Rapid evolution of a Batesian mimicry trait in a butterfly responding to arrival of a new model

Abstract Batesian mimicry, a phenomenon in which harmless organisms resemble harmful or unpalatable species, has been extensively studied in evolutionary biology. Model species may differ from population to population of a single mimetic species, so different predation pressures might have driven mi...

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Autores principales:	Mitsuho Katoh, Haruki Tatsuta, Kazuki Tsuji
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e8f28c040ef6486abf7bad5a52a3700f
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spelling	oai:doaj.org-article:e8f28c040ef6486abf7bad5a52a3700f2021-12-02T16:08:01ZRapid evolution of a Batesian mimicry trait in a butterfly responding to arrival of a new model10.1038/s41598-017-06376-92045-2322https://doaj.org/article/e8f28c040ef6486abf7bad5a52a3700f2017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-06376-9https://doaj.org/toc/2045-2322Abstract Batesian mimicry, a phenomenon in which harmless organisms resemble harmful or unpalatable species, has been extensively studied in evolutionary biology. Model species may differ from population to population of a single mimetic species, so different predation pressures might have driven micro-evolution towards better mimicry among regions. However, there is scant direct evidence of micro-evolutionary change over time in mimicry traits. Papilio polytes shows female-limited Batesian mimicry. On Okinawa, one mimicry model is Pachliopta aristolochiae, which was not present on the island until 1993. In P. polytes, the size of the hind-wing white spot, a mimetic trait, is maternally heritable. Among specimens collected between 1961 and 2016, the average white spot size was unchanged before the model’s arrival but has rapidly increased since then. However, white spot size showed greater variance after the model’s establishment than before. This suggests that before 1993, white spot size in this population was not selectively neutral but was an adaptive trait for mimicking an unpalatable native, Byasa alcinous, which looks like P. aristolochiae apart from the latter’s hind-wing white spot. Thus, some females switched their model to the new one after its arrival.Mitsuho KatohHaruki TatsutaKazuki TsujiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mitsuho Katoh Haruki Tatsuta Kazuki Tsuji Rapid evolution of a Batesian mimicry trait in a butterfly responding to arrival of a new model
description	Abstract Batesian mimicry, a phenomenon in which harmless organisms resemble harmful or unpalatable species, has been extensively studied in evolutionary biology. Model species may differ from population to population of a single mimetic species, so different predation pressures might have driven micro-evolution towards better mimicry among regions. However, there is scant direct evidence of micro-evolutionary change over time in mimicry traits. Papilio polytes shows female-limited Batesian mimicry. On Okinawa, one mimicry model is Pachliopta aristolochiae, which was not present on the island until 1993. In P. polytes, the size of the hind-wing white spot, a mimetic trait, is maternally heritable. Among specimens collected between 1961 and 2016, the average white spot size was unchanged before the model’s arrival but has rapidly increased since then. However, white spot size showed greater variance after the model’s establishment than before. This suggests that before 1993, white spot size in this population was not selectively neutral but was an adaptive trait for mimicking an unpalatable native, Byasa alcinous, which looks like P. aristolochiae apart from the latter’s hind-wing white spot. Thus, some females switched their model to the new one after its arrival.
format	article
author	Mitsuho Katoh Haruki Tatsuta Kazuki Tsuji
author_facet	Mitsuho Katoh Haruki Tatsuta Kazuki Tsuji
author_sort	Mitsuho Katoh
title	Rapid evolution of a Batesian mimicry trait in a butterfly responding to arrival of a new model
title_short	Rapid evolution of a Batesian mimicry trait in a butterfly responding to arrival of a new model
title_full	Rapid evolution of a Batesian mimicry trait in a butterfly responding to arrival of a new model
title_fullStr	Rapid evolution of a Batesian mimicry trait in a butterfly responding to arrival of a new model
title_full_unstemmed	Rapid evolution of a Batesian mimicry trait in a butterfly responding to arrival of a new model
title_sort	rapid evolution of a batesian mimicry trait in a butterfly responding to arrival of a new model
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/e8f28c040ef6486abf7bad5a52a3700f
work_keys_str_mv	AT mitsuhokatoh rapidevolutionofabatesianmimicrytraitinabutterflyrespondingtoarrivalofanewmodel AT harukitatsuta rapidevolutionofabatesianmimicrytraitinabutterflyrespondingtoarrivalofanewmodel AT kazukitsuji rapidevolutionofabatesianmimicrytraitinabutterflyrespondingtoarrivalofanewmodel
_version_	1718384689686773760

Rapid evolution of a Batesian mimicry trait in a butterfly responding to arrival of a new model

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