mealybug

mealybug

1. In 1927, entomologists at the CES introduced two wasps from Australia as natural enemies of a major citrus pest, the citrophilus mealybug, saving growers in Orange County $1 million in annual losses.

1927年，环境研究中心的昆虫学家从澳大利亚引入了两种黄蜂，它们是柑橘害虫粉蚧的天敌，由此挽救了橘子镇的柑橘种植者们，并且从每年的亏损中挽回一百万美元。

2. The searching efficiency of the adult beetle to the mealybug was: young nymph>egg>old nymph>female adult, while the handling time was: female adult>old nymph>egg>young nymph.

3）圆斑弯叶毛瓢虫对湿地松粉蚧的捕食作用 圆斑弯叶毛瓢虫能捕食湿地松粉蚧的卵、若虫和雌成虫。

3. manual, mobile fogger and improved mobile fogger, their effectiveness in controlling the mealybug, in a descending order, was improved mobile fogger＞manual application＞ mobile fogger.

因此以经济效益而言，番荔枝果园仍以机械喷药处理为较佳之防治方式。

4. Nephus ryuguus (Kamiya), a common ladybird beetle feeding on mealybugs in China, was found becoming a dominant predator of pine mealybug Oracella acuta (Lobdell) in forest in recent years.

圆斑弯叶毛瓢虫Nephus ryuguus (Kamiya)是我国常见的食蚧瓢虫，为近年在林间出现的湿地松粉蚧Oracella acuta (Lobdell) 优势天敌种类，对湿地松粉蚧有一定的控制作用。

5. Therefore, the ladybird beetle could be considered as a potential biocontrol agent in controlling the pine mealybug in practice.

圆斑弯叶毛瓢虫对湿地松粉蚧有较强的捕食作用，通过散放瓢虫的成虫和幼虫，增加林间瓢虫的数量，能较好地抑制湿地松粉蚧的增长。

6. Among the ladybird beetles, N. ryuguus and Keiscaymnus taiwanenisis Yang et Wu were two most abundant species, which followed well the dynamics of the pine mealybug in nature.

林间湿地松粉蚧捕食性天敌昆虫以瓢虫类数量居多，粉蛉类次之，草蛉类和蜘蛛也有一定的数量。

7. citrus mealybug

桔粉蚧

8. The Natural Enemies and Biological Control of the Loblolly Pine Mealybug, Oracella acuta

湿地松粉蚧的天敌及生物防治

9. Mealybug wilt of pineapple

菠萝凋萎病

10. pineapple mealybug wilt disease associated virus

菠萝凋萎病毒

11. grape mealybug

葡萄粉蚧

12. long tailed mealybug

长尾粉蚧