Investigation of Pest Species and Their Occurrence Characters on Aceraceae in Dalian

The main varieties of Aceraceae in Dalian city are Acer mono Maxim,Acer rubrum L.,Acer palmatum atropurpureum and Acer negundo Linn.In order to strengthen comprehensive control to the pest,the pest species and occurrence characters on Aceraceae were investigated.The results showed that pest species on Acer mono Maxim and Acer rubrum L.were Anoplophora glabripennis and Tetranychus viennensis Zacher;on Acer palmatum atropurpureum was a kind of Coccoidea;on Acer negundo Linn was Didesmococcus koreanus Borchsenius.