Observations on the occurrence and phenology of the invasive elm defoliator Aproceros leucopoda (Hymenoptera: Argidae) in the Czech Republic |
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| Institution: | 1. Department of Forest Protection and Entomology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Kamýcká 129, CZ-16521 Prague 6–Suchdol, Czechia;2. Department of Entomology, National Museum, Natural History Museum, Cirkusová 1740, CZ-193 00 Praha 9 − Horní Počernice, Czechia;1. Research Applications Laboratory, National Center for Atmospheric Research, Boulder, CO, USA;2. Department of Geology & Geography, Georgia Southern University, Statesboro, GA, USA;3. Department of Catchment Hydrology, Helmholtz Centre for Environmental Research − UFZ, Leipzig, Germany;4. Savannah River Ecology Laboratory, University of Georgia, Aiken, SC, USA;5. Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA;6. Civil and Environmental Engineering, University of Washington, Seattle, WA, USA;1. Natural Resources Canada, Canadian Forest Service, Canadian Wood Fibre Centre, 1219 Queen St. E., Sault Ste. Marie, ON P6A 2E5, Canada;2. Faculty of Natural Resources Management, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7J 1B4, Canada;3. Ontario Forest Research Institute, Ontario Ministry of Natural Resources, 1235 Queen St. E., Sault Ste. Marie, ON P6A 2E5, Canada;4. Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, 1055 du P.E.P.S., POB 10380, Stn. Ste-Foy, Quebec, QC G1V 4C7, Canada;1. Department of Molecular Biology and Genetics, Faculty of Science, Cumhuriyet University, Sivas 58140, Turkey;2. Department of Molecular Biology and Genetics, Faculty of Science & Literature, Gaziosmanpaşa University, Tokat 60250, Turkey;3. Department of Biology, Faculty of Science, Cumhuriyet University, Sivas 58140, Turkey;1. Oceanography Department, Naval Postgraduate School, Monterey, CA 93943, United States;2. Delft University of Technology, Delft, The Netherlands;3. Rosentiel School of Marine and Atmospheric Science, University of Miami, Miami, FL 33149, United States |
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| Abstract: | Aproceros leucopoda has been found at nine locations in urban areas and in forests in the Czech Republic. Aproceros leucopoda was first reported at a location 700 m a.s.l. in the northern part of the country in 2011. The other locations range in elevation from 150 to 460 m a.s.l. In the current study, A. leucopoda was studied in four plots, where larvae and their zigzag feeding tracks were observed on 10 Ulmus trees located south of Lanžhot (southeastern Czech Republic) in 2014 and 2015. In 2014, feeding tracks and larvae were detected in late May, from 22 June to 13 July, and from 9 August to 6 September, suggesting the occurrence of three generations per year in the southeastern Czech Republic. The southern Czech Republic has been colonized much earlier than other parts of the country because of its proximity to localities with A. leucopoda in Slovakia and Austria. The presence of larvae or evidence of larval feeding was detected on only 2.84% of monitored leaves. We suggest that A. leucopoda endangers solitary elms in urban greening areas more than elms in forests. |
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| Keywords: | Central Europe Generations Pest Sawfly |
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