Biology and Control of the Obscure Root Weevil on Rhododendron
Research was conducted on the obscure root weevil (Sciopithes obscurus), the main foliar feeding root weevil in Oregon, on rhododendrons in an effort to determine the biology and control for the weevil. It was the intention of the authors to provide information on control of the pest.
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June-July 1977 Vol. 1, Issue 15 Pages 9-11
Richard G. Clarke Harry T. Bell Department of Entomology Oregon State University