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Performance of the tiger-fly Coenosia attenuata Stein reared on the alternative prey, Chironomus plumosus (L.) larvae in coir substrate

文献类型： 外文期刊

作者： Zou, Deyu 1 ; Coudron, Thomas A. 2 ; Xu, Weihong 1 ; Xu, Jingyang 1 ; Wu, Huihui 3 ;

作者机构： 1.Tianjin Acad Agr Sci, Inst Plant Protect, Biol Control Insects Res Lab, 17 Jinjing Rd, Tianjin 300384, Peoples R China

2.USDA ARS, Biol Control Insects Res Lab, 1503 S Providence,Res Pk, Columbia, MO 65203 USA

3.Tianjin Agr Univ, Agr Anal & Test Ctr, 22 Jinjing Rd, Tianjin 300384, Peoples R China

关键词： Killer fly; Development; Biological control; Bradysia impatiens; Aquatic insect; Alternative food

期刊名称：PHYTOPARASITICA （ 影响因子：1.439； 五年影响因子：1.569 ）

ISSN： 0334-2123

年卷期： 2021 年 49 卷 1 期

页码：

收录情况： SCI

摘要： The performance of the tiger-fly Coenosia attenuata Stein was examined when fed on larvae of the buzzer midge, Chironomus plumosus (Linnaeus), and combination of buzzer midge and fungus gnat, Bradysia impatiens (Johannsen). Significant differences were observed in the developmental time of larvae, body length, and body weight of pupae and adults of C. attenuata in response to species and preservation status of prey but not in response to instar and prey number of C. plumosus. Most biological characteristics except for developmental time of pupae, length of female pupae, survival rate from the 5th day to pupation, and adult emergence improved for tiger-fly larvae fed on live B. impatiens larvae in the first four days and live C. plumosus larvae from the fifth day to pupation compared to those fed on live C. plumosus larvae in all larval stages. When live alternative prey were replaced with the frozen prey, the developmental time of larvae was prolonged, and adult male body length, survival rate from the fifth day to pupation, and the percentages of pupation and adult emergence decreased. The survival rate of larvae in the first 4 days and percentage of pupation improved with decreased alternative prey instar and increased alternative prey number. These results indicate live C. plumosus larvae can serve as an alternative food source for mass rearing of C. attenuata. As an alternative food source, C. plumosus larvae provide significant advancements for the application of tiger-fly in banker media system and/or open rearing.

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