Published online by Cambridge University Press: 31 May 2012
Parts I and II of this paper were published as Supplements 15 and 18 accompanying Volume XCH and Parts III, IV, V, and VI as Supplements 21,23, 26 and 27 accompanying Volume XCIII of The Canadian Entomologist. The pagination of Part VII is continuous with that of Part VI. Unless otherwise specified, footnote, figure and table references apply only to the part in which they are found.