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Your Position :Home->Past Journals Catalog->2021年58 No.6

Effect of a short period of adaptive pre-feeding on the predatory functional response of Aphidoletes aphidimyza (Rondani) reared on Megoura japonica (Matsumura)
Author of the article:LIU Ming-Hong SHEN Xiu-Xian HUANG Chun-Yang WANG Xiong YANG Mao-Fa YU Xiao-Fei SHANG Sheng-Hu
Author's Workplace:Zunyi Tobacco Company of Guizhou Provincial Tobacco Corporation, Zunyi 564200, China; Institute of Entomology, Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region, Guizhou University, Guiyang 550025, China; College of Tobacco Science, Guizhou University, Guiyang 550025, China; Guizhou Academy of Tobacco Sciences, Guiyang 550081, China
Key Words:Aphidoletes aphidimyza (Rondani); Megoura japonica (Matsumura); short adaptive pre-feeding; predatory functional response; intraspecific interference effect
Abstract:
[Objectives]  To investigate the potential of using Aphidoletes aphidimyza (Rondani) reared on Megoura japonica (Matsumura) as a biological control for Myzus persicae (Sulzer), and thereby clarify the benefits of conducting short-term prey habituation before releasing aphid gall mosquitoes for biological control purposes. [Methods]  The predatory responses of A. aphidimyza feeding on either M. japonica or M. persica were measured and compared under laboratory conditions. [Results] The predatory response of A. aphidimyza fed on M. japonica for a long period and M. persica for a short period was consistent with a Holling type Ⅱ model; an initial increase that subsequently levelled off with increasing prey density. A one-way analysis of variance indicates that there was no significant difference in the daily number of prey consumed by A. aphidimyza in the two treatment groups (P > 0.05). The instant attack rates of each treatment group on M. japonica and M. persicae were 0.170 2 and 0.155 4, respectively, and their respective prey processing times were 0.116 9 d and 0.107 0 d, respectively. A one-way analysis of variance indicates that the density of A. aphidimyza own had no significant (P > 0.05) effect on the daily average consumption of M. persicae. [Conclusion]  A. aphidimyza raised on M. japonica do not require short-term exposure to M. persicae before release.
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