布拉迪小环腹瘿蜂的生物学特性及其寄生对黑腹果蝇生长发育的影响

doi:10.16380/j.kcxb.2018.09.005

›› 2018, Vol. 61 ›› Issue (9): 1040-1046.doi: 10.16380/j.kcxb.2018.09.005

布拉迪小环腹瘿蜂的生物学特性及其寄生对黑腹果蝇生长发育的影响

周思聪, 陈佳妮, 庞兰, 潘中秋, 时敏, 黄健华*, 陈学新

(浙江大学昆虫科学研究所, 农业部作物病虫分子生物学重点实验室, 杭州 310058)

出版日期:2018-09-20 发布日期:2018-09-20

Biological characteristics of Leptopilina boulardi (Hymenoptera: Figitidae) and the effects of its parasitism on the growth and development of Drosophila melanogaster

ZHOU Si-Cong, CHEN Jia-Ni, PANG Lan, PAN Zhong-Qiu, SHI Min, HUANG Jian-Hua*, CHEN Xue-Xin

(Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China)

Online:2018-09-20 Published:2018-09-20

摘要/Abstract

摘要： 【目的】调查布拉迪小环腹瘿蜂Leptopilina boulardi的生物学特性，明确该寄生蜂寄生对寄主黑腹果蝇Drosophila melanogaster生长发育的影响。【方法】运用形态成像和统计学的方法，对布拉迪小环腹瘿蜂的发育历期和寄生效率等生物学特性进行研究，同时对布拉迪小环腹瘿蜂寄生后寄主黑腹果蝇发育历期以及蛹期体长和体重的变化进行统计分析。【结果】布拉迪小环腹瘿蜂的卵期平均为0.98±0.22 d，幼虫期为10.22±0.57 d，雄虫蛹期为8.09±0.19 d，雌虫蛹期10.07±0.30 d，雌蜂平均比雄蜂约晚2 d羽化。布拉迪小环腹瘿蜂寄生黑腹果蝇2龄幼虫后，黑腹果蝇幼虫出现明显的黑化包囊反应，幼虫发育显著延缓，蛹长和蛹重也显著降低。【结论】布拉迪小环腹瘿蜂是黑腹果蝇的专性寄生蜂。本研究的结果为寄生蜂调控寄主的机制提供了实验依据。

关键词: 布拉迪小环腹瘿蜂, 黑腹果蝇, 寄生, 生长发育, 生物防治

Abstract: 【Aim】 This study aims to investigate the biological characteristics of the parasitoid Leptopilina boulardi and to determine the effects of its parasitism on the growth and development of host Drosophila melanogaster. 【Methods】 The developmental duration and parasitism efficiency of L. boulardi were detected by anatomical imaging and statistical analysis. The changes of developmental duration and pupal body length and weight of host D. melanogaster after being parasitized by L. boulardi were also investigated. 【Results】 The results showed that the mean duration of egg stage, larval stage and pupal stage of L. boulardi was 0.98±0.22, 10.22±0.57 and 8.09±0.19 (male pupa) or 10.07±0.30 (female pupa) d, respectively. The female takes about two more days to complete pupal eclosion than the male. After the 2nd instar larvae of D. melanogaster were parasitized by L. boulardi, the cellular encapsulation response occurred obviously in D. melanogaster larvae, the larval duration of D. melanogaster was prolonged, and the pupal body length and weight of D. melanogaster were also significantly reduced. 【Conclusion】 L. boulardi is a specialist parasitoid of D. melanogaster. The results provide the experimental basis for studying the mechanisms of wasps regulating their hosts.

Key words: Leptopilina boulardi, Drosophila melanogaster, parasitism, growth and development, biological control

周思聪, 陈佳妮, 庞兰, 潘中秋, 时敏, 黄健华, 陈学新. 布拉迪小环腹瘿蜂的生物学特性及其寄生对黑腹果蝇生长发育的影响[J]. , 2018, 61(9): 1040-1046.

ZHOU Si-Cong, CHEN Jia-Ni, PANG Lan, PAN Zhong-Qiu, SHI Min, HUANG Jian-Hua, CHEN Xue-Xin. Biological characteristics of Leptopilina boulardi (Hymenoptera: Figitidae) and the effects of its parasitism on the growth and development of Drosophila melanogaster[J]. , 2018, 61(9): 1040-1046.

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链接本文: http://www.insect.org.cn/CN/10.16380/j.kcxb.2018.09.005

http://www.insect.org.cn/CN/Y2018/V61/I9/1040

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布拉迪小环腹瘿蜂的生物学特性及其寄生对黑腹果蝇生长发育的影响

Biological characteristics of Leptopilina boulardi (Hymenoptera: Figitidae) and the effects of its parasitism on the growth and development of Drosophila melanogaster

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