Nyrop, JanReissig, William2007-01-042007-01-041988https://hdl.handle.net/1813/5154In this article, we first describe the pest status of ERM and the damage it causes to apple trees. We then discuss how treatment decisions for ERM can be based on a rapid census of mite populations in orchards.118212 bytesapplication/pdfen-USsave control costs of red mitesEuropean red mite controlperiodical