Superfamily APOIDEA 2127 



delphinii Timberlake. Wash, to Calif., Utah. Pollen: Unknown, but visits flowers of Bloomeria, 

 Brodiaea, Delphinium, Platystemon, Trifolium. 



Synhalonia delphiiiii Timberlake, 1969. Calif. Univ. Pubs. Ent. 57: 30, figs. 29, 30. 9, 6. 

 dorsata Timberlake. Calif. Pollen: Apparently polylectic, visits flowers of Amsinckia 



intermedia, Brodiaea crocea, Collinsia bicolor. Convolvulus occidentalis. Coreopsis 

 lanceolata, Eriodictyon califomicum, E. crassifolium, Eschscholzia califomica, 

 Grindelia, Lathyrus, LoUis scoparius, Lupiyius bicolor, L. fomwsus, L. nanus, 

 Penstemon antirrhinoides, Salvia columbariae, S. mellifera, Trichostema parishii. 



Synhalonia dorsata Timberlake, 1969. Calif. Univ. Pubs. Ent. 57: 32. 6, 9. 

 douglasiana (Cockerell). Wash. (Steamboat Rock). 



Tetralonia Douglasiana Cockerell, 1906. Canad. Ent. 38: 278. 9. 

 dubitata (Cresson). Minn, to Pa., south to S. C. and Tex. Pollen: Unknown, but visits flowers of 

 Aesculus, Astragalus, Dicentra, Melilotus, Mertensia, Robinia, Salvia. 



Melissodes dubitata Cresson, 1878. Acad. Nat. Sci. Phila., Proc. 30: 194. 9,6. 

 edwardsii (Cresson). B. C. to Calif., Idaho, Mont., Utah, Nev., Colo., Wyo., N. Mex.; Mexico 

 (Baja California). Pollen: Polylectic, visits a wide variety of flowers including Allium, 

 Amsinckia, Astragalus, Abronia, Arnica, Balsamorrhiza, Brassica, Brodiaea, Besseya, 

 Cirsium, Collinsia sparsiflora. Convolvulus, Conium, Dalea, Daucus, Erysimum, 

 Eschscholzia, Encelia, Erigeron, Helianthus, Hydrophyllum, Ligustnim, Lithosperum, 

 Lotus, Lupinus, Malvastrum, Medicago, Melilotus, Mentha, Mesembryanthemum, 

 Mirabilis, Nemophila, Oenothera, Penstemon, Physocarpus, Phacelia, Phoradendom, 

 Potentilla, Raphanus Rhamnus, Rubus, Sidalcea, Sphaeralcea, Stachys, Taraxacum, 

 Trifolium, Thelypodium, Vicia, Viola, Zygadenus. 



Melissodes edwardsii Cresson, 1878. Acad. Nat. Sci. Phila., Proc. 30: 195. 6. 



Synhalonia edwardsii race angustior Cockerell, 1897. Acad. Nat. Sci. Phila., Proc. 49: 347. 

 6 (9 misdet.). 



Tetralonia edwardsii vagabunda Cockerell, 1906. Amer. Ent. Soc, Trans. 32: 95. 6. 



Biology: Rust and Clement, 1977. Kans. Ent. Soc, Jour. 50:42, table 3 (floral visitation). 

 frater albopilosa Fowler. Oreg., Calif. Pollen: Apparently polylectic, visits a wide variety of 

 flowers including Amsinckia, Astragalus, Brodiaea, Camissonia tanacetifolia, 

 Ceanothus, Chamaebatia, Cirsium, Convolvulus, Lathyrus, Layia, Lotus, Lupinus, 

 Medicago, Penstemon, Ranunculus, Stachys, Thermopsis, Trifolium, Vicia. 

 Synhalonia albopilosa Fowler, 1899. Canad. Ent. 10: 138. 6. 



Taxonomy: Cockerell, 1924. Pan-Pacific Ent. 1: 55. 

 frater frater (Cresson). Colo., Wyo., Utah, Idaho, Oreg., Nev., N. Mex. (Barela Mesa). Pollen: 

 Apparently polylectic, visits flowers of Astragalus, Hedysarum, Lithospermum, 

 Lupinus, Medicago, Mertensia, Ribes, Vicia. An unnamed variety of this occurs in 

 Utah, Colorado and Washington in which the metasoma of the female is entirely black 

 beyond tergum I. 

 Melissodes frater Cresson, 1878. Acad. Nat. Sci. Phila., Proc. 30: 197. 6. 

 Tetralonia lata lautipes Cockerell, 1924. Amer. Mus. Novitates 113: 2. 9. 

 frater lata (Provancher). B. C, Wash., Oreg. Pollen: Unknown, but visits flowers of 

 Hydrophyllum. 

 Melissodes lata Provancher, 1888. Addit. Corr. Faune Ent. Canada, Hym., p. 302. 9. 

 Melissodes nigricomis Provancher, 1888. Addit. Corr. Faune Ent. Canada, Hym., p. 302. 6. 

 Synhalo7iia edwardsii race latior Cockerell, 1897. Acad. Nat. Sci. Phila., Proc. 49: 347. 3. 

 fulvitarsis annae (Cockerell). Colo., Wyo., Utah, N. Mex. 



Tetralonia annae Cockerell, 1906. Amer. Ent. Soc, Trans. 32: 114. 9. 

 Tetralonia annae patruelis Cockerell, 1924. Amer. Mus. Novitates 113: 2. 9. 

 Tetralonia rotgeri Cockerell, 1937. Ent. News 48: 256. 9. 

 fulvitarsis fulvitarsis (Cresson). Alta. and B. C. to Calif., Nev., Idaho, Colo., Wyo., Kans. 

 (Lawrence). Pollen: Unknown, but visits flowers of Astragalus, Cryptantha, Phlox, 

 Taraxacum, Thelypodium. 

 Melissodes fulvitarsis Cresson, 1878. Acad. Nat. Sci. Phila., Proc. 30: 196. 6. 

 Tetralonia Yakimensis Cockerell, 1906. Canad. Ent. 38: 278. 6. 

 Tetralonia medicata Cockerell, 1911. Canad. Ent. 43: 34. 9. 



