2054 Hymenoptera in America North of Mexico 



Prunella, Psedera, Psoralea, Pycnanthemum, Pyrrlwpappus, Rhus, Richardia, Robinia, 

 Rosa, Rubus, Rudbeckia, Salix, Senecio, Silpliium, Solidago, Specularia, Spiraea, 

 Stachys, Strophostyles, Suriana, Sympkoricarpos, Tephrosia, Teucrium, Trifolium, 

 Trilisia, Vaccinium, Verbena, Verbesina, Venwnia glauca, Veronica, V eronicastrum 

 virginicum, Vicia, Zinnia, Zizia. Predator: Pyemotes ve7itricosus (Newport), Vidia sp. 

 Megackile mendica Cresson, 1878. Amer. Ent. Soc, Trans. 7: 126. 9. 



Taxonomy: Rau, 1922. Acad. Sci. St. Louis, Trans. 24: 39 (life history). 



Biology: Koerber and Medler, 1959. Wis. Acad. Sci., Arts and Letters 47: 56 (geogr. records). 



— Medler, 1965. Ent. Soc. Wash., Proc. 67: 113-116, 1 table (life history, nest architecture, 



cocoon, parasites). — Krombein, 1967. Trap-nesting wasps and bees, pp. 322-325 (life 



history, nest architecture, supersedure, parasites, predators). — Medler and Lussenhop, 



1968. Wis. Univ. Res. Bui. 274: 25-26 (nesting habits). 

 mendica snowi Mitchell. Colo., N. Mex., Ariz. Pollen: Apparently polylectic, visits flowers of 

 Asclepias, Ceanothus, Chilopsis, Cleome, Eriogonum, Geranium, Gilia, Helenium, 

 Heliopsis, Heterotlieca, Ligustrum, Lupinus, Marrubium vulgare, Melilotus, Robinia, 

 Rudbeckia, Verbesina, Viguiera. 



Megachile mendica snowi Mitchell, 1927. Psyche 34: 113. 9. 

 texana Cresson. Que. to Fla., west to B. C. and Calif. Ecology: Nests in preexisting holes in 

 the ground. Parasite: Coelioxys moesta Cress., C. octodentata Say, C. rufitarsis Sm., C. 

 soda I is Cress. Pollen: Polylectic, visits a wide variety of flowers especially Leguminosae, 

 Compositae, and Labiatae, but also commonly takes pollen from Larrea tridentata 

 (Zygophyllaceae) in the southwestern U. S.; visitation records include Acacia greggii, 

 Acerates, Achillea lanulosa, Afzelia, Agave deserti, Althaea rosea, Alyssuin 

 maritimuni, Apocynum androsaemifolium, Amorpha fruticosa, Asclepias galioides, A. 

 mexicana, A. speciosa. Aster, Baccharis emoryi, Baptisia, Berberis, Blephilia, Buddleia, 

 Calycadenia multiglandulosa, Chaniaecrista fasciculata, Chrysothamnus, Cirsinm, 

 Clematis ligusticifolia, Clethra, Convolvulus, Cordylanthus nevinii. Coreopsis, 

 Crotalaria, Croton califoniicus, Cryptantha, Dianthera, Elephantopus carolinianus, 

 Eriastruni virgatum, Eriogonum elongatum, E.fasciculatum, E. latifolium var. 

 nudum, E. subscaposum, E. wrightii, Erigeron coulteri, Eupatorium, Euphorbia, 

 Frasera parryi, Galactia, Gilia inconspicua, Gutierrezia sarothrae, Haplopappus, 

 Helenium, bigelovii, Helianthus, Hypericum, Hyptis emoryi, Kuhnistera oligophylla,' 

 Larrea tridentata, Liatris, Lotus nevadensis, L. scoparius, Lupinus longipes, 

 Marrubium vulgare, Medicago saliva, Melilotus alba, Monardella lanceolata, Nepeta, 

 Molina, Opuntia, Oxydendron, Penstemon, Petalostemon candidum, Phacelia 

 heterophylla, Phaseolus, Phyla nodiflora, Pluchea camphorata, Polygala, Polygonum 

 aubertii, Psoralea, Pycnanthemum, Pyrrhopappus, Rhamnus califomica, Rhus, Rubus, 

 Sapi7idus, Schinus molle, Serinea, Silphium, Solidago (alifomica, S. confinis, Stachys, 

 Stanleya pinnata, Strophostyles, Tamarix, Tephrosia, Trifolium, Verbena, Vicia, 

 Viguiera laciniata. 



Megachile texana Cresson, 1878. Amer. Ent. Soc, Trans. 7: 125. 3 (9 misdet.). 



Megachile generosa Cresson, 1878. Amer. Ent. Soc, Trans. 7: 125. 9. 



Megachile schismatura Cockerell, 1908. Ann. and Mag. Nat. Hist. (8) 1: 267. 6. 



Megachile cleomis Cockerell, 1900. Ann. and Mag. Nat. Hist. (7) 6: 13. 9, d. 



Megachile pruinosa Friese, 1903. Ztschr. System. Hym. Dipt. 3: 246. 9, 6. Preocc. 



Megachile voiionensis Cockerell, 1912. Canad. Ent. 44: 354. "9" = 6. 



Biology: Rau, 1922. Acad. Sci. St. Louis, Trans. 24: 38 (nest, as generosa). —Hicks, 1926. 

 Colo. Univ. Studies 15: 228 (nest, as cleomis). —Krombein, 1953. Ent. Soc. Wash., Proc. 

 55: 84-85 (nest). —Medler and Lussenhop, 1968. Wis. Univ. Res. Bui. 274: 30 (nest). 

 — Krombein, 1970. Ent. Soc. Wash., Proc. 72: 415 (nest). — Hurd and Linsley, 1975. 

 Smithsn. Contrib. Zool. 193: 37-38 (floral relationships). 



Genus MEGACHILE Subgenus NEOMEGACHILE Mitchell 



Megachile subg. Neomegachile Mitchell, 1934. Amer. Ent. Soc, Trans. 59: 302, 307. 

 Type-species: Megachile chichimeca Cresson. Orig. desig. 



