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The Effect of Different Dietary Sugars on the Development and Fecundity ofHarmonia axyridis

文献类型： 外文期刊

作者： Li, Yan 1 ; Wang, Shasha 1 ; Liu, Yongkang 1 ; Lu, Yuting 1 ; Zhou, Min 1 ; Wang, Su 2 ; Wang, Shigui 1 ;

作者机构： 1.Hangzhou Normal Univ, Coll Life & Environm Sci, Hangzhou, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing, Peoples R China

关键词： Harmonia axyridis; artificial diets; glucose; trehalose; fecundity

期刊名称：FRONTIERS IN PHYSIOLOGY （ 影响因子：4.566； 五年影响因子：4.804 ）

ISSN： 1664-042X

年卷期： 2020 年 11 卷

页码：

收录情况： SCI

摘要： The aim of this study was to screen synergistic substances included in existing artificial feeds in order to improve the fertility and survival rate ofHarmonia axyridis(Pallas) (Coleoptera: Coccinellidae), an efficient pest predator. To this end, we analyzed the potential effects of glucose and trehalose on the growth, development, and reproduction ofH. axyridisand evaluated the effect of three different artificial feeds on the energy stress ofH. axyridis. The artificial diets contained fresh pork liver, honey, sucrose, vitamin C, and royal jelly, which was marked it as Diet1. The glucose was added to diet1, which was marked it as diet2, while adding trehalose to diet1 was marked as diet3. The pre-oviposition period ofH. axyridis on Diet 1 was slower than that of Diet 2 and Diet 3. Additionally, the spawning quantity and incubation rate of insects on Diet 2 and Diet 3 were significantly higher than that of those on Diet 1. Finally, the larval developmental time on Diet 1 was significantly slower than that of Diet 2 and Diet 3. These results indicate that the addition of an appropriate amount of glucose or trehalose may affect positively the growth, development, and reproduction ofH. axyridis. In addition, further studies showed that ATP, amino acids and fatty acids content in theH. axyridisalso increased after the addition of the synergistic substance. All these results show that proper adjustment of stored energy anabolic and catabolism is important to maintain the metabolic balance of the insect's entire life cycle and the addition of glucose or trehalose has a certain effect on the life indicators ofH. axyridis.

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