2060 Hymenoptera in America North of Mexico 



gemula gemula Cresson. MacKenzie to N. S., south to Ga., west to 111., Nebr., N. Mex., and 

 Calif, north to B. C. and N. W. T., principally montane in south, part of range. Pollen: 

 Unknown, but visits flowers of Apocynum androsaemifoUum, Asclepias speciosa, 

 Baptisia tinctoria, Campanula rotundifolia, Chrysanthemum leucanthemuyn, Clematis, 

 Coreopsis, Geranium macutata, Gerardia, Hydrangea, Philadelphus, Pycnanthemum, 

 Rhododendron catawabiense, Rubus, Rudbeckia, Solidago lanceolata, Trifolium, 

 Vaccinium, Vicia. 



Megachile gemula Cresson, 1878. Amer. Ent. Soc, Trans. 7: 118. 6 (9 misdet.). 



Megachile avaria Cresson, 1878. Amer. Ent. Soc, Trans. 7: 123. 6. 



Megachile Vancouveriensis Provancher, 1888. Addit. Corr. Faune Ent. Canada, Hym., p. 

 424. 6. 



Megachile albula Lovell and Cockerell, 1907. Psyche 14: 18. 6. 



Megachile (Delomegachile) gemula xnr.fulvogemula Mitchell, 1936. Amer. Ent. Soc, 

 Trans. 61: 185. 9. 



Taxonomy: Titus, 1906. Ent. Soc Wash., Proc 7: 151 (synonymy). 



Biology: Fye, 1965. Canad. Ent. 97: 876-877, fig. 6, tables 2-4 (nest). — Medler and Lussenhop, 



1968. Wis. Univ. Res. Bui. 274: 22 (nest). 

 giliae Cockerell. Alaska, N. W. T., B. C, Alta., Colo. Pollen: Unknown, but visits flowers of 

 Gilia. 



Megachile giliae Cockerell, 1906. Amer. Mus. Nat. Hist., Bui. 22: 452. 6. 

 ingenua Cresson. Pa. to Fla., west to 111. Pollen: Possibly oligolectic on Tephrosia including T. 

 virginiana, but also visits flowers of Lupinus and Vacciyiium presumably for nectar. 



Megachile ingenua Cresson, 1878. Amer. Ent. Soc, Trans. 7: 122. 6. 



Megachile tephrosiana Mitchell, 1927. Psyche 34: 179. 9. 

 melanophaea calogaster Cockerell. B. C. and Idaho to mts. of cent. Calif. Pollen: Apparently 

 polylectic, visits flowers of Astragalus, Hackelia jessicae, Haplopappus aparagoides, 

 Horkelia fusca, Lotus oblongifolius, Lupiyius lyallii lyallii, L. superbus, Mimulus 

 moschatus, M. tillingi, Pedicularis frigida, P. groenlandica, Phyllodoce breweri, 

 Polemonium occidentale, Streptanthus tortuosus. 



Megachile calogaster Cockerell, 1898. Acad. Nat. Sci. Phila., Proc. 50: 55. 6, 9. 

 melanophaea melanophaea Smith. MacKenzie to Newfoundland, south to Calif., Ariz., Colo., 

 Penn. and Ga.? Parasite: Coelioxys rufitarsis Sm., C. sodalis Cress. Pollen: Apparently 

 polylectic, visits a wide variety of flowers including Agastache occidentaiis, Apocynum, 

 Astragalus bisulcatus. Azalea, Campanula rotundifolia, Chamaenerion angustifolium, 

 Cypripedium reginae, Epibolium angustifolium, Helianthus, Hemilobus tenellus, 

 Lupinus argenteus, L. rootkatensis, Medicago sativa, Mimulus, Nolina, Phacelia, 

 Psoralea argophylla, Ranu7iculus, Raphanus, Rhodora, Robiiiia, Rosa, Rubus, 

 Rudbeckia, Solidago, Symphoricarpos occidentaiis. Sisymbrium, Taraxacu^n, Vicia 

 eracea. 



Megachile melanophaea Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 191. 9,6. 



Megachile canadensis Friese, 1903. Ztschr. System. Hym. Dipt. 3: 248. 



Taxonomy: Cockerell, 1905. Amer. Ent. Soc, Trans. 31: 336 (synonymy). 



Biology: Graenicher, 1905. Wis. Nat. Hist. Soc, Bui. 3: 162-163 (life history, parasite). 

 melanophaea rohweri Cockerell. Colo., Utah, Ariz., N. Mex. Ecology: Uses pieces of 



Symphoricarpos leaves for nesting material. Pollen: Presumably polylectic, visits 

 flowers of Cirsium, Erysimum, Lupinus, Nolina, Robinia, Sisytnbrium, Trifolium. 

 Megachile wootoni rohiveri Cockerell, 1906. Amer. Mus. Nat. Hist.. Bui. 22: 453. 9. 

 Megachile pseudolatimanus Strand, 1917. Arch. f. Naturgesch. 83 (abt. A, h. 11): 65. S. 

 Megachile tuala Strand, 1917. Arch. f. Naturgesch. 83 (abt. A, h. 11): 66. 9. 

 melanophaea submelanophaea Mitchell. South. Calif., mts., Maine, Mich. Pollen: Presumably 

 polylectic, visits flowers of Dicentra chrysantha, Lupinus. 

 Megachile (Delomegachile) ynelanophaea var. submelanophaea Mitchell, 1935. Amer. Ent. 

 Soc, Trans. 61: 197. 9. 



