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Study Finds Biological Control For Stink Bug More Effective In Crop Borders

A study by Oregon State University researchers into use of a tiny insect as biological control for the fruit-consuming brown marmorated stink bug shows it would be more effective in natural areas bordering crops or at times when certain insecticides are not applied.  The study published this week in the Journal of Economic Entomology looks at the use of the samurai wasp, which lays its eggs inside stink bug eggs, preventing the stink bugs from hatching.  Study co-author and OSU Extension orchard crops specialist Nik Wiman says because the active ingredients in neonicotinoid and pyrethorid insecticides tended to kill the samurai wasp, using it will be most effective along orchard borders.  A fact sheet about the samurai wasp is available through the OSU Extension Service.