Species composition and richness of aphid parasitoid wasps in cotton fields in northern China

Yang, Fan; Wu, Yuzhen; Liu, Xu; Wang, Qian; Yao, Zhi-Wen; Žikić, Vladimir; Tomanović, Željko; Ferrer-Suay, Mar; Selfa, Jesús; Pujadé-Villar, Juli; Lu, Yanhui; Guo, Yong

doi:10.1038/s41598-017-10345-7

Cited by 14 publications

(27 citation statements)

References 37 publications

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“…communis , is known to attack various aphids in different crops across many countries and regions [ 53 – 56 ]. Yang et al [ 57 ] reported that among wasps emerged from mummies in northern China, B . communis accounted for most (>93%) of the primary parasitoids of A .…”

Section: Discussionmentioning

confidence: 99%

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Aphid parasitism and parasitoid diversity in cotton fields in Xinjiang, China

Zhang

et al. 2018

PLoS ONE

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Aphids are major pests of cotton crops in the Xinjiang Uygur Autonomous Region in China, and parasitoids are considered as important natural enemies in regulating aphid populations. However, information on aphid parasitoids in the Xinjiang cotton fields is limited, which hinders the study of aphid-parasitoid interactions and the application of conservation biological control against cotton aphids. In this study, a 3-year survey was conducted in a large geographical range that included three primary cotton planting areas in southern and northern Xinjiang. The population dynamics and the parasitism levels of an assemblage of aphids in the cotton fields were investigated along with the composition of the parasitoid community associated with these aphids. Aphid parasitization varied significantly within both years and seasons, with parasitism levels ranging from 0 to 26%, indicating that there is less effective biological control of parasitoids on aphids under field conditions. Among the primary parasitoids described, Binodoxys communis (Gahan) constituted 95.19% of the parasitoid species, followed by Praon barbatum Mackauer (3.15%), Trioxys asiaticus Telenga (1.01%) and Lysiphlebus fabarum Marshall (0.65%). Significant differences were found in the composition of the primary parasitoid species between the cotton seedling period (June) and the flowering period (July-August), and two more primary aphid parasitoids were found in the seedling period. Twelve hyperparasitoid species belonging to six genera were found in our study, of which Pachyneuron aphidis (Bouché), Syrphophagus species and Dendrocerus laticeps (Hedicke) were the dominant species. The composition of the hyperparasitoid community also differed significantly between the seedling and the flowering periods. The description of this parasitoid community-associated assemblage of aphids in cotton fields will facilitate the study of aphid-parasitoid interactions and promote the development of effective cotton aphid management strategies in Xinjiang.

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Section: Discussionmentioning

confidence: 99%

“…aphidis and species of Syrphophagus were the dominant parasitoids proportionally, which is similar to the results found in northern China with A . gossypii [ 57 ]. Some other species of hyperparasitoids, such as D .…”

Section: Discussionmentioning

confidence: 99%

Aphid parasitism and parasitoid diversity in cotton fields in Xinjiang, China

Zhang

et al. 2018

PLoS ONE

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“…The results showed that the aphid species, R. maidis could be used as an alternative host for the reproduction of the parasitoid L. testaceipes on sorghum [33] . In northern China, three primary parasitoid species and 12 hyperparasitoids on A. gossypii were recorded in cotton fields [15] , while three parasitoids and 15 hyperparasitoids were collected in wheat fields [32] .…”

Section: The Distribution Of Parasitic Wasps Is Almost Nationwide DImentioning

confidence: 99%

“…Cereal aphids are subject to parasitism rates of 30-80% on Danish and New Zealand winter wheat, mostly from Aphidius ervi Haliday and Aphidius rhopalosiphi (De Stefani-Perez [14] . In northern China, two primary parasitoid species and ten different hyperparasitoid species were collected in cotton fields [15]. In another study, three primary parasitoid species were found, and the hyperparasitoid guild was more diverse, consisting of 14 species [15,16] .…”

Section: Introductionmentioning

confidence: 99%

“…In northern China, two primary parasitoid species and ten different hyperparasitoid species were collected in cotton fields [15]. In another study, three primary parasitoid species were found, and the hyperparasitoid guild was more diverse, consisting of 14 species [15,16] . Two primary parasitoid species and 4 secondary parasitoids were found on corn leaves, consisting of the species Aphelinus nigritus (Howard), A. varipes (Forester), Pachyneuron siphonophorae (Ashmead), Aphidencyrtus aphidivorus (Mayr), Charips sp., and Asaphes hicens (Provancher) [17] .…”

Section: Introductionmentioning

confidence: 99%

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Species composition and dynamics of aphids and parasitoid wasps in maize fields in Northeastern China

Zhang

Zhao

Cheng

et al. 2020

Preprint

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Maize, Zea mays L., is the most abundant field crop in China. Aphids are the most economically damaging pest on maize, particularly in the cotton agri-ecosystems of Jilin Province, northern China. Parasitic wasps are important natural enemies of aphids, but limited information exists about their species composition, richness and seasonal dynamics in northern China. In this study, the population dynamics of maize aphids and parasitoid wasps were assessed in relation to each other during the summer seasons of two consecutive years, 2018 and 2019. We selected maize fields in the Changchun, Songyuan, Huinan and Gongzhuling areas of Jilin Province. Four species of aphids were recorded from these maize fields: Rhopalosiphum padi (L) , Rhopalosiphum maidis (Fitch ), Aphis gossypii Glover and Macrosiphum miscanthi (Takahashi). The dominant species in each of the four areas were R. maids (Filch) and R. padi in Changchun, R .padi in Songyuan, A. gossypii and R. padi in Huinan, and A.gossypii and R. padi in Gongzhuling. We delineated a species complex made up of primary parasitoids and hyperparasitoids associated with maize aphids. The primary parasitoids Lysiphlebus testaceipes, Binodoxys communis and Aphelinus albipodus together formed approximately 85.3% of the parasitoid complex. Pachyneuron aphidis, Phaenoglyphis villosa, Syrphophagus taeniatus and Asaphes suspensus made up the hyperparasitoids. Of the primary parasitoids, L . testaceipes was the dominant species (81.31%). Of the hyperparasitoid group, P . villosa was the dominant species (68.42%). Parasitism rates followed the fluctuation of the aphid population. The highest parasitic rate was observed during the peak period of cotton aphids. In this paper, the occurrence dynamics and dominant species of aphids and the dynamics of parasitic natural enemies of aphids in maize fields in Jilin Province are, for the first time, systematically reported. This study provides important information for the establishment and promotion of aphid biological control in maize fields.

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Transgenic Cry1Ac + CpTI cotton does not compromise parasitoid‐mediated biological control: An eight‐year case study

Yang

Liu

et al. 2021

Pest Management Science

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BACKGROUND The on‐farm deployment of genetically modified crops may negatively affect nontarget arthropods, potentially disrupting food web structure and ecosystem functions. Aphid–parasitoid interactions are well‐suited to study these potential impacts in agro‐ecosystems. Over the span of 8 years, we systematically compared infestation levels of the aphid Aphis gossypii, its associated parasitoid community and overall parasitism rate between transgenic Cry1Ac + CpTI cotton and nontransgenic cotton. Furthermore, we measured the impact of transgenic Cry1Ac + CpTI cotton on structural traits and interspecies interactions within quantitative aphid–parasitoid food webs. RESULTS Transgenic Cry1Ac + CpTI cotton did not affect the abundance of aphids and parasitoids, or in‐field parasitism rates. Despite weak interannual variability, transgenic Cry1Ac + CpTI cotton also did not alter food web architecture or biological control services. CONCLUSIONS Our work not only elucidates the impact of transgenic Cry1Ac + CpTI cotton on different nontarget arthropods (i.e. aphids, parasitoids, hyperparasitoids) and their associated ecosystem services or disservices, but also diversifies the ecological risk assessment toolbox for transgenic insecticidal crops. © 2021 Society of Chemical Industry.

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Species composition and richness of aphid parasitoid wasps in cotton fields in northern China

Cited by 14 publications

References 37 publications

Aphid parasitism and parasitoid diversity in cotton fields in Xinjiang, China

Aphid parasitism and parasitoid diversity in cotton fields in Xinjiang, China

Species composition and dynamics of aphids and parasitoid wasps in maize fields in Northeastern China

Transgenic Cry1Ac + CpTI cotton does not compromise parasitoid‐mediated biological control: An eight‐year case study

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