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Yellow sticky cards baited with the antennally active compounds, D. carinulata pheromone blend + green leaf volatiles, as part of a field trial conducted in western Nevada on 5 April 2004. Attraction of adult beetles to the cards was the measure of semiochemical activity of the volatile compounds. Allard Cossé, chemical ecologist with the USDA ARS, is here seen checking the trap as part of a cooperative effort between USDA ARS chemists and biocontrol practitioners [15,16].
