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Title: Species composition and seasonal dynamics of aphid parasitoids and hyperparasitoids in wheat fields in northern China
Author: Yang, Fan
Xu, Lei
Wu, Yue-Kun
Wang, Qian
Yao, Zhi-Wen
Žikić, Vladimir
Tomanović, Željko
Ferrer Suay, Mar
Selfa i Arlandis, Jesús, 1962-
Pujade, Juli, 1960-
Traugott, Michael
Desneux, Nicolas
Lu, Yan-Hui
Guo, Yu-Yuan
Keywords: Blat
Control de plagues
Paràsits de les plantes
Control of pests
Plant parasites
Issue Date: 25-Oct-2017
Publisher: Nature Publishing Group
Abstract: Parasitoids are important natural enemies of aphids in wheat fields of northern China, and interest in them has increased in recent years. However, little is known regarding parasitoids of wheat aphids, which has hindered the study and understanding of aphid-parasitoid interactions. In the present study, three primary parasitoids and 15 hyperparasitoids were collected in wheat fields during a 2-year survey in northern China (2014, 2015) and a 2-year investigation at Langfang, Hebei Province (2015, 2016). Among them, Aphidius uzbekistanicus Luzhetski was found most frequently among the primary parasitoids, while Pachyneuron aphidis (Bouché) dominated the hyperparasitoid community. Investigation of the dynamics of wheat aphids and parasitoids revealed that the primary parasitoids appeared early in the growing period and that the hyperparasitoids appeared later. Analysis of the seasonal dynamics revealed that growth of the parasitoid population followed that of the aphid population and that the parasitism rates were highest in the late growing period.
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It is part of: Scientific Reports, 2017, vol. 7, num. 13989
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ISSN: 2045-2322
Appears in Collections:Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals)

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