1768 Hymenoptera in America North of Mexico 



meteloides, Encelia farinosa, Eriogonum fasciculatum, E. heermannii, Melilotus alba, 

 Prosopis, Sphaeralcea ambigua. 



Prosopis subtilis Cockerell, 1895. Amer. Ent. Soc, Trans. 22: 295. 9 . Preocc. 



Prosopis mesillae Cockerell, 1896. Canad. Ent. 28: 42. N. name. 



Prosopis cressoni var. magnidavis Swenk and Cockerell, 1910. Ent. News 21: 68. 6, 9. 

 rudbeckiae (Cockerell and Casad). Canada (Ontario), transcont. U. S. from Conn.,? N. J., ?Ala. 

 to Rocky Mts. and Pacific Coast. Pollen: Unknown, but in California visits flowers of 

 Achillea millaefolium, Alyssum maritimum, Angelica arguta, Antheniis cotula, 

 Asclepias, Baccharis douglasii, B. emoryi, B. glutinosa, B. viminea, Calochortus 

 venustus, Calyptridium umbellatum, Chrysothamnus, Cirsium, Ceanothus crassifolius, 

 Descurainia sophia, Eriodictyon califomicum, Eriogonum elatum, E. fasciculatum, E. 

 latifolium nudum, E. viminetim,, Foeniculum vulgare, Horkelia fusca, Lasthenia 

 chrysostoma, Mimulus, Phacelia distans, Potentilla glandulosa. Ranunculus 

 califomicus, Rhus diversiloba, Salix goodingii, Sedum, Sisymbrium, Solidago, 

 Symphoricarpos Trichostema lanatum, Veronica americana. 



Prosopis rudbeckiae Cockerell and Casad, 1895. Amer. Ent. Soc, Trans. 22: 380. 6. 



Prosapis bakeri Cockerell, 1896. Psyche 7 (sup.): 26. 6 . 



Prosapis digitatus Cockerell, 1896. Psyche 7 (sup.): 30. S. 



Prosapis rudbeckiae ruidosensis Cockerell, 1896. Psyche 7 (sup.): 30. 6 . 



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

 saniculae (Robertson). Canada (Ontario, Nova Scotia), and New England States west to Minn., 

 south to Tenn., Ga. Pollen: Unknown, but visits flowers o{ Achillea, Amorpha fruticosa, 

 Apocynum cannabinum, Aruncus Sylvester, Cicuta maculata, Crataegus crus-galla, 

 Cryptotaenia cayiadensis, Eulophus americanus, Heracleum lanatum. Polygonum 

 scandens, Sayiicula canadensis, S. marilandica, Taenidia integerrima, Thaspium 

 aureum trifoliatiim. 



Prosopis saniculae Robertson, 1896. Canad. Ent. 28: 137. 6,9. 

 sejunctus Snelling. Ariz. (Yuma), Nev. (Searchlight), south. Calif, deserts; Mexico (Mexicali). 

 Pollen: Unknown, but visits flowers of Croton califomicus, Cryptantha barbigera, 

 Heliotropium curassavicum, Hyptis emoryi, Isomeris arborea Melilotus, Phacelia, 

 Prosopis glandulosa var. torreyanum, Salix, Tamarix gallica. 



Hylaeus (Hylaeus) sejunctus Snelling, 1970. Los Angeles Co. Mus., Contrib. Sci. 180: 18, 

 figs. 6,9. 



Species Group Ellipticus 



ellipticus (Kirby). Alaska to Nova Scotia and Newfoundland, New England States south to 

 Ga., west to Pacific Coast States. Parasite: Aetroxys analis Ashm., Chrysis parvula 

 Fabr., Coelopencyrtus hylaeoleter Burks, Encyrtus sp., Gasteruption assectator (L.). 

 Pollen: Unknown, but visits flowers of Acer apicatum, Arenaria, Aruncus, Ceanothus, 

 Chrysanthemum, Eriogonum mariifolium, Houstonia purpurea. Hydrangea, Mains, 

 Oxypolis, Penstemon heterodoxus, P. newberryi, Potentilla glandxdosa, Rhus, Rosa, 

 Rubus, Solidago multiradiata, Sphenosciadium capitellatum. Taraxacum. Predator: 

 Philanthus pulcher Dalla Torre. 



Prosopis elliptica Kirby, 1837. Fauna Bor.-Amer., v. 4, p. 266. 9 . 



Prosopis antennata Cresson, 1869. Boston Soc. Nat. Hist., Proc. 12: 271. 6. 



Prosopis varifrons Cresson, 1869. Boston Soc. Nat. Hist., Proc. 12: 270. 9 . 



Taxonomy: Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 71. 



Biology: Davidson, 1895. Psyche 7: 315-316. -Fye, 1965. Canad. Ent. 97: 864-865, fig. 1, table 

 1 (nest). — Medler, 1966. Ent. Soc. Wash., Proc. 68: 131. 



Species Group Verticalis 



verticalis (Cresson). Southeast Canada and transcont. U. S. Pollen: Unknown, but visits 



flowers of Allium haematochiton, Apocynum androsaemifolium, Arctostaphylos patula, 

 Asclepias, Baccharis, Ceanothus cordulatus, C. integerrimus, C. soredatus, Chamaebatia 

 foliolosa, Collinsia heterophylla, Cryptantha intermedia, Diplacus auriantiacus, 

 Eriodictyon califomicum, E. trichocalyx, Eriogonum, Eriophyllum multicaule. 



