Larrea, as luteicomis). 



—Zavortink and LaBerge, 1976. Wasmann Jour. Biol. 34: 140-143, tables 1-3 (floral 



relationships, seasonal periods of activity). 

 occidentalis Zavortink and LaBerge. South. Calif. (Colorado and south. Mojave Deserts), and 

 southwest. Ariz. (Lower Colorado Valley); Mexico (Baja California and Sonora). Pollen: 

 Polylectic, seems to prefer to visit plants in the families Compositae, Leguminosae, 

 Solanaceae and Zygophyllaceae for pollen and nectar including Cercidium, Dalea, 

 Datura, Larrea, Palafoxia, Solanum; floral visitation records include Cercidium 

 floridum, Dalea emoryi, Eyicelia, Helianthus niveus, Larrea tridentata, Palafoxia 

 linearis, Wislizeyiia refracta. 



Martinapis occidentalis Zavortink and LaBerge, 1976. Wasmann Jour. Biol. 34: 121, figs. 1, 

 2. S, 9. 



Biology: MacSwain, 1957. Pan-Pacific Ent. 33: 70 (floral relationships, as luteicomis). 

 —Hurd and Linsley, 1975. Smithsn. Contrib. Zool. 193: 41, table 12 (floral relationship with 

 Larrea, as luteicomis in part). —Zavortink and LaBerge, 1976. Wasmann Jour. Biol. 34: 

 128-129 (floral relationships, daily and seasonal periods of activity). 



Genus MELISSOPTILA Holmberg 



Revision: Urban, 1968. Rev. Brasil. Ent. 13: 1-94, 70 figs., 3 maps (included spp.). 

 Taxonomy: LaBerge, 1957. Amer. Mus. Novitates 1837: 37-38 (tax. characters). 



Genus MELISSOPTILA Subgenus MELISSOPTILA Holmberg 



Melissoptila Holmberg, 1884. Cordoba. Acad. Nac. de Cien., Actas 5: 119. 



Type-species: Melissoptila tandilensis Holmberg. Monotypic. 

 Thyreotremata Holmberg, 1887. Cordoba. Acad. Nac. de Cien., Bol. 10: 225. Nomen nudum. 

 Thyreothremma Holmberg, 1903. Mus. Nac. Buenos Aires, An. (3) 2: 391. 



Type-species: Melissoptila tandilensis Holmberg. Desig. by Sandhouse, 1943. 

 {=Thyreothremma rhopalocera Holmberg). 



The typical subgenus does not occur in North America. 



Genus MELISSOPTILA Subgenus PTILOMELISSA Moure 



Ptilomelissa Moure, 1943. Rev. de Ent. 14: 482. 



Type-species: Ptilomelissa ochromelaena Moure. Monotypic. 

 otomita (Cresson). Tex. (Brownsville); Mexico, Guatemala, Honduras, Costa Rica, Panama. 

 Melissodes otomita Cresson, 1878. Acad. Nat. Sci. Phila., Proc. 30: 209. d. 

 Melissodes pinguis Cresson, 1878. Acad. Nat. Sci. Phila., Proc. 30: 216. 9,6. 

 Melissodes pinguis var. veluti^iella Cockerell, 1897. Amer. Ent. Soc, Trans. 24: 158. 9. 

 Tetralonia joseana Friese, 1916. Stettin. Ent. Ztg. 77: 330. 6,9. 

 Exomalopsis nifitecta Cockerell, 1949. U. S. Natl. Mus., Proc. 98: 454. 9. 

 Exomalopsis nifitecta var. palliditecta Cockerell, 1949. U. S. Natl. Mus., Proc. 98: 454. 9. 



Taxonomy: LaBerge, 1957. Amer. Mus. Novitates 1837: 38 (synonymy, selects otomita 

 instead of pinguis under provision of first reviser). -^Urban, 1968. Rev. Brasil. Ent. 13: 

 67-71, figs. 29, 44, 53-65, map 1 (as pinguis). 



Morphology: Graf, 1970. Bol. Federal Univ. Parana, Zool. 3: 281-287, 1 pL, figs. 1-3 (salivary 

 glands). 



^ Tribe ANTHOPHORINI 



This is a large tribe of pollen-collecting bees that is found throughout much of the world. 

 Although the Anthophorini contains several genera, most of the species belong to the Old World 



