Abstract: The study on the soil and Paeonia ostii Cu,Cd,Pb and Zn at the coppertailings reservoir of Tongling City,Anhui Province showed that the forms and contents of test heavy metals were differed in Paeonia ostiiplanted and control soils.The Cu and Cd contents in control soil were 4.36～14.43 and 3.67～3.86 times of the 2nd national standard for soil environmental quality,respectively,and the composite pollution index of the heavy metals in Paeonia ostiiplanted soil was up to 5.607.The heavy metals content in Paeonia ostii leaf and root-stem was in order of Cu＞Zn＞Pb＞Cd,and that in Paeonia ostii stem and root- peel was Zn＞Cu＞Pb＞Cd.The comparison of the heavy metals contents in Paeonia ostii with the criterion about herbal medicine showed that the Cu content in Paeonia ostii was 1.43～2.53 times of the criterion,and the Cd content was 1.17～3.17 times of the criterion.

Key words: Chilo suppressulis, Rice, Water oat, Oviposition, Host selection behavior