2064 Hymenoptera in America North of Mexico 



hilata Mitchell. Colo., Utah, east. Calif. 



Megachile (Xeromegachile) hilata Mitchell, 1934. Amer. Ent. Sec, Trans. 59: 332. 9. 

 hookeri Cockerell. Colo., Utah. 



Megachile hookeri Cockerell, 1915. Ann. and Mag. Nat. Hist. (8) 15: 533. 9. 



impartita Mitchell. Colo., east. Calif. 



Megachile (Xeromegachile) impartita Mitchell, 1934. Amer. Ent. Soc, Trans. 59: 333. 9. 



instita Mitchell. N. Mex., Calif., Ariz.; north. Mexico. Pollen: Possibly an oligolege of the 

 Leguminosae, visits flowers of Acacia, Cercidiiim, Cirsium, Prosopis. 

 Megachile (Xeromegachile) iyistita Mitchell, 1934. Amer. Ent. Soc, Trans. 59: 326. 6. 

 Integra Cresson. N. J. to Fla., West to 111., Kans., and Tex. Pollen: Unknown, but visits flowers 

 of Erigeron, Galactia, Glycina, Koellia, Phaseolus, Pycnanthem.um., Strophostyles 

 umbellata. 

 Megachile Integra Cresson, 1878. Amer. Ent. Soc, Trans. 7: 121. S . 

 Megachile strophostylis Robertson, 1904. Canad. Ent. 36: 277. 9. 

 integrella Mitchell. N. C, Fla. Pollen: Unknown, but visits flowers of Hypericum, 

 Oxydendrum. 

 Megachile integrella Mitchell, 1926. Amer. Ent. Soc, Trans. 52: 116. 9. 

 inyoensis Mitchell. Calif., Ariz. Pollen: Unknown, but visits flowers of Encelia. 



Megachile (Xeromegachile) inyoensis Mitchell, 1942. Pan-Pacific Ent. 18: 117. 9. 

 laguniana Mitchell. South. Calif. 



Megachile {Xeromegachile) laguniana Mitchell, 1937. Amer. Ent. Soc, Trans. 63: 419. 9. 

 latita Mitchell. Wyo., Colo. 



Megachile (Xeromegachile) latita Mitchell, 1934. Amer. Ent. Soc, Trans. 59: 335. 9. 

 legalis Cresson. Colo., Nev., Ariz., Wash., Oreg., east. Calif. Pollen: Unknown, but visits 

 flowers of Cirsium, Encelia farinosa. Iris, Senecio. 

 Megachile legalis Cresson, 1879. Amer. Ent. Soc, Trans. 7: 209. 6. 

 Megachile (Xeromegachile) couleeana Mitchell, 1938. Pan-Pacific Ent. 14: 171. 9. 

 macneilli Mitchell. Calif. (Riverside Co.). 



Megachile (Xeromegachile) macneilli Mitchell, 1957. Pan-Pacific Ent. 33: 24. 6. 

 manifesta Cresson. Alta., Mont., N. Dak. to N. Mex., Ariz., south. Calif. Pollen: Unknown, but 

 visits flowers oi Aster, Chrysothamnus 7iauseosus speciosus, Cleome, Grindelia 

 squarrosa, G. sarothrae, Haplopappus, Helianthus, Viguiera. 

 Megachile manifesta Cresson, 1878. Amer. Ent. Soc, Trans. 7: 122. 3. 

 Megachile chrysothamni Cockerell, 1908. Ann. and Mag. Nat. Hist. (8) 1: 262. 9. 

 maurata Mitchell. Wyo., east. Calif., Ariz. Pollen: Unknown, but visits flowers of Encelia, 

 Sphaeralcea. This is probably the male of M. (Derotropis) subanograe Mitchell. 

 Megachile (Xeromegachile) maurata Mitchell, 1936. Amer. Ent. Soc, Trans. 62: 369. S. 

 micheneri Mitchell. Colo., Calif. Pollen: Unknown, but visits flowers of Viguiera multiflora. 

 Megachile (Xeromegachile) micheneri Mitchell, 1936. Amer. Ent. Soc, Trans. 62: 373. 6. 

 mojavensis Mitchell. South, and east. Calif., Ariz. Pollen: Unknown, but visits flowers of Aster, 

 Chaenactis, Encelia, Phacelia. 

 Megachile (Xeromegachile) mojavensis Mitchell, 1934. Amer. Ent. Soc, Trans. 59: 340. 9. 

 mucorosa Cockerell. Nebr., Kans., Tex., Wyo., Colo., N. Mex., Utah, Ariz. Pollen: Unknown, but 

 visits flowers oi Eu stoma issenianum, Helianthus, Monarda, Ratibida coiumnaris. 

 Megachile mucorosa Cockerell, 1908. Ann. and Mag. Nat. Hist. (8) 1: 265. 6. 

 Megachile (Argyropile) nebraskana Mitchell, 1934. Amer. Ent. Soc, Trans. 59: 347. 9. 

 nelsoni Mitchell. Colo. 



Megachile (Xeromegachile) nelsoni Mitchell, 1936. Amer. Ent. Soc, Trans. 62: 381. 9. 

 nevadensis Cresson. Mont, and Wyo. to N. Mex., west to Wash, and Calif., La. (Winnfield). 



Pollen: Apparently an oligolege of autumnal flowering Compositae, including Chrysopsis 

 villosa, Chrysothamnus bernardina, C. 7iauseosus, C. n. consimilis, C. n. mohavensis, C. 

 n. speciosus, C. pumilis, C. viridulus, C. viscid if lorus typicus, Grindelia camporum, 

 Haplopappus acradenius, H. bloomeri var. angustatus, H. linearifolius, H. vemonioides, 

 Helianthus, Heterotheca grandiflora, Pluchea camphorata, Senecio douglasii, Solidago 



