Gastrophysa viridula (Coleoptera: Chrysomelidae) in the Czech Republic: Decline in a once abundant invasive oligophagous consumer of Rumex

While the progress of the spread of invasive species of insects in new geographical areas are usually intensively monitored, the decline of these species often escape attention and is poorly documented. In this study, we record the decline in abundance of Gastrophysa viridula (DeGeer), an invasive o...

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Autores principales: Zdenka MARTINKOVA, Alois HONEK, Pavel SASKA
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Publicado: Institute of Entomology, Biology Centre, Czech Academy of Science 2021
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Acceso en línea:https://doaj.org/article/5757a652ef184a4393369486aa46fbec
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spelling oai:doaj.org-article:5757a652ef184a4393369486aa46fbec2021-11-05T15:23:15ZGastrophysa viridula (Coleoptera: Chrysomelidae) in the Czech Republic: Decline in a once abundant invasive oligophagous consumer of Rumex1210-57591802-882910.14411/eje.2021.026https://doaj.org/article/5757a652ef184a4393369486aa46fbec2021-09-01T00:00:00Zhttps://www.eje.cz/artkey/eje-202101-0026_gastrophysa_viridula_coleoptera_chrysomelidae_in_the_czech_republic_decline_in_a_once_abundant_invasive_oli.phphttps://doaj.org/toc/1210-5759https://doaj.org/toc/1802-8829While the progress of the spread of invasive species of insects in new geographical areas are usually intensively monitored, the decline of these species often escape attention and is poorly documented. In this study, we record the decline in abundance of Gastrophysa viridula (DeGeer), an invasive oligophagous consumer of dock (Rumex spp.). This species originally inhabited Alpine regions. In the late 1800s, G. viridula was recorded in montane areas in the Czech Republic and then throughout this country. Gastrophysa viridula was very abundant in 1995-1999, when we found it in all of the 177 stands of R. obtusifolius inspected in western Czech Republic. In a repeated study of its occurrence in the same area from 2019-2020, this species was present in < 30% of 434 of the stands inspected and was only abundant (≥ 55% of plants in the stand infested by G. viridula) in < 4% of these stands. Thus the local occurrence and abundance of G. viridula had decreased significantly. Of the possible reasons for this decline the most probable are the effect of climate warming on host plant seasonality, changes in agricultural use of grasslands and fragmentation of large stands of dock.Zdenka MARTINKOVAAlois HONEKPavel SASKAInstitute of Entomology, Biology Centre, Czech Academy of Sciencearticlechrysomelidaegastrophysa viridulagreen dock beetleabundancedeclineherbivorecontrol of rumexczech republicZoologyQL1-991ENEuropean Journal of Entomology, Vol 118, Iss 1, Pp 250-254 (2021)
institution DOAJ
collection DOAJ
language EN
topic chrysomelidae
gastrophysa viridula
green dock beetle
abundance
decline
herbivore
control of rumex
czech republic
Zoology
QL1-991
spellingShingle chrysomelidae
gastrophysa viridula
green dock beetle
abundance
decline
herbivore
control of rumex
czech republic
Zoology
QL1-991
Zdenka MARTINKOVA
Alois HONEK
Pavel SASKA
Gastrophysa viridula (Coleoptera: Chrysomelidae) in the Czech Republic: Decline in a once abundant invasive oligophagous consumer of Rumex
description While the progress of the spread of invasive species of insects in new geographical areas are usually intensively monitored, the decline of these species often escape attention and is poorly documented. In this study, we record the decline in abundance of Gastrophysa viridula (DeGeer), an invasive oligophagous consumer of dock (Rumex spp.). This species originally inhabited Alpine regions. In the late 1800s, G. viridula was recorded in montane areas in the Czech Republic and then throughout this country. Gastrophysa viridula was very abundant in 1995-1999, when we found it in all of the 177 stands of R. obtusifolius inspected in western Czech Republic. In a repeated study of its occurrence in the same area from 2019-2020, this species was present in < 30% of 434 of the stands inspected and was only abundant (≥ 55% of plants in the stand infested by G. viridula) in < 4% of these stands. Thus the local occurrence and abundance of G. viridula had decreased significantly. Of the possible reasons for this decline the most probable are the effect of climate warming on host plant seasonality, changes in agricultural use of grasslands and fragmentation of large stands of dock.
format article
author Zdenka MARTINKOVA
Alois HONEK
Pavel SASKA
author_facet Zdenka MARTINKOVA
Alois HONEK
Pavel SASKA
author_sort Zdenka MARTINKOVA
title Gastrophysa viridula (Coleoptera: Chrysomelidae) in the Czech Republic: Decline in a once abundant invasive oligophagous consumer of Rumex
title_short Gastrophysa viridula (Coleoptera: Chrysomelidae) in the Czech Republic: Decline in a once abundant invasive oligophagous consumer of Rumex
title_full Gastrophysa viridula (Coleoptera: Chrysomelidae) in the Czech Republic: Decline in a once abundant invasive oligophagous consumer of Rumex
title_fullStr Gastrophysa viridula (Coleoptera: Chrysomelidae) in the Czech Republic: Decline in a once abundant invasive oligophagous consumer of Rumex
title_full_unstemmed Gastrophysa viridula (Coleoptera: Chrysomelidae) in the Czech Republic: Decline in a once abundant invasive oligophagous consumer of Rumex
title_sort gastrophysa viridula (coleoptera: chrysomelidae) in the czech republic: decline in a once abundant invasive oligophagous consumer of rumex
publisher Institute of Entomology, Biology Centre, Czech Academy of Science
publishDate 2021
url https://doaj.org/article/5757a652ef184a4393369486aa46fbec
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AT aloishonek gastrophysaviridulacoleopterachrysomelidaeintheczechrepublicdeclineinaonceabundantinvasiveoligophagousconsumerofrumex
AT pavelsaska gastrophysaviridulacoleopterachrysomelidaeintheczechrepublicdeclineinaonceabundantinvasiveoligophagousconsumerofrumex
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