aphid

形容词：

形容词: aphidian

更多词形：

形容词: aphidian |

单词例句：

There are three aphid hyperparasitic species of Dendrocerus Ra- tzeburg,Megaspilidae,occuring in China,among which Dendrocerus carpen- teri(Curtis) and D.

本文报道分布于我国、寄生于蚜茧蜂的大痣细蜂科Megaspilidae白木细蜂属Dendrocerus的3种蚜虫的重寄生蜂。 文中列有分种检索表,形态描述、特征图、生物学记述、重寄生的寄主和初寄生蜂的寄主蚜虫。

Development on the research of aphid alarm pheromone was reviewed including green significance,synthesis,structure and activity.

概述了近年蚜虫报警信息素的研究进展,主要介绍了蚜虫报警信息素的绿色意义、合成、结构与活性等研究内容。

Large catches of alates may be trapped in areas where the aphid population in the field is extremely small.

在蚜群极小的田间可诱捕到较多的有翅蚜。

The five small arthropod were still very serious pest, especially aphid, scale and whitefly.

其中，五小害虫的危害仍然非常严重，尤其是蚜虫、蚧壳虫和粉虱。

This text, on doing a survey in preventing and curing cotton aphid of source pesticide of plant.

本文就植物源农药的在防治棉蚜方面做一综述。

The resistant mechanism of cotton aphid to insecticide is relevant to many factories .Such as the susceptibility of target reducing and activity of detoxify enzyme, etc.

棉蚜对杀虫剂的抗性机理涉及到靶标敏感度下降、体内解毒酶系活力升高等多种机理。

Effect of Avater and Imidacloprid mixture on vegetable aphid and Plutella xylostella L.

安打与吡虫啉混配对蔬菜蚜虫和小菜蛾的防治效果。

Ephedrus sp. had greater control effect on wheat aphid than that of ladybirds in time dimension, while ladybirds revealed better control effect in spatial dimension.

蚜茧蜂对麦蚜的控制在时间维上比瓢虫占优势，瓢虫对麦蚜的控制作用在空间维上占优势。

Insect pest is endangered from aphid and nocturnal E, with oil of breast of 10% worm essence gush of 2000 times fluid is killed.

虫害自蚜虫和夜娥危害, 用10%除虫精乳油2000倍液喷杀。