Japanese beetles’ feeding on milkweed flowers may compromise efforts to restore monarch butterfly habitat

Abstract The eastern North American migratory population of monarch butterflies (Danaus plexippus) is in serious decline. Habitat restoration, including adding millions of host plants to compensate for loss of milkweed in US cropland, is a key part of the international conservation strategy to retur...

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Autores principales:	Adam M. Baker, Daniel A. Potter
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2bbeccff35eb43b09c04da4ff376af13
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spelling	oai:doaj.org-article:2bbeccff35eb43b09c04da4ff376af132021-12-02T11:41:25ZJapanese beetles’ feeding on milkweed flowers may compromise efforts to restore monarch butterfly habitat10.1038/s41598-018-30731-z2045-2322https://doaj.org/article/2bbeccff35eb43b09c04da4ff376af132018-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-30731-zhttps://doaj.org/toc/2045-2322Abstract The eastern North American migratory population of monarch butterflies (Danaus plexippus) is in serious decline. Habitat restoration, including adding millions of host plants to compensate for loss of milkweed in US cropland, is a key part of the international conservation strategy to return this iconic butterfly to sustainable status. We report here that Popillia japonica, a polyphagous, invasive beetle, aggregates and feeds on flowers of Asclepias syriaca, the monarch’s most important larval food plant, reducing fruiting and seed set by >90% and extensively damaging milkweed umbels in the field. The beetle’s ongoing incursion into the monarch’s key breeding grounds in the US Midwest is likely to limit pollination and outcrossing of wild and planted milkweeds, reducing their capacity to colonize new areas via seeds. Popillia japonica represents a previously undocumented threat to milkweeds that should be considered in models for monarch habitat restoration.Adam M. BakerDaniel A. PotterNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-6 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Adam M. Baker Daniel A. Potter Japanese beetles’ feeding on milkweed flowers may compromise efforts to restore monarch butterfly habitat
description	Abstract The eastern North American migratory population of monarch butterflies (Danaus plexippus) is in serious decline. Habitat restoration, including adding millions of host plants to compensate for loss of milkweed in US cropland, is a key part of the international conservation strategy to return this iconic butterfly to sustainable status. We report here that Popillia japonica, a polyphagous, invasive beetle, aggregates and feeds on flowers of Asclepias syriaca, the monarch’s most important larval food plant, reducing fruiting and seed set by >90% and extensively damaging milkweed umbels in the field. The beetle’s ongoing incursion into the monarch’s key breeding grounds in the US Midwest is likely to limit pollination and outcrossing of wild and planted milkweeds, reducing their capacity to colonize new areas via seeds. Popillia japonica represents a previously undocumented threat to milkweeds that should be considered in models for monarch habitat restoration.
format	article
author	Adam M. Baker Daniel A. Potter
author_facet	Adam M. Baker Daniel A. Potter
author_sort	Adam M. Baker
title	Japanese beetles’ feeding on milkweed flowers may compromise efforts to restore monarch butterfly habitat
title_short	Japanese beetles’ feeding on milkweed flowers may compromise efforts to restore monarch butterfly habitat
title_full	Japanese beetles’ feeding on milkweed flowers may compromise efforts to restore monarch butterfly habitat
title_fullStr	Japanese beetles’ feeding on milkweed flowers may compromise efforts to restore monarch butterfly habitat
title_full_unstemmed	Japanese beetles’ feeding on milkweed flowers may compromise efforts to restore monarch butterfly habitat
title_sort	japanese beetles’ feeding on milkweed flowers may compromise efforts to restore monarch butterfly habitat
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/2bbeccff35eb43b09c04da4ff376af13
work_keys_str_mv	AT adammbaker japanesebeetlesfeedingonmilkweedflowersmaycompromiseeffortstorestoremonarchbutterflyhabitat AT danielapotter japanesebeetlesfeedingonmilkweedflowersmaycompromiseeffortstorestoremonarchbutterflyhabitat
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Japanese beetles’ feeding on milkweed flowers may compromise efforts to restore monarch butterfly habitat

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