2052 Hymenoptera in America North of Mexico 



Megachile perbrevis Cresson, 1878. Amer. Ent. Soc, Trans. 7: 127. 6. 



Taxonomy: Michener, 1953. Kans. Univ. Sci. Bui. 35: 1057, figs. 151-153, 157 (larva). 

 — Michener, 1953. Kans. Univ. Sci. Bui. 35: 1663 (tax. status). 



Biology: Rau, 1922. Acad. Sci. St. Louis, Trans. 24: 39 (nesting habits). — Rau, 1934. Acad. 

 Sci. St. Louis, Trans. 28: 220 (nesting habits). — Rockwood, 1951. Pan-Pacific Ent. 27: 155 

 (nest, parasite). -Michener, 1953. Kans. Univ. Sci. Bui. 35: 1659-1748, 31 figs, (life history, 

 nest and associates). —Donahue, 1954. Nature Mag. 47: 300-302 (life history). — Medler and 

 Lussenhop, 1968. Wis. Univ. Res. Bui. 274: 19-20 (life history, parasites). 

 brevis onobrychidis Cockerell. Southwest. U. S., intergrading with typical brevis Say in a wide 

 area from Nebr. and Tex. to Pacific Coast from Calif, to B. C. and Idaho. Ecology: Uses 

 grape leaves for nesting material. Parasite: Coelioxys ociodentaia Say. Pollen: 

 Polylectic, visits a wide variety of flowers especially Compositae, Leguminosae and 

 Labiatae, visitation records include Achillea laniilosa, A. iniUefoliuin, Agastaclie, 

 Asclepias eriocarpa, A. niexicana, Bigelovia, Brassica geniculata, Calochortus litteus, C. 

 venustiis, Calycadetiia innltiglandulosa, Calyptridiiim unibellatn))!, Centaurea 

 solstitialis, Cercidiii))t, Chamaebafia foliolosa, Clirysotlia)tniHii noiiseosus speciosits, C. 

 viscidiflorus typicus, Cirsiiivi califoDiicnni, Clarkia dudleyana, C. speciosa speciosa, C. 

 itnguiculata, Cleomella obtitsifolia, CohvoIvuIhs aridus, Cordylantliiis filifolius, C. 

 pilosus, Coreopais lanceolata, Corethrogyne beniardiua, Crepis vescicaiia, Croton 

 califoniicits, Cryptantha intermedia, EriastruDi virgatuin, Erigeron canadensis, 

 Eriodicfyon, Eriogonuni fasciculation, E. gracile, E. laiifoUitni var. nudum, Eryngium 

 aristatulutn, Eschscholzia califoniica, Foeniculum vulgare, Frankenia grandiflora, 

 Grindelia caniporum, G. hallii, Gntierrezia califoniica, G. lucida, G. sawfhrae, 

 Haplopappus arborescens, H. bloomeri var. angustatus, H. pachylepis, H. pabnevi, H. 

 venetus, Heleniuni, Helianflius, Heliotropiuvi cumssavicuni, He))ii:onia fasciculata, H. 

 luzulaefolia, H. pungens, H. wrightii, Hefeivtheca grandiflora, Hoffnianseggia 

 microphylla, Lotus aviericaiius, L. glaber, L. hamatus, L. humistratus, L. pursliianus, 

 L. scoparins, L. strigosus, Lupinns micrantlius, Lythrmn califomicuni, Malacothanrnus 

 arcuatus, Marrnbiuni vulgare, Medicago saliva, Metilotus alba, M. indica, Mi))Uilus 

 brevipes, Onobrychis, Phacelia distans, P. ramosissima. Phyla lanceolata, P. nodiflora 

 var. rosea. Polygonum aubertii, Ribes, Rudbeckia serotina, Prosopis, Salix, Salvia 

 clevelandii, Sida hederacea, Solidago califoniica, S. occidentalis. Spiraea, Stanleya 

 pinnata, Stephatiomeria exigua, S. virgata, Trichostema lanceolatum laxuni, T. parishii, 

 T. repens, T. variegatuyn. Verbena lasiostachys, Wislizenia refracta. 

 Megachile onobrychidis Cockerell, 1908. Ann. and Mag. Nat. Hist. (8) 1: 266. 6. 



Taxonomy: Michener, 1953. Kans. Univ. Sci. Bui. 35: 1663 (tax. status). 

 brevis pseudobrevis Mitchell. N. C. to Fla. and Miss. Pollen: Presumably polylectic, visits 



flowers of Afzelia, Chrysopsis, Crotalaria, Erigeron, Galactia, Gaylussacia, Heleniuni, 

 Helia)ithus, Lupinus, Melilotus, Opuntia, Polygonum, Rhus, Rubus, Solidago, Suriana, 

 Trilisa, Vacciniitm. 

 Megachile (Litomegachile) brevis var. pseudobrevis Mitchell, 1936. Amer. Ent. Soc, Trans. 

 61: 20. 9, 6. 



Taxonomy: Mitchell, 1962. N. C. Agr. Expt. Sta. Tech. Bui. 152: 116 (tax. status). 

 coquilletti Cockerell. Idaho and Utah, west to B. C. to south. Calif, and Ariz. Pollen: 



Apparently polylectic, visits a wide variety of flowers including Asclepias erosa, A. 

 mexicana, A. speciosa, Baccharis, Brassica geniculata, B. incana, Brodiaea crocea, 

 Centaurea solstitiatis, Cercidium torreyanum, Cirsium vulgare, Clarkia unguiculata, 

 Cleome serrulata, Cordylanthus pilosus, C. rigidns, Croton californicus, Cryptantha 

 intermedia, Eriastruvi virgatuni, Erigeron stenophyllus, E. elatnni, E.fasciculatum 

 var. polifolium, E. latifoliuni var. nudum, E. plumatella, Eriophyllum confertiflorum, 

 Frasera parryi, Grindelia, Gutierrezia sarothrae, Heliaiithns gracilentus, Lotus 

 americanus, L. glaber, L. scoparius, Marrubium vulgare, Medicago saliva, Melilotus 

 alba, Phacelia ra)iiosissi}na, Pluchea cainphorata. Phyla filiformis, P. lanceolata, 

 Rhamnus californicus, Solidago, Swertia parryi. 

 Megachile mendica coquilletti Cockerell, 1915. Ann. and Mag. Nat. Hist. (8) 15: 535. c^. 



