Sweet corn was grown in 9.3 m2 replicated plots following National Organic Program Standards. Plots were baited with Benallure® beneficial insect lures containing 2-phenylethanol or were left as non baited controls. Beneficial insects were sampled weekly during silking using 232 cm2 yellow sticky traps placed at ear height directly in the plot center and 0.9 m from plot center in each cardinal direction. Pink lady beetles [Coleomegilla maculata (DeGeer)], multicolored Asian lady beetles [Harmonia axyridis (Pallas)], and green lacewings [Chrysoperla carnea (Stephens)], were the predatory insects collected on the traps. The pink lady beetle was the most abundant predator caught. Multicolored Asian lady beetles and green lacewings were caught in low numbers during both years of the study. However, multicolored Asian lady beetles were more abundant in Benallure baited plots than non baited plots early during anthesis in 2006. Benallure lures did not attract pink lady beetles or green lacewings during either year of the study.
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Vol. 70 • No. 2