Urban greenery as a habitat for parasitoids of the Pimplinae subfamily (Hymenoptera,Ichneumonidae) |
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| Institution: | 1. Department of Entomology and Environmental Protection, Poznań University of Life Sciences, D?browskiego 158, 60-594, Poznań, Poland;2. Department of Biological Pest Control of Plant Protection, National Research Institute in Poznań, W?adys?awa W?gorka 20, 60-318, Poznań, Poland;3. Department of Mathematical and Statistical Methods, Poznań University of Life Science, Wojska Polskiego 28, 60-637, Poznań, Poland;1. Laboratorio de Biodiversidad Urbana, Instituto Facultad de Ingeniería y Arquitectura, Facultad de Ingeniería y Arquitectura, Universidad Central de Chile, Avenida Santa Isabel, 1186, Santiago, Chile;2. Núcleo de Investigación Biodiversidad Urbana, Centro de Estudios Arquitectónicos, Urbanísticos y del Paisaje, Universidad Central de Chile, Chile;3. Escuela de Arquitectura y Paisaje, Universidad Central de Chile, Avenida Santa Isabel, 1186, Santiago, Chile;4. Laboratorio de Ecología y Biodiversidad, Departamento de Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Santiago, Avenida Libertador Bernardo O’Higgins, 3363, Chile;1. Faculty of Forestry, University of British Columbia, Forest Sciences Centre, 2424 Main Mall, Vancouver, BC, V6T 1Z4, Canada;2. Department of Geography, Geomatics and Environment, University of Toronto at Mississauga, 359 Mississauga Road, Mississauga, ON, L5L 1C6, Canada;3. Center for Ecosystem Modelling and Monitoring, School of Forest Engineer, Faculty of Science, Universidad Mayor, Jose Toribio Medina 29, Santiago, Chile;4. Department of Urban Studies, University of Sheffield, S10 2TN, Sheffield, United Kingdom;5. Independent Consultant, Seattle, WA, United States;6. Centro Agronómico Tropical de Investigación y Enseñanza (CATIE), Sede Central, Cartago, Turrialba, 30501, Costa Rica;7. USDA Forest Service, Pacific Southwest Research Station, 4955 Canyon Crest Dr, Riverside, CA, 92507, United States;1. Department of Geography, Humboldt-Universität zu Berlin, Unter den Linden 6, 10099, Berlin, Germany;2. Department of Computational Landscape Ecology, Helmholtz Centre for Environmental Research – UFZ, 04318, Leipzig, Germany;1. Department of Environment Studies, Panjab University, Chandigarh, 160 014, India;2. Department of Botany, Panjab University, Chandigarh, 160 014, India;3. Division of Soil and Crop Management, ICAR-Central Soil Salinity Research Institute, Karnal, 132 001, India;1. School of Urban Design, Wuhan University, Wuhan, China;2. Department of Architecture and Civil Engineering, City University of Hong Kong, Hong Kong SAR, China;3. City University of Hong Kong Shenzhen Research Institute, Shenzhen, China;4. Healthy High Density Cities Lab, The University of Hong Kong, Hong Kong SAR, China |
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| Abstract: | Vegetation in green areas such as parks, gardens and allotment gardens provides suitable conditions for the development of parasitic insects, which can effectively reduce the population of plant pests feeding in this environment.The aim of the study was to determine the qualitative and quantitative structure of parasitoids of the Pimplinae subfamily (Hymenoptera, Ichneumonidae) inhabiting urban green areas and to determine the influence of anthropogenic pressure on the structures of these communities.The study was conducted between 2014 and 2016 at five sites in urban green areas in Poznań, which were exposed to low, medium or high anthropogenic pressure.In total 3096 samples were collected and 659 Pimplinae insects belonging to 51 species were caught. The largest population and the highest species diversity of the Pimplinae was noted at the Serbska (S) site, which was exposed to medium anthropogenic pressure. The smallest population and the lowest species diversity were observed at the Zoological Garden (ZG) site, which was exposed to heavy anthropogenic pressure.The research showed that the qualitative and quantitative structure of parasitoids of the Pimplinae subfamily depended on the degree of greenness in a particular area, its abundance in plant species, and the air pollution level.The research showed that the degree of anthropogenic pressure determined the similarity of the qualitative and quantitative structure of Pimplinae communities inhabiting urban green areas.The research showed that the species richness and the number of parasitoids of the Pimplinae subfamily in urban green areas were positively related with a well-developed and species-diverse plant cover with an abundance of shrub plants.Therefore, a floristically diverse urban environment may increase the species abundance of parasitoids of the Ichneumonidae family, including the Pimplinae subfamily, which may effectively regulate the number of pests feeding on plants in this environment. |
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| Keywords: | Greenery Invertebrates Parasitoids Wasps Vegetation Wielkopolska |
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