It is often confused with japanese beetle. The insect feed on the flowers. Pesticides do not give satisfactory control. The insects occur in large numbers and those killed by pesticides are soon replaced by insects from surrounding areas. Spray with methoxychlor, Sevin or rotenone.
Japanese beetle eats the flowers and foliage.
Most injury blamed on japanese beetle is actually rose chafer. Use rotenone, Sevin, or methoxychlor. Rose Leafhopper feeds on the undersides of leaves causing white stippling. Spray with Orthene, Diazinon, rotenone or Sevin. It feeds on flower buds and rolls and ties the leaves together with silk.