Superfamily APOIDEA 1751 



louisae Cockerell. Tex. west to south. Calif.; Mexico. Pollen: Polylectic, produces two 



generations annually, the spring brood visits various Compositae (e.g., Baileya, Encelia, 

 Geraea, Lasthenia, Malacothrix) and desert shrubs including Agave, Cercidiitm and 

 Larrea. The autumnal brood obtains pollen exclusively from Compositae (e.g., 

 Clirysofhavnius, Haplopappus, Lepidospartiim). Predator: Philanthus gibbosus (Fabr.). 



Colletes louisae Cockerell, 1897. Ann. and Mag. Nat. Hist. (6) 19: 46. S. 



Colletes tucsonensis Cockerell, 1906. Canad. Ent. 38: 163. 6. 

 rufocinctus Cockerell. Minn, west to Alta., south to S. Dak., Colo., Ariz. Pollen: Polylege of 

 Compositae including Aster paniculatus, Grindelia squarrosa, Helianthus petiolaris, 

 Solidago canadensis, S. rigicia. Taraxacum vulgare. 



Colletes rufocinctus Cockerell, 1929. Ann. and Mag. Nat. Hist. (10) 4: 298. 6. 



Colletes truncatus Timberlake, 1943. Amer. Mus. Nat. Hist., Bui. 81: 396. 9. 

 simulans armatus Patton. N. S. south to N. C, west to Nebr. and Alta. Pollen: Oligolege of 

 autumnal flowering Compositae including Aster ericoides, Baccharis, Bidens aristosa, 

 Eupatorium, Solidago ca^iadeyisis, S. graminifolia, S. yienwralis, S. ulmifolia, but also 

 visits Cicuta viaculata, Polygonum hydropiperoides for nectar. Predator: Philanthus 

 albopilosus Cress. 



Colletes arynata Patton, 1879. Boston Soc. Nat. Hist., Proc. 20: 143. 9, d. 



Colletes scitula Patton, 1879. Boston Soc. Nat. Hist., Proc. 20: 144. 6. 



Colletes spinosa Robertson, 1891. Amer. Ent. Soc, Trans. 18: 60. 9, 6. 



Biology: Evans, 1975. Ent. Soc. Amer., Ann. 68: 891 (predator). 

 simulans miamiensis Mitchell. Fla. (Miami). Intergrades between Colletes s. simulans and C. 

 s. yniamiensis occur in Miss, and Tex. Pollen: Presumably oligolege of autumnal 

 flowering Compositae, but has been collected only on one occasion at flowers oi Bidens 

 pilosa. 



Colletes simulans miamiensis Mitchell, 1951. Elisha Mitchell Sci. Soc, Jour. 67: 236. S. 

 simulans nevadensis Swenk. B. C, Wash., Oreg., Calif., Nev., Utah. Pollen: Oligolege of 

 autumnal flowering Compositae including Baccharis emoryi, Chrysothamnus 

 vicidiflorus, Gutierrezia califomica, G. confinis, G. sarothrae, Haplopappus acradenius, 

 H. bemardina, H. pinifolius, H. vemonioides, Lepidospartiim squamatum, Solidago 

 lucida, but also visits Eriogonum and Melilotus alba for nectar. 



Colletes nevadensis Swenk, 1908. Nebr. Univ., Dept. Ent. Contrib. 1: 52. 6. 

 simulans simulans Cresson. Nebr. west to B. C, Colo., Ariz. Pollen: Oligolege of autumnal 

 flowering Compositae including Aster, Bigelovia wrightii, Grindelia, Senecio. 



Colletes simulans Cresson, 1868. Boston Soc. Nat. Hist, Proc. 12: 168. 6. 



Colletes bigeloviae Cockerell, 1897. Ann. and Mag. Nat. Hist. (6) 19: 40. 9. 



Colletes brevispinosus Viereck, 1903. Amer. Ent. Soc, Trans. 29: 62. 9. 



Colletes tegularis Swenk, 1905. Canad. Ent. 37: 304. 9. 



Colletes coloradensis Cockerell, 1933. Ent. Soc. Amer., Ann. 26: 41. 6. 

 slevini Cockerell. B. C. to Wyo., south to Calif, and Ariz.; Mexico (Baja California). Pollen: 

 Polylectic, visiting a wide variety of flowers including Adenostoma fasciculatum, A. 

 sparsifolium, Amorpha fruticosa, Aster, Baccharis pilularis, Bigelovia, Ceanothus 

 integerrimus, C. palmeri. Chrysanthemum, Chrysothamnus pumilis, Cirsium, 

 Eriogonuyn elatuyn, E. eloyigatuyn, E.fasciculatuyn, E. latifolium yiuduyn, E. 

 pluynatella, E. subscaposuyn, E. wrightii. Euphorbia albomargiyiata, Freynoyitia 



■ califomica, Gutierrezia califoryiica, G. lucida, Haplopappus pahueri, H. piyiifolius, H. 

 vemoyiioides, Heteroyneles arbutifolia, Lepidium virgiyiicuyn, Malvastruyn thurberi, 

 Melilotus, Nolina, Phacelia frigida, Rhayrnius califoryiica, Rhus trilobata, Ribes roezlii, 

 Solidago califoryiica, Spheyiosciadiuyn capitellatum, Stephanomeria exigua. 



Colletes sleviyii Cockerell, 1925. Calif. Acad. Sci., Proc (4) 14: 185. 9. 



Colletes eriogoni Cockerell, 1939. Pan-Pacific Ent. 15: 188. 6,9. 

 trigonatus Cockerell. Colo. 



Colletes trigoyiatus Cockerell, 1933. Ent. Soc Amer., Ann. 26: 42. 9. 



utilis Cockerell. N. Mex. 



Colletes utilis Cockerell, 1897. Ann. and Mag. Nat. Hist. (6) 19: 39. 9. 



