Success of  Aphthona nigriscutis and A. cyparissiae on Leafy Spurge

Aphthona nigriscutis 1994 release on Leafy Spurge at Campbell Creek, Kamloops.

1994
June 5, 1998
 
  1998 sign

Aphthona cyparissiae (July 21, 1989) and Aphthona nigriscutis (July 27, 1990) releases made on Leafy spurge near Juniper Heights.

July 31, 1991 August 5, 1998
July 31, 1991
August 5, 1998
Top