Success of Cyphocleonus
achates on spotted knapweed
- Cyphocleonus achates release made in 1988 on spotted knapweed at Cinnamon Ridge, Kamloops.
- Cyphocleonus achates 1989 and 1999 release at 9 Mile West. Supplimented with
Agapeta zoegana in 1992 and 1994 and Larinus minutus in 1996.
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