摘要
1991~1993年调查发现,一字竹笋象在龙游县年发生面积近0.54万hm2,为毛竹林的一种主要笋期害虫,该虫的发生与危害主要在海拔600m以下的竹林内,阳坡为害重于阴坡,花年竹林明显重于大小年竹林,对竹林垦复可减轻为害程度。
Investigations from 1991 to 1993 on Otidognathus davidis in Longyou county of Zhejiang Province showed that occurrence area reached 5400 ha/year. Otidognathus davidis is one of the principle insects to Phyllostaehys pusescens forest during shooting period which mainly occurred in bamboo forest below 600m of elevation; more serious on south slope than on north slope, more serious in flowering year than in on-off-year. Reclamation of bamboo forest could reduce its damage.
出处
《浙江林业科技》
北大核心
1994年第6期41-43,共3页
Journal of Zhejiang Forestry Science and Technology
关键词
毛竹林
一字竹笋象
害虫
防治
Phyllostaehys pubescens forest
Otidognathus davidis
damage