Superfamily APOIDEA 1799 



Castanea pumila, Ceanothus, Ciciita maculata, Cirsium, Hydrangea, Pastinaca sativa, 



Ptelea, Salix, Svida, Trifolium, Viburnum dentatum, V. molle. 

 Andrena fragilis Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 115. 6. 

 Andrena laticeps Provancher, 1888. Addit. Corr. Fauna Ent. Canada, Hym., p. 307. S. 



Preocc. 

 Andrena provanckeri Dalla Torre, 1896. Cat. Hym. v. 10, p. 147. N. name. 



Taxonomy: Morice and Cockerell, 1901. Canad. Ent. 33: 149 (type of fragilis). — Cockerell, 

 1906. Psyche 13: 7 (type of fragilis). —Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 

 231-232, figs. 46-49, table 6 (redescription). -LaBerge and Ribble, 1972. Amer. Ent. Soc, 

 Trans. 98: 278-284, figs. 2, 10-14 (redescription, synonymy). 

 Integra Smith. Que. and Ont, south to N. C, west to Minn, and Kans. Pollen: Possibly an 



oligolege of Cortius including C. stolonifera, but visits other flowers including Achillea, 

 Aninais, Barbarea vulgare, Crataegus, Cryptotaenia, Melilotus alba, M. officinalis, 

 Pastinaca, Ptelea, Rhus, Viburnum, Vitis. 

 Andrena integra Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 114. 9. 

 Andrena lineata Provancher, 1888. Addit. Corr. Faune Ent. Canada, Hym., p. 309. 9. 

 Andre7ia (Gonandrena) lucifera Cockerell, 1932. Canad. Ent. 64: 155. 9. 



Taxonomy: Morice and Cockerell, 1901. Canad. Ent. 33: 124 (type of integra). —Cockerell, 



1906. Psyche 13: 6 (type of integra). —Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 



232-233, figs. 46-49, table 6 (redescription). —LaBerge and Ribble, 1972. Amer. Ent. Soc, 



Trans. 98: 284-287, figs. 2, 15-19 (redescription, synonymy). 

 nigrifrons (Cresson). Ont. and N. H. south to N. C, west to Man., Minn., Nebr., Kans. and Tex. 

 Pollen: Possibly polylectic, although seems to prefer pollen of Comus including C. 

 asperifolia, C. paniculata, C. racemosa, C. sericea, C. stolonifera, but visits other 

 flowers including Achillea, Barbarea vulgaris, Ceanothus americanus, Cryptotaenia 

 canadensis, Erigeron philadelphus, Hieraceum, Lotus comiculatus, Melilotits alba, M. 

 officinalis, Ptelea trifoliata, Rhus glabra, Rubus, Sambucus americanus. Spiraea 

 aruncus, S. vanhouttei, Taraxacum, Toxicodendron, Viburnum dentatum, Zizia aurea. 



Panurgus nigrifrons Cresson, 1878. Amer. Ent. Soc, Trans. 7: 62. 6. 



Andrena platyparia Robertson, 1895. Amer. Ent. Soc, Trans. 22: 119. 9, S. 



Andrena (Andrena) barbarica Viereck, 1917. Amer. Ent. Soc, Trans. 43: 369. 9. 



Andrena (Gonandrena) monroensis Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 

 233. 9. 



Taxonomy: LaBerge and Ribble, 1972. Amer. Ent. Soc, Trans. 98: 287-292, figs. 3, 20-21 

 (redescription, synonymy). 

 persimulata Viereck. N. S. to N. W. T. and Alta., south to Conn., N. Y., Mich., Wis., Minn., 



Nebr., Colo, and Utah. Pollen: Possibly an oligolege of Comus including C. asperifolia, 

 C. stolonifera, but visits other flowers including Angelica atropurpurea, Crataegus, 

 Deutzia gracilis, Fragaria, Lomatium dissectum. Polygonum convolvulus, Pnimis, 

 Spiraea, Taraxacum officinalis. Viburnum. 

 Andrena (Gonandrena) persimulata Viereck, 1917. Amer. Ent. Soc, Trans. 43: 390. 9. 



Taxonomy: Atwood, 1934. Canad. Jour. Res. 10: 206, 209. 9, 6 (key). —Mitchell, 1960. N. C. 

 Agr. Expt. Sta. Tech. Bui. 141: 235-236, figs. 45-46, 48, table 6 (redescription). —LaBerge 

 and Ribble, 1972. Amer. Ent. Soc, Trans. 98: 292-296, figs. 4, 22-23 (redescription). 



Genus ANDRENA Subgenus HESPERANDRENA Timberlake 



Andrena subg. H esperandrena Timberlake, 1949. hi Lanham, Calif. Univ. Pubs. Ent. 8: 

 208. 



Type-species: Andrena escondida Cockerell. Orig. desig. 



Taxonomy: LaBerge, 1964. Nebr. Univ. State Mus., Bui. 4: 283, 293, 301 (tax. characters). 

 baeriae Timberlake. Calif. Pollen: Apparently an oligolege of the flowers of Lasthenia 



including L. aristata, L. chrysostoma, L. gracilis, but visits other flowers including 

 Eriophyllum co7ifertiflorum, Layia platyglossa, Lessingia germanorum., Senecio 

 calif omica. 

 Andrena baeriae Timberlake, 1941. South. Calif. Acad. Sci., Bui. 39: 194. 9, <J. 



