'Diadegma semiclausum'是拉丁语，表示"半封闭的Diadegma"，是一种小蜂，属于蜂科，在农业上作为害虫的天敌使用。
例句：
1. Diadegma semiclausum parasitizes the larvae of Plutella xylostella, which is a major pest of cabbage.
（半封闭的Diadegma感染了小菜蛾的幼虫，小菜蛾是卷心菜的主要害虫。）
2. The parasitism rate of Diadegma semiclausum on Spodoptera exigua has been found to be high in China.
（中国发现半封闭的Diadegma对粘虫的寄生率很高。）
3. The efficacy of Diadegma semiclausum for biological control of Helicoverpa armigera has been well documented.
（半封闭的Diadegma对棉铃虫的生物防治效果有很好的记录。）
4. Diadegma semiclausum is commonly used as a biological control agent in vegetable production in Europe and America.
（半封闭的Diadegma在欧洲和美洲的蔬菜生产中常被用作生物防治剂。）
5. Field trials have shown that releases of Diadegma semiclausum can effectively reduce the population density of pests in cotton fields.
（野外试验表明，释放半封闭的Diadegma可以有效地降低棉田害虫的种群密度。）
6. The longevity of Diadegma semiclausum is positively correlated with temperature and humidity.
（半封闭的Diadegma寿命与温度和湿度呈正相关。）
7. Predation of Diadegma semiclausum on the eggs of Helicoverpa armigera has been observed in laboratory experiments.
（实验室观察到半封闭的Diadegma对棉铃虫卵的捕食行为。）
8. The host range of Diadegma semiclausum includes many species of lepidopteran pests, but it shows preference for certain hosts.
（半封闭的Diadegma的寄主范围包括许多种鳞翅目害虫，但它对某些寄主有偏好。）
9. The development time of Diadegma semiclausum varies depending on the temperature and host species.
（半封闭的Diadegma的发育时间因温度和寄主物种而异。）
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