globalchange  > 气候变化与战略
DOI: 10.1111/ele.13486
论文题名:
Dynamics of a host–parasitoid interaction clarified by modelling and DNA sequencing
作者: Mutanen M.; Ovaskainen O.; Várkonyi G.; Itämies J.; Prosser S.W.J.; Hebert P.D.N.; Hanski I.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2020
卷: 23, 期:5
起始页码: 851
结束页码: 859
语种: 英语
中文关键词: DNA barcoding ; MAPL ; Ophion ; periodic occurrence ; population dynamics ; Xestia
英文关键词: Lepidoptera ; Ophion ; Syngrapha interrogationis ; Xestia ; animal ; DNA sequence ; Finland ; host parasite interaction ; larva ; moth ; wasp ; Animals ; Finland ; Host-Parasite Interactions ; Larva ; Moths ; Sequence Analysis, DNA ; Wasps
英文摘要: It has been hypothesised that the 2-year oscillations in abundance of Xestia moths are mediated by interactions with 1-year Ophion parasitoid wasps. We tested this hypothesis by modelling a 35-year time series of Xestia and Ophion from Northern Finland. Additionally, we used DNA barcoding to ascertain the species diversity of Ophion and targeted amplicon sequencing of their gut contents to confirm their larval hosts. Modelling of the time-series data strongly supported the hypothesised host–parasitoid dynamics and that periodic occurrence of Xestia moths is mediated by Ophion. DNA barcodes revealed that Ophion included five species rather than just one while targeted amplicon sequencing verified that Ophion does parasitise Xestia. At least one Ophion species employs 1-year Syngrapha interrogationis as an alternate host, but it did not detectably affect Xestia–Ophion dynamics. We also demonstrate the previously unrecognised complexity of this system due to cryptic parasitoid diversity. © 2020 The Authors. Ecology Letters published by CNRS and John Wiley & Sons Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166682
Appears in Collections:气候变化与战略

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作者单位: Ecology and Genetics Research Unit, University of Oulu, Oulu, FI-90014, Finland; Organismal and Evolutionary Biology Research Programme, University of Helsinki, Helsinki, FI-00014, Finland; Centre for Biodiversity Dynamics, Department of Biology, Norwegian University of Science and Technology, Trondheim, N-7491, Norway; Friendship Park Research Centre, Finnish Environment Institute, Kuhmo, FI-88900, Finland; Kaitoväylä 25 A 6, Oulu, 90570, Finland; Centre for Biodiversity Genomics, University of Guelph, Guelph, ON N1G 2W1, Canada; Department of Biosciences, Metapopulation Research Center, University of Helsinki, Helsinki, Finland

Recommended Citation:
Mutanen M.,Ovaskainen O.,Várkonyi G.,et al. Dynamics of a host–parasitoid interaction clarified by modelling and DNA sequencing[J]. Ecology Letters,2020-01-01,23(5)
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