Abstract: Insects cause severe damage to the economic and ornamental tree,evelynia keteleeria(Keteleeria evelyniana Mast.),in Yunnan Province.They belong to in 17 species in 16 genera in 10 families in 4 orders.are 3 species of cone and seed insects,4 species of leaf-eating insects,5 species of terminal and shoot insects,1 species of wood boring in-sects and 4 species of sapsucking insects among them.These insects are:(1).Blastopetrova keteleericola Liu et Wu,(2).Dioryctria sp.,(3).Shirahoshizo coniferae Chao(cone and seed insects);(4).Dendrolimus kikuchii Matsumura,(5).Gilpinia disa Smith,(6).Microdiprion keteleeriafolius Xiao et Huang,(7).Lymantria servula Collenette(leaf-eating insects);(8).Lobesia incystata Liu et Yang,(9).Archipis keteleerius Liu,(10).Archipis binigrata(Meyrich),(11).Stenolechia sp.,(12).Epimimastis sp.(terminal and shoot insects);(13).Leptura(Macroleptura) quadrizona(Tairmaire)(wood boring insects);(14).Mindarus keteleerifoliae Zhang,(15).Aspidiotus anningensis Tang et Chu,(16).Octaspidiotus yunnanensis Tang et Chu,and(17) Parlatoria keteleericola Tamg et Chu(Sapsucking insects).In this paper,the life histories and control measures of 10 important and common species are given.In order to identify easily,the adult and larva indices to the species are presented respectively.