Saperda

常見例句

Study on Parasitical Natural Enemy Insect of Saperda populnea L.
青楊天牛寄生性天敵昆蟲初步研究。
A PRELIMINARY REPORT ON THE BIONOMICS AND CONTROL OF SAPERDA POPULNEAL.
青楊天牛(SAPERDA POPULNEA L.;)的初步研究
Title： Study on Parasitical Natural Enemy Insect of Saperda populnea L.
關(guān)鍵詞：青楊天牛;寄生性天敵昆蟲;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.
摘要青揚楔天牛是一種危害楊柳科植物的重要蛀干性害蟲，在我國東北以及西北地區(qū)已造成嚴重危害。
After collecting and anatomizing the galls of Saperda populnea, some black dead larvas were found out, which were not so hard-shelled.
從青楊天牛蟲癭中找出蟲體發(fā)黑卻不僵硬的死蟲，用差速離心法分離出病毒初提物；
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%.
利用金龜子綠僵菌和枝頂孢霉菌液田間防治青楊天牛幼蟲;死亡率分別為95.;56%25及48