1800 Hymenoptera in America North of Mexico 



duboisi Timberlake. North. Calif. Pollen: Unknown, but visits flowers oi Lasthenia 

 chrysostoma, Layia platyglossa. 

 Andrejia (Hesperandrena) duboisi Timberlake, 1951. U. S. Natl. Mus., Proc. 101: 390. 9,6. 

 escondida Cockerell, South. Calif.; Mexico (Baja California). Pollen: Unknown, but visits 

 flowers of Encelia, Layia platyglossa. 

 Andrena escondida Cockerell, 1938. Ann. and Mag. Nat. Hist. (11) 2: 146. 6. 

 lativentris Timberlake. Calif. Pollen: Unknown, but visits flowers of Amsinckia intermedia. 



Coreopsis maritima, Hemizonia pungens, Lasthenia chrysostoma, L. gracilis, L. tenella, 

 Layia platyglossa. 

 Andrena (Hesper andrena) lativentris Timberlake, 1951. U. S. Natl. Mus., Proc. 101: 388. 9, 

 6. 

 limnanthis Timberlake. Calif. Pollen: Possibly an oligolege of Limnanthes including L. 



douglasii, but visits other flowers including Chamaehatia foliolosa, Layia platyglossa, 

 Raphanus sativus. 

 Andrena (H esperandrena) limnanthis Timberlake, 1951. U. S. Natl. Mus., Proc. 101: 387. 

 9,<J. 



Genus ANDRENA Subgenus lOMELISSA Robertson 



lomelissa Robertson, 1900. Acad. Sci. St. Louis, Trans. 10: 50. 

 Type-species: Andrena violae Robertson. Monotypic. 



Taxonomy: Lanham, 1949. Calif. Univ. Pubs. Ent. 8: 207 (tax. characters). — LaBerge, 1964. 

 Nebr. Univ. State Mus., Bui. 4: 284, 288, 300 (tax. characters). 

 violae Robertson. N. Y. to N. C, west to 111. and Colo. Pollen: Obtains pollen solely from the 

 flowers of Viola, but visits other flowers for nectar including Cardamine, Ellisia, 

 Oxalis, Potentilla. 

 Andrena violae Robertson, 1891. Amer. Ent. Soc, Trans. 18: 53. 9, d. 

 Andrena davisi Viereck, 1907. Ent. News 18: 283. 9. 



Taxonomy: Cockerell, 1914. Ann. and Mag. Nat. Hist. (8) 14: 10. 9 (key). —Lanham, 1941. 

 Ent. Soc. Amer., Ann. 34: 706, 707. 9, 6 (key). —Mitchell, 1960. N. C. Agr. Expt. Sta. 

 Tech. Bui. 141: 252-254, figs. 54-56 (redescription, synonymy). 



Genus ANDRENA Subgenus LARANDRENA LaBerge 



Andrena subg. Larandrena LaBerge, 1964. Nebr. Univ. State Mus., Bui. 4: 304. 

 Type-species: A^idrena miserabilis Cresson. Orig. desig. 



Revision: Ribble, 1967. Nebr. Univ. State Mus., Bui. 6: 27-42, figs. 1-5, 1 table, 1 map. 



Taxonomy: LaBerge and Ribble, 1972. Amer. Ent. Soc, Trans. 98: 308 (tax. status). 

 miserabilis Cresson. Transcont. south. Canada and U. S., south to Fla., Ala., Miss., Tex., N. 

 Mex., Utah and Calif.; Mexico (Tamaulipas). Parasite: Leucophora obtusa (Zett.), 

 Nomada sp., Stylops bipunctata Pierce, S. oklahomae Pierce. Pollen: Polylectic, 

 principally obtains pollen from the flowers of Rosaceae and Salicaceae; visitation 

 records include Amelanchier, Antennaria, Arabis, Aronia, Berberis, Brassica, Capsella, 

 Cardamine, Ceanothus, Cercis, Cercocarpus, Claytonia, Comandra, Convolvulus, 

 Comus, Crataegus, Cydonia, Dentaria, Erigenia, Exochorda, Fragaria, Hepatica, 

 Heracleum, Ilex, Isopyrum, Mains, Pri(7ius, Ptelea, Pyracayitha, Pyrus, Ranmiculus, 

 Rhamnus, Rhus, Rubus, Salix, Solidago, Sorbaria, Spiraea, Stachys, Staphylea, 

 Stellaria, Taraxacum, Viburnum, Viola, Zanthoxylum. 



Andrena clypeata Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 115. 9. Preocc. 



Andrena miserabilis Cresson, 1872. Amer. Ent. Soc, Trans. 4: 259. 9 (cJ misdet.). 



Andrena bipunctata Cresson, 1872. Amer. Ent. Soc, Trans. 4: 259. S. 



Andrena flavoclypeata Smith, 1879. Descr. New Species Hym. Brit. Mus., p. 54. S. 



Andrena scutellaris Robertson, 1893. Amer. Ent. Soc, Trans. 10: 148. 9. Preocc. 



Anthrena clypeolata Dalla Torre, 1896. Cat. Hym., v. 10, p. 133. N. name. 



Anthrena scutellata Dalla Torre, 1896. Cat. Hym., v. 10, p. 151. N. name. 



Andrena pennsylvanicola Viereck, 1907. Ent. News 18: 284. 9. 



Andrena pronitens Cockerell, 1930. Ann. and Mag. Nat. Hist. (10) 5: 114. 9. 



