sentence: Additional the diversity decreased in different degrees after G. molesta was transferred from an artificial diet to the other five plants , except plums , especially to apples in Rosaceae.We removed the extremely low abundance OTUs with species abundance less than 0.005 % , compared the representative sequence of OTUs with the microbial reference database to obtain the species classification information corresponding to each OTU , and then at each level ( phylum , class , order , family , genus , species ) , we counted the composition of each sample community .