1822 Hymenoptera in America North of Mexico 



Genus ANDRENA Subgenus PTILANDRENA Robertson 



Ptilandrena Robertson, 1902. Amer. Ent. Soc, Trans. 28: 192. 

 Type-species: Andrena erigeniae Robertson. Orig. desig. 



Taxonomy: Lanham, 1949. Calif. Univ. Pubs. Ent. 8: 215 (tax. characters). — LaBerge, 1964. 

 Nebr. Univ. State Mus., Bui. 4: 283, 290, 307-308 (tax. characters). —Davis and LaBerge, 

 1975. 111. Nat. Hist. Survey, Biol. Notes 95: 2 (included spp.). 

 distans Provancher. Canada; Minn, to New England, south to N. C. Pollen: Unknown, but 

 visits flowers of Geranium maculatum, Heracleum lanatum, Polemonium reptans. 

 Andrena distayis Provancher, 1888. Addit. Corr. Faune Ent. Canada, Hym., p. 307. 9,6. 

 Andrena g. maculati Robertson, 1897. Acad. Sci. St. Louis, Trans. 7: 333. 9,6. Trinomial. 

 Andrena gerani-maculati Viereck, 1907. Ent. News 18: 282. 9. 



Taxonomy: Viereck, 1907. Ent. News 18: 282, 286. 9, 6 (key). —Mitchell, 1960. N. C. Agr. 

 Expt. Sta. Tech. Bui. 141: 154-155, figs. 27, 29-30, table 4 (redescription, synonymy). 

 erigeniae Robertson. Ont. to Ga., west to Minn., Mo. and Okla. Parasite: Leucophora obtusa 



(Zett.), Stylops erigeniae Pierce. Pollen: Apparently collects pollen only from the flowers 

 of Claytonia virginica with which it is largely coterminous, but visits these and other 

 flowers for nectar including Barbarea vulgaris, Collinsia vema, Dicentra laciniata, D. 

 cucullaria, Erigenia bulbosa, Erythronium americanum, Hydrophyllum appendiculata, 

 Isopyrum bitematum, Prunus, Veronica hederaefolia. 

 Ayidrena erigeniae Robertson, 1891. Amer. Ent. Soc, Trans. 18: 52. 9, <J. 



Taxonomy: Robertson, 1902. Amer. Ent. Soc, Trans. 28: 192. 9, 6 (key). —Mitchell, 1960. N. 

 C. Agr. Expt. Sta. Tech. Bui. 141: 155-156, figs. 27, 29-31, table 4 (redescription). —Davis 

 and LaBerge, 1975. 111. Nat. Hist. Survey, Biol. Notes 95: 13, figs. 13, 16-24 (immature 

 stages). 



Biology: Davis and LaBerge, 1975. 111. Nat. Hist. Survey, Biol. Notes 95: 1-16, figs. 1-25, 1 

 table (nest, architecture, life history, provisioning, inquilinism, parasitism). 

 polemonii Robertson. 111., Mich. Pollen: Unknown, but visits flowers of Geranium maculatum, 

 Polemonium reptans. Ranunculus septentrionalis. 

 Andrena polemonii Robertson, 1891. Amer. Ent. Soc, Trans. 18: 54. 9, 6. 



Taxonomy: Robertson, 1902. Amer. Ent. Soc, Trans. 28: 190, 192. 9, 6 (key). —Robertson 

 1904. Canad. Ent. 36: 278. (tax. characters). —Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. 

 Bui. 141: 157-158, figs. 27, 31, table 4 (redescription). 



Genus ANDRENA Subgenus RHAPHANDRENA LaBerge 



Andrena subg. Rhaphandrena LaBerge, 1971. Amer. Ent. Soc, Trans. 97: 507. 

 Type-species: Andreyia prima Casad and Cockerell. Orig. desig. 



Revision: LaBerge, 1971. Amer. Ent. Soc, Trans. 97: 507-514, figs. 1, 3, 6, 59-68 (N. Amer. 

 spp.). 

 dapsilis LaBerge. Tex., Okla. Pollen: Unknown, but visits flowers of Descourainia pinnata 

 brachycarpa, Lesquerella. 

 Andrena (Rhaphandrena) dapsilis LaBerge, 1971. Amer. Ent. Soc, Trans. 97: 511, figs. 6, 

 64-68. 9,6. 

 prima Casad. West. Tex. to south. Calif, and north. Utah. Pollen: Apparently an oligolege of 

 the brassicaceous flowers, especially Lesquerella including L. gordonii, but visits other 

 flowers presumably for nectar including Alyssum, Brassica oleracea, Cryptantha 

 probably jamesii, Dithyrea wislizenii, Geraea canescens, Prunus. 

 Andrena prima Casad, 1896. Ann. and Mag. Nat. Hist. (6) 18: 78. 9 . 



Taxonomy: Cockerell, 1898. Denison Univ. Sci. Labs., Bui. 11: 48. 9 (key). — Linsley and 

 MacSwain, 1961. Pan-Pacific Ent. 37: 129 (subgeneric assignment). 



Genus ANDRENA Subgenus SCAPHANDRENA Lanham 



Andrena subg. Scaphaiidrena Lanham, 1949. Calif. Univ. Pubs. Ent. 8: 200. 



Type-species: Andrena montrosensis Viereck and Cockerell. Orig. desig. 



