1850 Hymenoptera in America North of Mexico 



texana Timberlake. Tex. (Archer, Gillespie and Throckmorton Counties). Pollen: Unknown, but 

 visits flowers of Teucrium laciniatum. 

 Protandrena texana Timberlake, 1976. Amer. Ent. Soc, Trans. 102: 211, figs. 76, 77, 78. S. 

 tidestromiae Timberlake. N. Mex., Ariz. Pollen: Collects pollen from flowers of Tidestromia 

 including T. lanuginosa, but visits other flowers presumably for nectar including 

 Verbesi7ia. 

 Protandrena tidestromiae Timberlake, 1976. Amer. Ent. Soc, Trans. 102: 212, figs. 79, 80, 

 81. 9, cJ. 

 trifoliata (Cockerell). N. Mex., Ariz. Pollen: Unknown, but visits flowers of Baccharis 

 glutinosa, Euphorbia capitellata, Solanum, Trifolium, Verbesina. 

 Andrena trifoliata Cockerell, 1896. Canad. Ent. 28: 179. 9. 



Taxonomy: Timberlake, 1976. Amer. Ent. Soc, Trans. 102: 215-217, figs. 82, 83, 84. 6. 

 verbesinae (Timberlake). West Tex. to Ariz.; Mexico (Coahuila and Durango). Pollen: 



Unknown, but visits flowers of Asclepias, Baileya, Heterotheca, Pedis, Verbesina 

 encelioides. 

 Psaenytkia verbesinae Timberlake, 1955. Bol. Lab. Zool. Gen. Agr. 33: 402. 9, cJ. 



Taxonomy: Timberlake, 1976. Amer. Ent. Soc, Trans. 102: 222-224, figs. 88, 89, 90 (geogr. and 

 floral records). 



Genus PANURGINUS Nylander 



Panurginus Nylander, 1848. Notiser Sallskapet Flora Fauna Fenn. 1: 228. 



Type-species: Panurginus niger Nylander. Monotypic. 

 Greeleyella Cockerell, 1904. Entomologist 37: 235. 



Type-species: Greeleyella beardsleyi Cockerell. Monotypic and orig. desig. 

 Birkmania Viereck, 1909. Ent. Soc. Wash. Proc. 11: 50. 



Type-species: Panurginus polytrichus Cockerell. Monotypic and orig. desig. 

 (=Birkmania andrenoides Viereck). 



Revision: Crawford, 1926. Ent. Soc. Wash., Proc. 28: 207-214. — Michener, 1935. Canad. Ent. 

 67: 275-278 (species with blackfaced males). 



Taxonomy: Rozen, 1966. Amer. Mus. Novitates 2259: 5, 10-12, figs. 17-28 (larvae). 

 armaticeps Cockerell. South. Calif. Pollen: Unknown, but visits flowers of Ceanothus 



integerrimus, Cryptantka intermedia, Gilia integrifolia, Phacelia davidsonii, P. distans, 

 Pote7itilla glandulosa, Prunus demissa, Rhamnus crocea, Salix laevigata. 

 Panurginus armaticeps Cockerell, 1916. Ann. and Mag. Nat. Hist. (8) 17: 280. "9" = 6. 



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

 atramontensis Crawford. Md. to Ga., Miss. Pollen: Unknown, but visits flowers of Polycodium. 

 Panurginus atramontensis Crawford, 1926. Ent. Soc. Wash., Proc. 28: 210. cJ, 9. 



Taxonomy: Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 259-260, figs. 59-61, table 8 

 (redescription). 

 atriceps (Cresson). Idaho, Wash., Oreg., Calif. Pollen: Collects pollen from flowers of Dowingia 

 bella or D. cuspidata, but also visits flowers of Ceanothus dentatus, C. integei-rinnis, 

 Cryptantha intermedia, Lasthenia chrysostoma, Montia perfoliata, Nemophila 

 maculata, N. pulchella, Ranuncuhis, Rhamnus crocea, Rhus diversiloba, Tamarix 

 gallica. Predator: Philanthus pulcher Dalla Torre. 

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



Taxonomy: Cockerell, 1898. Amer. Ent. Soc, Trans. 25: 194. 9. —Cockerell, 1925. Calif Acad. 

 Sci., Proc (4) 14: 198. i, 9. —Rust, 1976. Pan-Pacific Ent. 52: 165, figs. 3, 10-16 (larva). 



Biology: Rust, 1976. Pan-Pacific Ent. 52: 161-166, figs. 2-9 (nest site, nest architecture, cell 

 provisions, adult and immature habits). 

 beardsleyi (Cockerell). N. Dak., Nebr., Colo. Pollen: Unknown, but visits flowers of 

 Malvastrum. 

 Greeleyella beardsleyi Cockerell, 1904. Entomologist 37: 236. 9. 



