1802 Hymenoptera in America North of Mexico 



picta Mitchell. N. Y. (Ithaca). 



Andreiia (Leucandrena) picta Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 214. 9. 

 placida placida Smith. Alaska to N. S., south to Va., Ohio, 111., Mich., Minn, and Calif. Parasite: 

 Meloe opacus LeC, M. strigulosus Mann., Stylops sp.?. Pollen: Polylectic, analyzed pollen 

 stores reveal that a given female, with one exception, provisions her cells with only one 

 kind of pollen which in California consisted of predominantly pollen of Eschscholzia 

 caiifomica, while others stored pollen of a ligulate Compositae (Agoseris^), legume 

 (Lupinus^), and a crucifer (Raphaiius^); visitation records for other flowers include 

 Acer, Amelanchier, Fragaria, Layia camosa, Prunus, Pyrus malus, Taraxacum, 

 Viburnum. 



Andrena placida Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 112. 9. 



Andrena macilenta Provancher, 1888. Addit. Corr. Faune Ent. Canada, Hym., p. 313. 9,6. 



Andrena macgillivrayi Cockerell, 1897. Entomologist 30: 308. 9. 



Andrena salicacea Robertson, 1900. Acad. Sci. St. Louis, Trans. 10: 48. 9. 



Taxonomy: Morice and Cockerell, 1901. Canad. Ent. 33: 151 (type of placida). —Cockerell, 

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

 214-216, figs. 40-42, table 6 (redescription). —Thorp and Stage, 1968. Ent. Soc. Amer., Ann. 

 61: 1583-1584, figs. 3-9. (immature stages, chromosome number). 



Biology: Clements and Long, 1923. Carnegie Inst. Wash., Pub. 336: 249 (ecology). —Thorp 

 and Stage, 1968. Ent. Soc. Amer., Ann. 61: 1580-1586, 9 figs., table (nest architecture, life 

 history, floral realtionships, parasites). 

 placida sapellonis Cockerell. Colo., N. Mex. 



Andreyia sapellonis Cockerell, 1900. Ann. and Mag. Nat. Hist. (7) 5: 19. 9. 

 recta Mitchell. Minn, to N. Y. south to N. C. Pollen: Unknown, but visits flowers oi Helianthus 

 anniius. Predator: Philanthus sp. 

 Andrena (Leucandrena) recta Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 217, fig. 

 43. 9. 

 seavillensis Mitchell. N. J. (South Seaville). 



Andrena {? Leucandrena) seavillensis Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 

 217, fig. 43. 9. 

 trapezoidina Viereck and Cockerell. Nebr. 



Andrena trapezoidina Viereck and Cockerell, 1914. U. S. Natl. Mus., Proc. 48: 58. 9. 



Genus ANDRENA Subgenus MELANDRENA Perez 



Melandrena Perez, 1890. Soc. Linn. Bordeaux, Actes 44: 170. 



Type-species: Andrena niorio Brulle. Desig. by Hedicke, 1933. 

 Andrena subg. Gymnandrena Hedicke, 1933. Berlin Zool. Mus., Mitt. 19: 213. 



Type-species: Apis thoracica Fabricius. Orig. desig. 

 Andrena subg. Cryptandrena Lanham, 1949. Calif. Univ. Pubs. Ent. 8: 222. Preocc. 



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

 Andrena subg. Bythandrena Lanham, 1950. Ent. News 61: 140. N. name. 



Taxonomy: LaBerge, 1964. Nebr. Univ. State Mus., Bui. 4: 310, 311 (tax. characters, as 

 Gymnandrena and Melandrena. —LaBerge, 1971. Pan-Pacific Ent. 47: 47 (synonymy). 

 bisignata Mitchell. Mass. to N. C, west to Minn. Pollen: Unknown, but visits flowers of 

 Erythronium americanum. Ilex verticillata, Prunus serotina, Pyrus malus, Salix 

 sericea. Viburnum acerifolium. 

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

 122, figs. 20, 22, 23. 9,6. 

 bryanti Cockerell. Alta. 



Andrena bryanti Cockerell, 1938. Canad. Ent. 70: 5. 9. 

 carlini carlini Cockerell. N. S. to Ga., west to Minn., Colo., Wyo. and Oreg.?, B. C? Pollen: 

 Apparently polylectic, visits flowers oi Amelanchier, Anemonella, Arabis, Brassica, 

 Cercis, Chaerophyllum, Claytonia, Cornus, Dentaria, Dicentra, Erigenia, Erythronium, 

 Hepatica, Heracleum, Hydrophyllum, Isopyrum, Malus, Polemonium, Prunus, Pyrus, 



