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