MEGACHILIDAE 487 



latisulcata Michenei'. Transf. from subg. IVothosmia Ashmead, p. 1169 {teste 

 Sinha, 1958, loc. cit. supra, p. 245). 



OSMIA subgenus DICERATOSMIA Robertson 



Transfer from p. 1162, and place as a subgenus of Osmia after subg. 

 Trichinosmia Sinha, p. 1171. 



conjuncta (Cresson). Tex. On flowers of many families, especially Legumin- 

 osae and Scrophulariaceae. Nests in snail shells. 

 Biology: Rau, 1937. Ent. Soc. Amer. Ann. 30: 330. 



*subfasciata miamiensis Mitchell. Southern Fla. On flowers of Crotalaria. 



Osmia ( Diceratosniia) subfasciata miamiensis Mitchell, 1962. N. C. Agr, 



Expt. Sta. Tech. Bull. 152: 84. 9, $. 



subfasciata subfasciata (Cresson). N. J. to Kans., south to Fla. and Tex.; 

 northern Mexico. On many flowers, chiefly Compositae, Legumin- 

 osae and Rosaceae. Nesting in abandoned beetle borings in struc- 

 tural timber. 



Genus MEGACHILE Latreille, pp. 1172-1183 



Taxonomy: Michener, 1962. N. Y. Ent. Soc. Jour. 70: 17-29. 



In the publication noted above Michener divides the old genus Megachile 

 into three genera, Megachile, Chalicodoma Lepeletier, and Creightonella 

 Cockerell. The latter genus does not occur in North America. All of the 

 subgenera occurring in North America belong to Megachile except Chelosto- 

 moides Robertson and Archimegachile Alfken, which belong in Chalicodoma. 



MEGACHILE subgenus LITOMEGACHILE Mitchell, p. 1172 



brevis brevis Say. On many flowers of a number of families, especially Com- 

 positae, Leguminosae, and Labiatae. 



brevis pseudobrevis Mitchell, changed status. On a number of flowers, espe- 

 cially Compositae and Leguminosae. 

 Megachile (Litomegachile) pseudobrevis Mitchell. Reduced to subsp. 

 rank (teste Mitchell, 1962, loc. cit. supra, p. 116). 



gentilis Cresson. Nests in twigs of Sambucus. 



Biology: Bechtel, 1958. Pan-Pacific Ent. 34: 12. 



mendica Cresson. On flowers of many families, especially those of Composi- 

 tae, Leguminosae, and Labiatae. 



pseudobrevis Mitchell. A subsp. of brevis Say. 



texana Cresson. On many flowers, especially Leguminosae, Compositae, and 

 Labiatae. 



MEGACHILE subgenus MEGACHILE Latreille, p. 1173 



centuncularis (Linnaeus). Nests in borings in wood and carpet rolls. Visits 

 many flowers, especially Leguminosae and Compositae. 

 Biology: Medler, 1959. Canad. Ent. 91: 113-115, 1 fig. 



inennis Provancher. Visits many flowers, especially Compositae and Legu- 

 minosae. Nests in borings in wood. 

 Biology: Medler, 1958. Canad. Ent. 90: 325-327, 1 fig. 



montivaga Cresson. Visiting flowers of many families, but particularly Com- 

 positae. 



nivalis Friese. On flowers of Elaeagnus and Taraxacum. 



relativa Cresson. Ga., Tenn. Nests in borings in wood. On flowers of several 

 families, particularly Compositae and Leguminosae. 

 Biology: Medler and Koerber, 1958. Ent. Soc. Amer. Ann. 51: 337-344. 3 

 figs. 



MEGACHILE subgenus EUTRICHARAEA Thomson, p. 1174 

 apicalis Spinola. On flowers of Centaurea cyanus. 



