Effects of various components of artificial diets on survival, development and reproduction of Coccinella septempunctata L. (Coleoptera: Coccinellidae)
文献类型： 外文期刊
作者： Yu, Yi 1 ; Cheng, Ying 2 ; Zhou, Yuhang 2 ; Li, Fengliang 2 ;
作者机构： 1.Guizhou Univ, Inst Entomol, Guizhou Prov Key Lab Agr Pest Management Mt Reg, Guiyang, Peoples R China
2.Guizhou Acad Agr Sci, Inst Plant Protect, Guiyang 550006, Guizhou, Peoples R China
关键词： Coccinella septempunctata; artificial diet; nutritional factors; biological characteristics
期刊名称：BIOCONTROL SCIENCE AND TECHNOLOGY （ 影响因子：1.81； 五年影响因子：1.722 ）
ISSN： 0958-3157
年卷期：
页码：
收录情况： SCI
摘要： The ladybird beetle, Coccinella septempunctata, is an important predator of soft-bodied insects. To further optimise an artificial diet for rearing the ladybird beetle, we investigated the effects of juvenile hormone (JH), honey, shrimp, rape pollen, lard, and other factors on the biological characteristics of C. septempunctata. Survival and pupation rates of larvae were decreased when JH and lard were added to the artificial diet; however, the addition of lard increased egg hatching to 73.70%, which was significantly higher than the control diet (50.56%). Adding honeybee pupae to the artificial diet shortened the preoviposition period to 7.64 d, compared to 10.36 d in the control diet. Adding honey, shrimp, and honeybee pupae to the diet resulted in 465.12, 452.35, and 423.01 eggs laid, respectively, which was significantly higher than the control diet. The pupation and emergence rates of C. septempunctata larvae fed an artificial diet without JH were significantly higher than those fed an artificial diet with JH; thus, JH and lard should not be added to artificial diets during the larval stage. During the adult stage, adding rape pollen, shrimp, honey, lard, and honeybee pupae to the diet could improve the fecundity of C. septempunctata. These results will be helpful for optimising artificial diets for the mass production of C. septempunctata.
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