Saperda

常见例句

Study on Parasitical Natural Enemy Insect of Saperda populnea L.
青杨天牛寄生性天敌昆虫初步研究。
A PRELIMINARY REPORT ON THE BIONOMICS AND CONTROL OF SAPERDA POPULNEAL.
青杨天牛(SAPERDA POPULNEA L.;)的初步研究
Title： Study on Parasitical Natural Enemy Insect of Saperda populnea L.
关键词：青杨天牛;寄生性天敌昆虫;重寄生;研究
Saperda populnea is a serious stem boring pest of Salicaceae plants and has caused serious damages in the northeastern and northwestern part of China.
摘要青扬楔天牛是一种危害杨柳科植物的重要蛀干性害虫，在我国东北以及西北地区已造成严重危害。
After collecting and anatomizing the galls of Saperda populnea, some black dead larvas were found out, which were not so hard-shelled.
从青杨天牛虫瘿中找出虫体发黑却不僵硬的死虫，用差速离心法分离出病毒初提物；
The spore suspension of M.anisopliae and A. chrysogenum was employed in control test in the field against first instar larvae of Saperda populnea,and the mortality was 95.56% and 48.72%.
利用金龟子绿僵菌和枝顶孢霉菌液田间防治青杨天牛幼虫;死亡率分别为95.;56%25及48