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Soybeans
Volume 57 Number 8 Date 05/30/2012 SOYBEAN APHID - Surveys for aphids in the southwest and west-central counties were negative as of May 30. The initial colonization of Wisconsin soybeans can be anticipated by mid-June. BEAN LEAF BEETLE - Soybean fields in La Crosse, Monroe, Richland and Vernon counties are showing 2-10% of plants with minor defoliation caused by this insect. Damage is currently limited to a few holes in the leaves, but injury could become more severe next week as additional beetles migrate to emerging soybeans. --Krista Hamilton, DATCP Entomologist 
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