Superfamily APOIDEA 1851 



Panurginus maivastri Swenk and Cockerell, 1907. Ent. News 18: 179. 6, 9. 



Taxonomy: Cockerell, 1906. Canad. Ent. 38: 164. 6. 

 bilobatus Michener. South. Calif. Pollen: Unknown, but visits flowers of Astragalus, 



Crypta7itha intermedia, Gilia integrifolia, Lastbenia gracilis, Phacelia distans, P. 

 hispida, Rha^nnus crocea, R. ilicifolia. Salvia coiumbariae, Salix laevigata. Sisymbrium 

 irio. 

 Panurginus bilobatus Michener, 1937. Ann. and Mag. Nat. Hist. (10) 19: 322. 6, 9. 

 ceanothi Michener. South. Calif. Pollen: Unknown, but visits flowers of Ceanotkus. 



Pannrginns ceanothi Michener, 1935. Pan-Pacific Ent. 11: 180. 6. 

 cressoniellus Cockerell. Colo., N. Mex. Predator: Philanthus pulcher Dalla Torre. 

 Calliopsis clypeata Cresson, 1878. Amer. Ent. Soc, Trans. 7: 67. 6. Preocc. 

 Panurginus cressoniellus Cockerell, 1898. Canad. Ent. 30: 29. N. name. 

 Panurginus cressoniellus calockorti Cockerell, 1906. Ann. and Mag. Nat. Hist. (7) 17: 222. 



9. 

 /Panurginus verus Cockerell, 1901. Psyche 9: 163. 9. 



Taxonomy: Cockerell, 1897. Acad. Nat. Sci. Phila., Proc. 49: 350. 6,9. — Viereck, 1903. Amer. 

 Ent. Soc, Trans. 29: 49. 6. —Cockerell, 1912. Ent. News 23: 445 (synonymy). 

 emarginatus Michener. Calif. 



Panurginus emargiiiatus Michener, 1935. Pan-Pacific Ent. 11: 179. 6, 9. 

 gabrielis Michener. South. Calif.; Mexico (Baja California). Pollen: Unknown, but visits flowers 

 of Arctostaphylos glauca, Ceanothus crassifolius, C. greggii, C. leucodennis, C. 

 vei~rucosus, Rhainnus californica, R. crocea. 

 Panurginus gabrielis Michener, 1935. Canad. Ent. 67: 276. S. 



Taxonomy: Michener, 1937. Ann. and Mag. Nat. Hist. (10) 19: 321 (tax. characters). 

 gracilis Michener. Calif.; Mexico (Baja California). Pollen: Unknown, but visits flowers of 

 Arctostaphylos pungens, Baccharis, Ceanothus crassifolius, C. verrucosus, Lasthenia 

 chrysostoma, Rhainnus crocea, Salix lasiolepis, Salvia mellifera. 

 Panurginus gracilis Michener, 1935. Canad. Ent. 67: 276. 6,9. 

 ineptus Cockerell. Colo., Wash., Oreg., Utah. 



Panurginus ineptus Cockerell, 1922. Amer. Mus. Novitates 36: 8. 9. 

 Panurginus bakeri Crawford, 1926. Ent. Soc. Wash., Proc. 28: 213. 6. Preocc. 

 Panurginus rohweri Crawford, 1932. Ent. Soc. Wash., Proc. 34: 78. N. name. 



Taxonomy: Timberlake, 1971. Pan-Pacific Ent. 47: 148 (tax. status, synonymy). 

 maritimus Michener. Calif. 



Panurginus maritimus Michener, 1935. Pan-Pacific Ent. 11: 178. 6. 



Taxonomy: Michener, 1935. Canad. Ent. 67: 277. 9. 

 melanocephalus (Cockerell). Calif. Parasite: Zodion cinereiventre Van Duzee, Z. nigrifrons 

 Krober. Pollen: Collects pollen of Ranunculus califomicus, but visits these and other 

 flowers for nectar. 

 Panurgus melanocephalus Cockerell, 1926. Pan-Pacific Ent. 3: 80. 6, 9 . 

 Panurginus morrisoni Crawford, 1926. Ent. Soc. Wash., Proc. 28: 209. 6. 



Taxonomy: Michener, 1953. Kans. Univ. Sci. Bui. 35: 1036, figs. 86-88 (larva). — Rozen, 1966. 

 Amer. Mus. Novitates 2259: 12, figs. 21-23 (larva). 



Biology: MacSwain and Bohart, 1947. Pan-Pacific Ent. 23: 30 (parasite). — Linsley and 

 MacSwain, 1959. Calif. Univ. Pubs. Ent. 16: 20-21, 28 pi. 6 (nest, life history, mating, sex 

 ratio, floral relationships, parasite). 

 nigrellus Crawford. Calif. Pollen: Unknown, but visits flowers of Arctostaphylos, Baccharis 

 glutinosa, Cryptantha intermedia, Lasthenia chrysostoma, Nemophila pulchella. 

 Ranunculus califomicus, Salix lasiolepis, Tamarix gallica. 

 Panurginus nigrellus Crawford, 1926. Ent. Soc. Wash., Proc. 28: 210. 6. 



Taxonomy: Michener, 1935. Pan-Pacific Ent. 11: 180. 9. 

 nigrihirtus Michener. Calif. 



Panurginus nigrihirtus Michener, 1935. Pan-Pacific Ent. 11: 179. 6, 9. 



