Some Newly Occuring Destructive Production Forest Pests
An investigation on pests for 28 species of economic trees of production forests and special forests from 1988 to 1995 revealed 1074 pest species.Among them,18 new pests occurring destructively on 11 production tree species including chestnut and ginkgo were recorded,and their respective regional characteristics of occurrence places,infestation status,biological characteristics,and occurrence characteristics were described.