Success of Aphthona nigriscutis and A. cyparissiae on Leafy Spurge
Aphthona nigriscutis 1994 release on Leafy Spurge at Campbell Creek, Kamloops.
Aphthona cyparissiae (July 21, 1989) and Aphthona nigriscutis (July 27, 1990) releases made on Leafy spurge near Juniper Heights.
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