Success of Cyphocleonus achates on spotted knapweed

Cyphocleonus achates release made in 1988 on spotted knapweed at Cinnamon Ridge, Kamloops.

MoFR staff collecting Cyphocleonus achates , August 28, 1992. September 1996

 

Cyphocleonus achates 1989 and 1999 release at 9 Mile West.  Supplimented with Agapeta zoegana in 1992 and 1994 and Larinus minutus in 1996.

1993
1997
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