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
Formato:	article
Lenguaje:	EN
Publicado:	Institute of Entomology, Biology Centre, Czech Academy of Science 2021
Materias:	chrysomelidae gastrophysa viridula green dock beetle abundance decline herbivore control of rumex czech republic Zoology QL1-991
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
work_keys_str_mv	AT zdenkamartinkova gastrophysaviridulacoleopterachrysomelidaeintheczechrepublicdeclineinaonceabundantinvasiveoligophagousconsumerofrumex AT aloishonek gastrophysaviridulacoleopterachrysomelidaeintheczechrepublicdeclineinaonceabundantinvasiveoligophagousconsumerofrumex AT pavelsaska gastrophysaviridulacoleopterachrysomelidaeintheczechrepublicdeclineinaonceabundantinvasiveoligophagousconsumerofrumex
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Gastrophysa viridula (Coleoptera: Chrysomelidae) in the Czech Republic: Decline in a once abundant invasive oligophagous consumer of Rumex

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