Submitted on: 16 April 2003.
Revised on: 31 July 2003.
Accepted on: 25 August 2003.
___________________CANADIAN ENTOMOLOGIST---CAMBRIDGE UNIV PRESS
http://reply.papertrans.cn/1/46/4539/4539-32.png
http://reply.papertrans.cn/1/46/4539/4539-33.png
Submitted on: 10 March 2009.
Revised on: 18 May 2009.
Accepted on: 29 May 2009.
___________________CANADIAN ENTOMOLOGIST---CAMBRIDGE UNIV PRESS
http://reply.papertrans.cn/1/46/4539/4539-35.png
http://reply.papertrans.cn/1/46/4539/4539-36.png