1758 Hymenoptera in America North of Mexico 



Species Group Daleae 



algarobiae Cockerell. Tex., N. Mex., Utah, Ariz., south Calif.; north. Mexico; deserts. Pollen: 

 Apparently oligolege of Prosopis including P. glajidulosa, P. pubescens, but also visits 

 flowers of Cercidhan torreyanum, Dalea, Eriogonum, Melilotus, Rhus. 

 Colletes algarobiae Cockerell, 1900. Entomologist 33: 244. 6,9. 

 clypeonitens Swenk. South Calif., Ariz., Nev., Utah, west. Tex. Parasite: Epeoius niesillae 

 (CklL). Pollen: Oligolege of Larrea tridentata, but also visits flowers of Cercidium 

 floridum, Dalea polyadenia. 

 Colletes clypeonitens Swenk, 1906. Canad. Ent. 38: 39. 9. 

 covilleae Timberlake. South. Calif., Ariz.; Mexico (Baja Calif.). Pollen: Apparently oligolege of 

 Larrea tridentata. 

 Colletes covilleae Timberlake, 1951. Wasmann Jour. Biol. 9: 231. 6,9. 

 daleae Cockerell. Utah, Tex. to Calif.; Mexico (Baja Calif.). Pollen: Unknown, but visits flowers 

 of Dalea scopai'ia, Eriogonum fasciculatiim, E. gracilentum, Prosopis, Rhus laurina. 

 Colletes daleae Cockerell, 1897. Ann. and Mag. Nat. Hist. (6) 19: 43. 6. 

 deserticola Timberlake. N. Mex., Ariz., Calif.; Mexico (Baja Calif.). Parasite: Epeoius pusillus 

 Cress. Pollen: Apparently oligolege of Prosopis, including P. glandulosa, but also visits 

 flowers of Melilotus indica. 

 Colletes deserticola Timberlake, 1951. Wasmann Jour. Biol. 9: 232. 6,9. 

 petalostemonis Swenk. N. Dak. and Nebr. to Alta., Ariz., and Calif. Pollen: Unknown, but 

 visits flowers of Dalea polyadenia, Melilotus alba, Petalostemon flavescens. 

 Colletes petalostemonis Swenk, 1906. Canad. Ent. 38: 40. 9, 6. 

 prosopidis Cockerell. Tex., N. Mex., south. Calif.; north. Mexico; deserts. Pollen: Apparently 



oligolege of Prosopis, including P. glandulosa var. torreyanum, but also visits flowers of 

 Melilotus indica. 

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

 salicicola Cockerell. Tex. to south. Calif., deserts. Pollen: Polylege of a wide variety of plants, 

 including Acacia, Cercidium, Dalea, Eriogonum, Hyptis, Larrea, Prosopis, but also 

 visits flowers of Asclepias, Phacelia and Salix for nectar. 

 Colletes salicicola Cockerell, 1897. Ann. and Mag. Nat. Hist. (6) 19: 50. 9 . 

 solitarius Timberlake. Calif. (Inyo Co.). 



Colletes solitarius Timberlake, 1951. Wasmann Jour. Biol. 9: 216. 9. 

 Stephen! Timberlake. Calif. (Riverside Co.). Pollen: Oligolege of Larrea tridentata, but also 

 visits flowers of Cercidium floridum and Geraea canescens for nectar. 

 Colletes stepheni Timberlake, 1958. Pan-Pacific Ent. 34: 143. 6,9. 



Biology: Hurd and Powell, 1958. Pan-Pacific Ent. 34: 147-153, 1 fig. (nesting habits, male 

 behavior). 



Species Group Aridus 



aridus Stephen. Tex., N. Mex. Pollen: Unknown, but visits flowers of Phacelia popei. 

 Colletes aridus Stephen, 1954. Kans. Univ. Sci. Bui. 36: 494, fig. 75. 6, 9. 



Species Group Titusensis 



titusensis Mitchell. Fla. (Titusville, Tampa). 



Colletes titusensis Mitchell, 1951. Elisha Mitchell Sci. Soc, Jour. 67: 237, figs. 16, 17. 6. 



Species Group Longifacies 



longifacies Stephen. Fla. Pollen: Unknown, but visits flowers of Liatris laevigata. 

 Colletes longifacies Stephen, 1954. Kans. Univ. Sci. Bui. 36: 500. 9. 



Taxonomy: Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 43. 



Species Group Unassigned 



platycnema Snelling. Ariz. (Huaehuca Mts.). Pollen: Unknown, but visits flowers of Acacia 

 angustissima. 

 Colletes platycnema Snelling, 1975. Los Angeles Co. Mus., Contrib. Sci. 267: 2, figs. 5-8. 6, 

 9. 



