A review of the North and Central American Megachile subgenus Argyropile Mitchell (Hymenoptera: Megachilidae) Author Gonzalez, Victor H. Author Griswold, Terry L. text Zootaxa 2007 1461 1 14 journal article 10.5281/zenodo.176447 4e0587de-9bf5-4780-a4f1-eb07decf5c74 1175-5326 176447 Megachile ( Argyropile ) townsendiana Cockerell Cockerell 1898 : 129, ♂. Type locality: Las Cruces, New Mexico . Type repository: CAS. Ayala et al. 1997 : 455 [distribution in Mexico ] Yañez-Ordóñez & Hinojosa-Díaz 2004 : 188 [distribution in Mexico ] Mitchell 1937 : 54 (Figs. mandible, genitalia and associated sterna, Pls. V and VI); 1943a: 13; 1962: 161 [♂ genitalia and associated sterna, Fig. 50 , 52 and 55; Fig. 51 , mandible of Ψ and ♂] bishoppi Cockerell, 1915 : 535, ♂. Type locality: Paris, Texas, USA . Type repository: USNM. Mitchell 1937 : 54 [synonymy with townsendiana ] FIGURES 25–38. Fore coxa (25–27), sterna four (28–29), and five (30–32) of males. Terga six, dorsal and ventral views (33–35) and seven, dorsal view (36–38) of males. M. flavihirsuta (28); M. longuisetosa sp. nov. (25, 30, 33, 36); M. rossi (26, 29, 31, 34, 37); M. sabinensis (27, 32, 35, 38). Distribution . Southwestern United States to northern Mexico . Floral records. Actinella , Baileya multiradiata , B. pleniradiata , Encelia frutescens , Geraea canescens , Chrysopsis villosa , Haplopappus acuadenius , Helianthus debilis , Hoffmanseggia— Leguminosae, Hymenopappus filifolius , Larrea tridentata— Zygophyllaceae , Lepidium montanum— Brassicaceae , Medicago sativa— Fabaceae , Melanthera parviflora , Pectis papposa, Phacelia robusta— Hydrophyllaceae , Prosopis— Leguminosae, Verbesina encelioides, Wislizenia refracta— Capparaceae .