Superfamily APOIDEA 1761 



affinis (Smith). New England and adjacent Canada west to B. C, Wash., Idaho, south to Utah, 

 Kans., Miss., and Ga. Pollen: Unknown, but visits a wide variety of flowers including 

 Amorpha, Apocynum, Arunciis, Ascelpias, Blephilia, Boltonia, Campanula, Ceanothus, 

 Cephalanthus, Cicuta, Clematis, Cornus, Crataegus, Cryptotaenia, Daucus carotus, 

 Erigeron, Eryngium, Eulophus, Eupatorium, Euphorbia, Fragaria, Geranium, Geum, 

 Gnaphalium, Heracleum, Houstonia. Hydrangea, Hypericum, Krigia, Lactuca,Lepidium, 

 Lycopus, Malva, Melilotus, Nelmnbo, Osmorrhiza, Oxypolis, Pastinaca, Petalostemon, 

 Philadelphicus, Polygonum, Polytaenia, Potentilla, Ptelea, Pycnanthemum, 

 Pyracantha, Rhus, Rubus, Salix, Salvia, Sanicula, Si2im, Solidago, Stellaria, 

 Stenanthium Symphoricarpos, Taenidia, Thaspium, Valerianella, Veronica, Viburnum, 

 Zizia. Predator: Philanthns crabroniformis Sm., P. politus Say. 



Prosopis affinis Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 24. 9 (i misdet.). 



Prosopis ziziae Robertson, 1896. Canad. Ent. 28: 136. 9, i. 



Prosopis ziziae dunningi Cockerell, 1898. Entomologist 31: 188. i. 



Hylaeus albertensis Cockerell, 1937. Canad. Ent. 69: 126. <J, 9. 



Taxonomy: Snelling, 1966. Los Angeles Co. Mus., Contrib. Sci. 98: 3. 

 confluens (Smith). N. J. to Fla. Pollen: Unknown, but visits flowers of Chrysantkeimim, 

 Chrysopsis, Erigeron, Eryngium, Hypericum, Ilex, Ilea, Melilotus, Oxydendrum, 

 Oxypolis filiformis, Polygoyium, Rhus, Solidago. 



Prosopis confluens Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 24. 9. 



Prosapis triangularis Cockerell, 1896. Psyche 7 (sup.): 31. 6. 

 episcopalis coquilletti (Cockerell). Oreg. and Idaho south to Mexico (Baja California and 



Sonora) east to Texas. Pollen: Unknown, but visits flowers of Acamptopappus, Agave 

 deserti, Asclepias subulata. Aster abatus, Baileya ple7iiradiata, Chamaebatiaria 

 millefolium Croton califomicus, Dalea califomica, D.fremontii, D. saundersii, D. 

 schottii. Datura meteloides Eriodictyon califomicum, Eriogonum fasciculatum, E. 

 inflatum, Gilia davyi, Haplopappus cooperi, Hyptis emoryi, Isomeris arborea, Larrea 

 tridentata, Lepidiuvi fremontii, Lupinus formosus, Melilotus alba, Peucephyllum 

 schottii,_Prosopis juliflora glandulosa, Sphaeralcea orcuttii, Stanleya pinnata, Tamarix 

 gallica. 



Prosapis coquilletti Cockerell, 1896. Psyche 7 (sup.): 439. 6. 



Taxonomy: Snelling, 1966. Los Angeles Co. Mus., Contrib. Sci. 98: 10 (as H. rugulosus 

 episcopalis). —Snelling, 1975. Los Angeles Co. Mus., Contrib. Sci. 267: 8 (tax. status). 

 episcopalis episcopalis (Cockerell). Alta., south to Calif, and N. Mex. Pollen: Unknown, but 

 visits a wide variety of flowers including Achillea lanulosa, A. millaefolium, 

 Adenostoma fasciculatum, Angelica tomentosa, Anthemis cotulla, Apocynum 

 adrosaemifolium, Asclepias fascicularis, A. mexicana, Baccharis douglasii, Calochortus 

 venustus, Ceanothus integerrimus, Chaetopappa aurea, Chamaebatia foiiolosa, Clarkia 

 bilobata, Erigeron ramosus, Eriodictyon califomicum, Eriogonum fasciculatum, E. 

 inflatuyn, E. latifolium nudum, E. virgatum, Eriophyllum confertiflorum, Eryngium 

 aristatxdum. Geranium richardsonii, Gnaphalium califomicum, Gutierrezia califomica, 

 G. sarothrae, Haplopappus cooperi, Heteromeles arbutifolia, Linanthus montanus, 

 Lupinus, Oxypolis occidentalis Penstemon breviflonis, Perideridia gairdneri, Phacelia, 

 Primus ilicifolia, Rhamnus califomica, Scrophularia califomica, Solidago, Stanleya 

 pinnata, Swertia parryi, Trichostema parishii. 

 Prosapis episcopalis Cockerell, 1896. Psyche 7 (sup.): 29. 6. 

 Prosopis universitatis Cockerell, 1906. Ann. and Mag. Nat. Hist. (7) 17: 225. 6. 



Taxonomy: Snelling, 1966. Los Angeles Co. Mus., Contrib. Sci. 98: 9, 10 (as. H. mgulosus 

 rugulosus and H. r. episocpalis). —Snelling, 1975. Los Angeles Co. Mus., Contrib. Sci. 267: 

 8 (synonymy, tax. status). 

 episcopalis giffardiellus Cockerell. Calif. (Sacramento and San Joaquin Valleys). Pollen: 

 Unknown, but visits flowers oi Melilotus alba, Raphanus sativus, Rosa califomica, 

 Rubus, Salix, Trifolium repens. 

 Hylaeus giffardiellus Cockerell, 1925. Calif. Acad. Sci., Proc. (4) 14: 186. S. 



Taxonomy: Snelling, 1966. Los Angeles Co. Mus., Contrib. Sci. 98: 11 (as H. rugulosus 

 giffardiellus). —Snelling, 1975. Los Angeles Co. Mus., Contrib. Sci. 267: 8 (tax. status). 



