Superfamily APOIDEA 2067 



Megachile bishoppi Cockerell, 1915. Ann. and Mag. Nat. Hist. (8) 15: 535. 6. 

 tulariana Mitchell. Calif. (Lemon Cove). 



Megachile (Argyropile) parallela var. tulariana Mitchell, 1937. Amer. Ent. Soc, Trans. 63: 

 53. 9. 



Genus MEGACHILE Subgenus XANTHOSARUS Robertson 



Xanthosarus Robertson, 1903. Amer. Ent. Soc, Trans. 29: 168. 



Type-species: Megachile lativianus Say. Monotypic and orig. desig. 

 cochisiana Mitchell. N. Mex., Ariz., Nev., south, and east. Calif., Mexico. Ecology: Uses pieces 

 cut from leaves of grape for nest construction. Pollen: Unknown, but visits flowers of 

 Cercidium, Lotus ainericaiius, Medicago satiim. 

 Megachile {Xanthosarus) cochisiana Mitchell, 1934. Amer. Ent. Soc, Trans. 59: 313. 6. 

 Megachile (Xanthosarus) pallidiana Mitchell, 1934. Amer. Ent. Soc, Trans. 59: 314. 9. 



Taxonomy: Mitchell, 1942. Pan-Pacific Ent. 18: 116. 9. 

 comata Cresson. Kans., Tex., Colo., N. Mex., Ariz., Calif.; Mexico. Pollen: Unknown, but visits 

 flowers of Asclepias, Gilia, Lotus, Marrubium vulgare, Phacelia, Senecio. 

 Megachile comata Cresson, 1872. Amer. Ent. Soc, Trans. 4: 262. 6. 

 Megachile annata Smith, 1879. Descr. New Species Hym. Brit. Mus., p. 80. 6. 

 Megachile paratexana Mitchell, 1930. Amer. Ent. Soc, Trans. 56: 226. 9. 

 dentitarsus Sladen. Alta., Wash., Mont., N. Dak., S. Dak., Wyo., Nebr., Colo., Utah, N. Mex., 

 Ariz. Ecology: Cuts pieces of grape leaves for nesting material. Pollen: Unknown, but 

 visits flowers of Aster, Cleome serrulata, Grindelia squarrosa, Gutierrezia sarothrae, 

 Helianthus petiolaris, Medicago sativa, Melilotus, Solidago, Trifolium pratense, 

 Verbena. 

 Megachile diligens Sladen, 1918. Agr. Gaz. Canada 5: 125. d, 9. Preocc. 

 Megachile dentitarsus Sladen, 1919. Canad. Ent. 51: 85. N. name. 



Taxonomy: Sladen, 1918. Canad. Ent. 50: 303. 

 innupta Cockerell. Colo. 



Megachile innupta Cockerell, 1915. Ann. and Mag. Nat. Hist. (8) 15: 534. 9. 

 latimanus Say. Alta. to N. S., south to Ga., Kans., Wyo. and Colo. Parasite: Coelioxys 



funeraria Sm., C. rufitarsis Sm. Pollen: Polylectic, visits a wide variety of flowers 

 including Abutilon, Agastache, Althaea rosea, Amorpha, Apocynum androsaeynifolium, 

 Arabis, Asclepias, Aster, Astragalus, Baptisia, Bidens, Blephilia, Boltonia, Campanula 

 petiolata, Carduus, Cassia, Cephalanthus, Chamaenerion, Chrysopsis, Cirsium, Cleome, 

 Convolvulus, Coreopsis, Epilobium angustifolium, Eupatorium, Gaillardia, Gerardia, 

 Grindelia, Helenium, Helianthus, Hieracium, Hydrophyllum, Kuhnistera, Lactuca, 

 Lepachys, Lespedeza, Liatris, Maivastrum, Medicago sativa, Melilotus alba, Mentzelia, 

 Monarda, Penstemon cyanthus, Petalostemon, Physostegia, Polemonium, Potentilla, 

 Psoralea, Pycnanthemum, Rosa, Rudbeckia, Ruellia, Solidago, So7ichus, Stachys, 

 Strophostyles, Taraxacum, Teucrium, Traumeria, Trifolium repens. Verbena, 

 Verbesina, Vemo^iia, Vicia. 



Megachile latimanus Say, 1823. West. Quart. Rptr. 2: 81. 6. 



Megachile femorata Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 188. 6. 



Megachile acuta Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 192. 9. 



Megachile vidua Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 192. 9. 



Biology: Graenicher, 1905. Wis. Nat. Hist. Soc, Bui. 3: 162-163, figs. 4, 4a, 5 (life history, nest 

 architecture, parasite). — Medler and Lussenhop, 1968. Wis. Univ. Res. Bui. 274: 24 (nest, 

 parasite). 



Morphology: Mitchell, 1932. Elisha Mitchell Sci. Soc, Jour. 47: 52-54, pi. 4 (gynandromorph). 

 perihirta Cockerell. Alta. to Nebr. and Tex., west to B. C. and Calif., Mich.?; Mexico. Parasite: 

 Coelioxys grindeliae Ckll., C. octodentata Say, C. rufitarsis Sm., Dasymutilla fulvohirta 

 (Cress.) Nemognatha lutea LeC, Physocephala fronto (Will.). Pollen: Polylectic, visits 

 flowers of many families, especially those of the family Compositae; visitation records 

 include Arnica, Asclepias galioides. Aster adscendens, A. canescens, A. foliaceus, 



