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 XCII and Parts III, IV as Supplements 21,23 accompanying Volume XCIII and Part V as Supplement 26 accompanying Volume 94 (volume numbers changed to arabic numerals January 1962 ) of The Canadian Entomologist. The pagination of Part VI is continuous with that of Part V. Unless otherwise specified, footnote, figure and table references apply only to the part in which they are found.