Elevational and seasonal patterns of butterflies and hawkmoths in plant-pollinator networks in tropical rainforests of Mount Cameroon

Abstract Butterflies and moths are conspicuous flower visitors but their role in plant-pollinator interactions has rarely been quantified, especially in tropical rainforests. Moreover, we have virtually no knowledge of environmental factors affecting the role of lepidopterans in pollination networks...

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Autores principales:	Jan E. J. Mertens, Lucas Brisson, Štěpán Janeček, Yannick Klomberg, Vincent Maicher, Szabolcs Sáfián, Sylvain Delabye, Pavel Potocký, Ishmeal N. Kobe, Tomasz Pyrcz, Robert Tropek
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d4bac6d6021145bb8352039eb24e5255
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spelling	oai:doaj.org-article:d4bac6d6021145bb8352039eb24e52552021-12-02T14:49:34ZElevational and seasonal patterns of butterflies and hawkmoths in plant-pollinator networks in tropical rainforests of Mount Cameroon10.1038/s41598-021-89012-x2045-2322https://doaj.org/article/d4bac6d6021145bb8352039eb24e52552021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89012-xhttps://doaj.org/toc/2045-2322Abstract Butterflies and moths are conspicuous flower visitors but their role in plant-pollinator interactions has rarely been quantified, especially in tropical rainforests. Moreover, we have virtually no knowledge of environmental factors affecting the role of lepidopterans in pollination networks. We videorecorded flower-visiting butterflies and hawkmoths on 212 plant species (> 26,000 recorded hrs) along the complete elevational gradient of rainforests on Mount Cameroon in dry and wet seasons. Altogether, we recorded 734 flower visits by 80 butterfly and 27 hawkmoth species, representing only ~ 4% of all flower visits. Although lepidopterans visited flowers of only a third of the plant species, they appeared to be key visitors for several plants. Lepidopterans visited flowers most frequently at mid-elevations and dry season, mirroring their local elevational patterns of diversity. Characteristics of interaction networks showed no apparent elevational or seasonal patterns, probably because of the high specialisation of all networks. Significant non-linear changes of proboscis and forewing lengths were found along elevation. A positive relationship between the lengths of proboscis of hesperiid butterflies and tube of visited flowers was detected. Differences in floral preferences were found between sphingids and butterflies, revealing the importance of nectar production, floral size and shape for sphingids, and floral colour for butterflies. The revealed trait-matching and floral preferences confirmed their potential to drive floral evolution in tropical ecosystems.Jan E. J. MertensLucas BrissonŠtěpán JanečekYannick KlombergVincent MaicherSzabolcs SáfiánSylvain DelabyePavel PotockýIshmeal N. KobeTomasz PyrczRobert TropekNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jan E. J. Mertens Lucas Brisson Štěpán Janeček Yannick Klomberg Vincent Maicher Szabolcs Sáfián Sylvain Delabye Pavel Potocký Ishmeal N. Kobe Tomasz Pyrcz Robert Tropek Elevational and seasonal patterns of butterflies and hawkmoths in plant-pollinator networks in tropical rainforests of Mount Cameroon
description	Abstract Butterflies and moths are conspicuous flower visitors but their role in plant-pollinator interactions has rarely been quantified, especially in tropical rainforests. Moreover, we have virtually no knowledge of environmental factors affecting the role of lepidopterans in pollination networks. We videorecorded flower-visiting butterflies and hawkmoths on 212 plant species (> 26,000 recorded hrs) along the complete elevational gradient of rainforests on Mount Cameroon in dry and wet seasons. Altogether, we recorded 734 flower visits by 80 butterfly and 27 hawkmoth species, representing only ~ 4% of all flower visits. Although lepidopterans visited flowers of only a third of the plant species, they appeared to be key visitors for several plants. Lepidopterans visited flowers most frequently at mid-elevations and dry season, mirroring their local elevational patterns of diversity. Characteristics of interaction networks showed no apparent elevational or seasonal patterns, probably because of the high specialisation of all networks. Significant non-linear changes of proboscis and forewing lengths were found along elevation. A positive relationship between the lengths of proboscis of hesperiid butterflies and tube of visited flowers was detected. Differences in floral preferences were found between sphingids and butterflies, revealing the importance of nectar production, floral size and shape for sphingids, and floral colour for butterflies. The revealed trait-matching and floral preferences confirmed their potential to drive floral evolution in tropical ecosystems.
format	article
author	Jan E. J. Mertens Lucas Brisson Štěpán Janeček Yannick Klomberg Vincent Maicher Szabolcs Sáfián Sylvain Delabye Pavel Potocký Ishmeal N. Kobe Tomasz Pyrcz Robert Tropek
author_facet	Jan E. J. Mertens Lucas Brisson Štěpán Janeček Yannick Klomberg Vincent Maicher Szabolcs Sáfián Sylvain Delabye Pavel Potocký Ishmeal N. Kobe Tomasz Pyrcz Robert Tropek
author_sort	Jan E. J. Mertens
title	Elevational and seasonal patterns of butterflies and hawkmoths in plant-pollinator networks in tropical rainforests of Mount Cameroon
title_short	Elevational and seasonal patterns of butterflies and hawkmoths in plant-pollinator networks in tropical rainforests of Mount Cameroon
title_full	Elevational and seasonal patterns of butterflies and hawkmoths in plant-pollinator networks in tropical rainforests of Mount Cameroon
title_fullStr	Elevational and seasonal patterns of butterflies and hawkmoths in plant-pollinator networks in tropical rainforests of Mount Cameroon
title_full_unstemmed	Elevational and seasonal patterns of butterflies and hawkmoths in plant-pollinator networks in tropical rainforests of Mount Cameroon
title_sort	elevational and seasonal patterns of butterflies and hawkmoths in plant-pollinator networks in tropical rainforests of mount cameroon
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/d4bac6d6021145bb8352039eb24e5255
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Elevational and seasonal patterns of butterflies and hawkmoths in plant-pollinator networks in tropical rainforests of Mount Cameroon

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