The Effect of Different Dietary Sugars on the Development and Fecundity of Harmonia axyridis
The aim of this study was to screen synergistic substances included in existing artificial feeds in order to improve the fertility and survival rate of Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae), an efficient pest predator. To this end, we analyzed the potential effects of glucose and tr...
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Frontiers Media S.A.
2020-09-01
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| Series: | Frontiers in Physiology |
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| Online Access: | https://www.frontiersin.org/article/10.3389/fphys.2020.574851/full |
| _version_ | 1819020659086327808 |
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| author | Yan Li Shasha Wang Yongkang Liu Yuting Lu Min Zhou Su Wang Shigui Wang |
| author_facet | Yan Li Shasha Wang Yongkang Liu Yuting Lu Min Zhou Su Wang Shigui Wang |
| author_sort | Yan Li |
| collection | DOAJ |
| description | The aim of this study was to screen synergistic substances included in existing artificial feeds in order to improve the fertility and survival rate of Harmonia 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 of H. axyridis and evaluated the effect of three different artificial feeds on the energy stress of H. 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 of H. 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 of H. axyridis. In addition, further studies showed that ATP, amino acids and fatty acids content in the H. axyridis also 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 of H. axyridis. |
| first_indexed | 2024-12-21T03:54:43Z |
| format | Article |
| id | doaj.art-238c14dc49e94e7fb71490ec2544a818 |
| institution | Directory Open Access Journal |
| issn | 1664-042X |
| language | English |
| last_indexed | 2024-12-21T03:54:43Z |
| publishDate | 2020-09-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Physiology |
| spelling | doaj.art-238c14dc49e94e7fb71490ec2544a8182022-12-21T19:16:53ZengFrontiers Media S.A.Frontiers in Physiology1664-042X2020-09-011110.3389/fphys.2020.574851574851The Effect of Different Dietary Sugars on the Development and Fecundity of Harmonia axyridisYan Li0Shasha Wang1Yongkang Liu2Yuting Lu3Min Zhou4Su Wang5Shigui Wang6College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, ChinaCollege of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, ChinaCollege of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, ChinaCollege of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, ChinaCollege of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, ChinaInstitute of Plant and Environment Protection, Beijing Academy of Agricultural and Forestry Sciences, Beijing, ChinaCollege of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, ChinaThe aim of this study was to screen synergistic substances included in existing artificial feeds in order to improve the fertility and survival rate of Harmonia 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 of H. axyridis and evaluated the effect of three different artificial feeds on the energy stress of H. 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 of H. 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 of H. axyridis. In addition, further studies showed that ATP, amino acids and fatty acids content in the H. axyridis also 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 of H. axyridis.https://www.frontiersin.org/article/10.3389/fphys.2020.574851/fullHarmonia axyridisartificial dietsglucosetrehalosefecundity |
| spellingShingle | Yan Li Shasha Wang Yongkang Liu Yuting Lu Min Zhou Su Wang Shigui Wang The Effect of Different Dietary Sugars on the Development and Fecundity of Harmonia axyridis Frontiers in Physiology Harmonia axyridis artificial diets glucose trehalose fecundity |
| title | The Effect of Different Dietary Sugars on the Development and Fecundity of Harmonia axyridis |
| title_full | The Effect of Different Dietary Sugars on the Development and Fecundity of Harmonia axyridis |
| title_fullStr | The Effect of Different Dietary Sugars on the Development and Fecundity of Harmonia axyridis |
| title_full_unstemmed | The Effect of Different Dietary Sugars on the Development and Fecundity of Harmonia axyridis |
| title_short | The Effect of Different Dietary Sugars on the Development and Fecundity of Harmonia axyridis |
| title_sort | effect of different dietary sugars on the development and fecundity of harmonia axyridis |
| topic | Harmonia axyridis artificial diets glucose trehalose fecundity |
| url | https://www.frontiersin.org/article/10.3389/fphys.2020.574851/full |
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