No CrossRef data available.
Published online by Cambridge University Press: 31 May 2012
This paper belongs with the series on local species—Andreninæ, Megachilidæ and Bombinæ, Tr. Am. Ent. Soc., 28: 187;29: 163; Sphecodinæ, Ent. News, 14: 103; Balictinæ, Nomadinæ, Epeolinæ, Anthophila, Can. Ent., 34: 245; 35: 172, 284; 36: 37.