Superfamily APOIDEA 2129 



phaceliae (Cockerell). N. Mex., Utah., Ariz. Pollen: Unknown, but visits flowers of Descurainia 

 Sophia, Lesquerella gordonii, Phacelia comingata, Sphaeralcea. 

 Tetralonia phaceliae Cockerell, 1911. Amer. Ent. Soc, Trans. 37: 238. 9. 

 primaveris Timberlake. Calif. (Colorado and Mojave Deserts), Nev., Utah, Ariz. (Mohave Co.). 

 Pollen: Apparently polylectic; visits flowers of Amsi^ickia, Astragalus, Aster, Brassica, 

 Delphinium, Encelia, Erysimum, Gilia, Hyptis, Isomeris, Larrea, Lotus, Lupinus, 

 Oenothera, Phacelia, Prunus, Salvia, Sphaeralcea, Tamarix, Thelypodium. 

 Synhalonia primaveris Timberlake, 1969. Calif. Univ. Pubs. Ent. 57: 55, figs. 59, 60. 6, 9. 



Biology: Hurd and Linsley, 1975. Smithsn. Contrib. Zool. 193: 43 (floral relationships). 

 quadricincta Timberlake. Calif., Nev., Utah. Pollen: Unknown, but visits flowers of 



Astragahis, Berberis fremontii, Dalea, Melilotus officinalis, Oenothera clavaeformis var. 

 auriantiaca, Sphaeralcea ambigua, Stanleya, Tamarix, Thelypodium laciniatum. 

 Synhalonia quadricincta Timberlake, 1969. Calif. Univ. Pubs. Ent. 57: 57, figs. 61, 62. 9, 

 6. 

 rosae Robertson. Va. to Ohio, Mo. and Kans., south to Fla. and Tex. Pollen: Apparently 

 polylectic; visits flowers of Asclepias, Batodendron, Blephilia, Cortius, Croton, 

 Dianthera, Diospyros, Elaeagnus, Geranium, Houstonia, Hydrophyllum, Iris, Linaria, 

 Melilotus, Monarda, Nemophila, Oenothera, Penstemon, Pontederia, Rosa, Rubus, 

 Stachys, Trifolium, Verbena, Xanthisma. 

 Synhalonia rosae Robertson, 1900. Acad. Sci. St. Louis, Trans. 10: 54. 9 . 

 Tetralonia fedoris Cockerell, 1906. Amer. Ent. Soc, Trans. 32: 93. 6. 

 speciosa (Cresson). S. Dak. to Texas, west to Utah and Idaho. Pollen: Collects pollen from 

 flowers of Oenothera pallida, but also visits flowers of Balsamorrhiza, Brazoria, 

 Caragana, Gaillardia, Monarda, Penstemon. 

 Melissodes speciosa Cresson, 1878. Acad. Nat. Sci. Phila., Proc. 30: 198. 9 . 

 Melissodes dilecta Cresson, 1878. Acad. Nat. Sci. Phila., Proc. 30: 199. i. 

 Synhalonia gillettei Cockerell, 1905. Ann. and Mag. Nat. Hist. (7) 15: 203. 6. 

 Synhalonia gillettei snoviana Cockerell, 1905. Biol. Soc. Wash., Proc. 18: 179. 6. 

 Synhalonia astragali7ia Cockerell, 1905. Ent. News 16: 271. 6. 



Tetralonia astragalina clarissima Cockerell, 1933. Ann. and Mag. Nat. Hist. (10) 11: 372. 

 6. 

 Taxonomy: Cockerell, 1905. Entomologist 38: 148. 3. —Bradley, 1942. Ent. News 53: 190. 



Biology: Folsom, 1922. Ent. Soc. Amer., Ann. 15: 182 (nesting habits). —Linsley, MacSwain 

 and Raven, 1963. Calif. Univ. Pubs. Ent. 33: 45-46 (floral relationships). 

 stretchii (Cresson). Oreg., Calif. Pollen: Unknown, but visits flowers of Cirsium, Coreopsis, 

 Eriodictyon, Fremontodendron, Lupinus, Vicia. 

 Melissodes stretchii Cresson, 1878. Acad. Nat. Sci. Phila., Proc. 30: 207. 9. 

 Synhalonia idiotes Cockerell, 1905. South. Calif. Acad. Sci., Bui. 4: 105. 9. 



suavis (Cresson). Colo. 



Melissodes suavis Cresson, 1878. Acad. Nat. Sci. Phila., Proc. 30: 210. 9. 

 texana Timberlake. Tex. (Dallas). Pollen: Unknown, but visits flowers of Cercis canadensis. 



Synhalonia texana Timberlake, 1969. Calif. Univ. Pubs. Ent. 57: 62, figs. 69, 70. 6. 

 tricinctella Timberlake. Calif., Utah. Pollen: Apparently polylectic; visits flowers of 



Amsinckia intermedia. Aster abatus, Astragahis tener, Chaenactis fremontii. Coreopsis 

 califomica, Cryptantha intermedia, Dalea saundersii, Encelia farinosa. Erysimum, 

 Gilia multicaulis, Haplopappus cooperi, H. linearifolius, Lotus scoparius, L. strigosus, 

 Malacothrix glabrata, Plagiobothrys califomicus, Rhus trilobata, Ribes indecorum. 

 Salvia columbariae, Sambucus, Sphaeralcea, Tamarix gallica. 

 Synhalonia Jiricinctella Timberlake, 1969. Calif. Univ. Pubs. Ent. 57: 63, figs. 71, 72. cJ, 9. 

 truttae Cockerell. N. Mex., Ariz. Pollen: Unknown, but visits flowers of Iris missouriensis. 



Synhalonia truttae Cockerell, 1905. Entomologist 38: 147. 6,9. 

 venusta carinata (Timberlake). Cahf.; Mexico (Baja California). Pollen: Apparently strictly 

 oligolectic on Clarkia unguiculata. 

 Tetralonia venusta carinata Timberlake, 1961. Pan-Pacific Ent. 37: 212. 6. 



