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栎黄枯叶蛾Trabala vishnou gigantina Yang是一种多食性食叶害虫,据了解可为害锐齿栎、栓皮栎、海棠、榆、苹果、山杨等20多种果树和林木。在调查中发现柏木林中的马桑,云南松林中的栎树栎黄枯叶蛾为害。为摸清我省主要林木害虫寄生性天敌昆虫资源,为开发利用提供依据,对这种虫卵寄生天敌昆虫进行调查,并进行部分生物学特性观察。现将结果报道于下。
Quercus latifolia Trabala vishnou gigantina Yang is a polyphagous leaf insect pests that are known to be harmful to more than 20 kinds of fruit trees and trees such as oak, cork oak, begonia, elm, apple and aspen. In the survey, it was found that Quercus acuminatum in Cypress forests and Quercus acutissima in the Pinus yunnanensis forests were damaged. In order to find out the resources of the parasitic natural enemies of major tree pests in our province, this paper provided evidences for the development and utilization of these insects, investigated the parasitoids and their biological characteristics. Now the results reported below.