Olethreutes

与Olethreutes相关的网络例句 [注：此内容来源于网络，仅供参考]

In this paper, the biology and ecology of Olethreutes leucaspis Meyrick were studied more comprehensively.

主要研究结果如下： 1三角新小卷蛾生物学：三角新小卷蛾在大棚条件下一年发生10代，世代重叠。

Olethreutes leucaspis Meyrick was one of the main pests of longan and litchi at shooting stage.

三角新小卷蛾是龙眼、荔枝抽梢期主要害虫之一。

Now, the quantity of Olethreutes leucaspis Meyrick become more than 85% of all the leaf rollers which are harmful to litchi and longan, It have already become the advantage population of leaf rollers which has endangered litchies , longan.

本课题对三角新小卷蛾的生物学、生态学进行较为全面的研究，观察其生活习性，掌握其发生为害规律，为有效的防治该虫提供科学依据的理论基础。

The main result of study is as follows: 1 Biology of Olethreutes leucaspis Meyrick: Olethreutes leucaspis Meyrick have 10 generations in one year in the canopy, and generation overlap.

2三角新小卷蛾生态学：通过5种拟合方法的测定分析，三角新小卷蛾幼虫在荔枝园遵从聚集型分布，且随着虫口密度的提高聚集强度逐渐增强。

Determining Toxicity of Several Chemical Pesticides Against Olethreutes leucaspis in the Laboratory LI Rong-Xing, ZHONG Yi-Hai, CHEN Ze-Tan (Institute of Environment and Plant Protection, Chinese Academy of Tropical Agriculture Science, Hainan Province, Danzhou 571737, China) Abstract: Using a stomach poisoning method, the toxicity of five chemical pesticides to Olethreutes leucaspis Meyrick larvae was determined under laboratory conditions.

几种化学药剂对三角新小卷蛾的室内毒力测定李荣幸，钟义海，陈泽坦(中国热带农业科学院环境与植物保护研究所，海南儋州571737)摘要室内条件下采用胃毒法测定了5种化学药剂对三角新小卷蛾幼虫的毒力。