双江县华山松球蚜发生数量研究  

Population amount of Pineus armandicola Zhang in Shuangjiang County,Yunnan Province

作　　者：李开萍 张旺 

机构地区：[1]临沧地区森林病虫害防治检疫站,云南临沧677000 [2]双江县森林病虫害防治检疫站,云南双江677300

出　　处：《中国森林病虫》2003年第1期25-26,共2页Forest Pest and Disease

摘　　要：华山松球蚜以成虫和若虫群集在华山松嫩枝、梢、针叶上吸食汁液。温度和湿度对华山松球蚜的发生影响较大 :相对湿度在 5 8%～ 70 %时 ,危害严重 ;相对湿度在 75 %以上时 ,华山松球蚜数量减少 ;Pineus armandicola attacks Pinus amandi as adult and nymph on the twigs,tips and needles.The temperature and humidity have great influence on the occurrence of the pest.When the relative humidity(R H)was between 58% and 70%,it caused serious damage.When the R.H.reached 75% or more,the population of armand pine wooly aphids decreased.The peak of the damage appeared in May.

关 键 词：双江县 华山松 球蚜 发生数量 

分 类 号：S763.7[农业科学—森林保护学] S763.35[农业科学—林学]