Abundance of White Lace Lerp psyllids on understorey and canopy River Red Gums and relationships with foliar sugars and tannins

Four datasets comprising:Longitudinal counts of psyllids (filename 'LeafDataMATCHTP20_EXCEL')Foliar sugars data (filename '170831_njsn_KaraDalCin_Final conc')Foliar tannins data (filename 'polyphenols Fotheringham')Leaf damage data (filename 'leaf damage symptoms Fotheringham')四个数据集包括：木虱（psyllids）的纵向计数（文件名“LeafDataMATCHTP20_EXCEL”）、叶面糖数据（文件名“170831_njsn_KaraDalCin_Final conc”）、叶面单宁（tannins）数据（文件名“polyphenols Fotheringham”）、叶片损伤数据（文件名“leaf damage symptoms Fotheringham”）