Is the double-spined bark beetle Ips duplicatus a new threat to Picea omorika in urban habitats?

Jozef Vakula, Milan Zúbrik, Juraj Galko, Andrej Gubka, Andrej Kunca, Christo Nikolov, Miroslav Saniga and Peter Zach
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Jozef Vakula: National Forest Centre, Forest Research Institute Zvolen, Forest Protection Service Centre, Banská Štiavnica, Slovakia
Milan Zúbrik: National Forest Centre, Forest Research Institute Zvolen, Forest Protection Service Centre, Banská Štiavnica, Slovakia
Juraj Galko: National Forest Centre, Forest Research Institute Zvolen, Forest Protection Service Centre, Banská Štiavnica, Slovakia
Andrej Gubka: National Forest Centre, Forest Research Institute Zvolen, Forest Protection Service Centre, Banská Štiavnica, Slovakia
Andrej Kunca: National Forest Centre, Forest Research Institute Zvolen, Forest Protection Service Centre, Banská Štiavnica, Slovakia
Christo Nikolov: National Forest Centre, Forest Research Institute Zvolen, Forest Protection Service Centre, Banská Štiavnica, Slovakia
Miroslav Saniga: Institute of Forest Ecology, Zvolen, Slovakia
Peter Zach: Institute of Forest Ecology, Zvolen, Slovakia

Plant Protection Science, 2021, vol. 57, issue 3, 248-251

Abstract: The double-spined bark beetle Ips duplicatus (Coleoptera: Curculionidae, Scolytinae) is an invasive forest pest having a broad range of coniferous hosts within Europe. We found this species to be also developing in the Serbian spruce Picea omorika. Ips duplicatus infested 14 (52%) of 27 P. omorika mature trees in an arboretum garden in northern Slovakia in Central Europe during the summer of 2019. Logs from the upper part of stems of P. omorika trees placed in eclectors in the laboratory, yielded a total of 179 individuals of three scolytine species, with prevalence of I. duplicatus. Our results show that I. duplicatus also colonized less likely host such as the Serbian spruce, causing threat to this ornamental tree and contributing to its mortality in urban habitats during hot and dry summer weather.

Keywords: Serbian spruce; invasive insect; tree health; urban forestry (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:57:y:2021:i:3:id:7-2021-pps

DOI: 10.17221/7/2021-PPS

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