2048 Hymenoptera in America North of Mexico 



Osmia brevibirta Cockerell, 1907. Ann. and Mag. Nat. Hist. (7) 19: 365. 9. 



densa densa Cresson. Mont, to N. Mex., west to B. C, cent. Calif., and Ariz. Pollen: Polylectic, 

 visits a wide variety of flowers including Arctostaphylos Crustacea, A. viariposa, 

 Brodiaea liitea, B. pidchella, Calochortus nudus, Ceanotlius integerrimus, Chaviaebatia 

 foliolosa, Cirsium californicum, Clarkia breweri, C. dudleyana, C. rhomboidea, C. 

 ungukulata, Convolvulus malacophyllus, Eriodicfyon califoniicu))i, EriogonuDi 

 uiflatuvi, Gilia capitata, Hackelia jessicae, Horkelia fusca, Iris liartwegii, Lathyrus 

 graminifolius, L. sulphureus, Limnanthes dougiasii, Lotus argophyllus, Lupiuus 

 albifrons, L. bicolor, L. latifoiius, L. micrantlius, L. stiversi, Mimulus guttatus, M. 

 primuloides, M. suksdorfii, Monardella lanceolata, Penstemon spectabilis, Phacelia 

 heterophylla, Ranunculus califomicus, Ribes nevadensis, Spraguea unibellata, 

 Streptantltus tortuosus, Tlierviopsis 7)ialacophyllus, Verbena lasiostachys, Vicia 

 califomica. 



Osmia densa Cresson, 1864. Ent. Soc. Phila., Proc. 3: 25. 9. 



Osmia olivacea Cockerell, 1907. Ann. and Mag. Nat. Hist. (7) 19: 362. cJ. 



Osmia proposita Sandhouse, 1924. Calif. Acad. Sci., Proc. (4) 13: 354. 9. 

 densa pogonigera Cockerell. Calif. Parasite: Tricrauia stansburyi Hald. Pollen: Polylectic, 

 visits a wide variety of flowers including Arctostaphylos drupacea, A. patula, 

 Astragalus antisellii, A. parisliii, Barbarea orthoceras, Ceanothus cordulatus, Clarkia 

 breweri, C. unguiculata. Convolvulus, Cryptantlia intermedia, Dicentra chrysantlia, 

 Epilobiuiu angustifolium, Horkelia bernardina, Lathyrus, Lotus crassifolius, L. 

 davidsonii, L. scoparius, Lupinus austroviontanus, L. confertus, L. formosus, L. grayi, 

 Mains, Marrubium vulgare, Nemophila integrifolia, Penstemon grinnellii, P. 

 spectabilis, Phacelia davidsonii, P. distans, P. heterophylla, Rhannius califomica, 

 Rhododendron occidentale, Ribes cereum, R. roezlii, Vicia arvensis, V. califomica. 



Osmia pogonigera Cockerell, 1910. Ent. News 21: 121. 9. 



Osmia celsa Sandhouse, 1924. Calif. Acad. Sci., Proc. (4) 13: 354. 9. 

 feiti Cockerell. New England to Minn., south to West Va. 



Osmia felti Cockerell, 1911. Ent. News 22: 18. 9. 



gabrielis Cockerell. Oreg., Calif. Pollen: Unknown, but visits flowers of Brodiaea lutea, 

 Castilleia, Clarkia cylindrica, Diplacus aurantiacus, Glycyrrhiza lepidota. Iris 

 hartwegii, Lathyrus sulphureus, Lotus glaber, L. scoparius, Lupinus albifrons, L. 

 formosus, L. subspicata, Marrubium vulgare, Orthocarpus lithospermoides, Penstonon 

 speciosHS, Psoralea physodes, P. rigida. Salvia mellifera, Streptanthus bemardiuus, 

 Trifolium variegatum, Vicia califomica. 

 Osmia gabrielis Cockerell, 1910. Ent. News 21: 120. 9. 

 hendersoni Cockerell. Mont., Wyo., Colo., Utah, Oreg. Calif. (Sierra Nevada Mts.). 



Osmia Hendersoni Cockerell, 1907. Ann. and Mag. Nat. Hist. (7) 19: 365. 9. 

 hesperos Sandhouse. Calif., Oreg. 



Osmia hesperos Sandhouse, 1939. Ent. Soc. Wash., Mem. 1: 131. 6. 

 iridis Cockerell and Titus. Colo., N. Mex., Calif. Pollen: Unknown, but visits flowers Collinsia 

 callosa, Malus. 

 Osmia iridis Cockerell and Titus, 1902. Amer. Nat. 36: 816. 6. 

 juxta juxta Cresson. Alta. to N. Mex., west to Idaho and Ariz. 

 Osmia juxta Cresson, 1864. Ent. Soc. Phila., Proc. 3: 19. 9. 

 Osmia theta Sandhouse, 1925. Canad. Ent. 57: 34. i. 



Osmia subpurpurea jamesi Michener, 1937. Ann. and Mag. Nat. Hist. (10) 19: 409. 9. 

 juxta subpurpurea Cockerell. B. C. to Calif. Pollen: Unknown, but visits flowers of Brodiaea 

 congesta, Geranium, Lotus scoparius, Lupinus lobbii var. lyallii, L. longipes, Mertoisia, 

 Penstemon speciosus, Phalacoseris bolauderi, Plectritis macrocera. Salvia columbariae, 

 Trifolium microcephalum, Wyethia augustifolia. 

 Osmia subpurpurea Cockerell, 1897. Acad. Nat. Sci. Phila., Proc. 49: 344. 9. 

 paradisica Sandhouse. Wash., Oreg., Calif. (Sierra Nevada Mts.). Pollen: Unknown, but visits 

 flowers oi Eriogonum. 

 Osmia paradisica Sandhouse, 1924. Calif. Acad. Sci., Proc. (4) 13: 343. 6. 

 rawlinsi Sandhouse. Wyo., Calif. 



Osmia (Nothos))iia) rawlinsi Sandhouse, 1939. Ent. Soc. Wash., Mem. 1: 115. 9. 



