Substrate marking by an invasive ladybeetle: seasonal changes in hydrocarbon composition and behavioral responses.

The multicolored Asian ladybeetle, Harmonia axyridis (Pallas), aggregates inside dwellings during the winter to survive the cold. Recent published reports have highlighted that overwintering individuals use hydrocarbon markings deposited on surfaces by conspecifics to orient toward aggregation sites...

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Autores principales:	Delphine Durieux, Bérénice Fassotte, Maryse Vanderplanck, Jean-Louis Deneubourg, Christophe Fischer, Georges Lognay, Eric Haubruge, François J Verheggen
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f56d4aafe78f45f1bc48cf70aab92ab9
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spelling	oai:doaj.org-article:f56d4aafe78f45f1bc48cf70aab92ab92021-11-18T07:50:33ZSubstrate marking by an invasive ladybeetle: seasonal changes in hydrocarbon composition and behavioral responses.1932-620310.1371/journal.pone.0061124https://doaj.org/article/f56d4aafe78f45f1bc48cf70aab92ab92013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23593406/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203The multicolored Asian ladybeetle, Harmonia axyridis (Pallas), aggregates inside dwellings during the winter to survive the cold. Recent published reports have highlighted that overwintering individuals use hydrocarbon markings deposited on surfaces by conspecifics to orient toward aggregation sites. In the current study, monthly GC-MS analyses revealed seasonal modifications in the chemical profile of substrate markings deposited by moving individuals. The markings of overwintering ladybeetles contained larger proportions of heptacosadiene, nonacosadiene, hentriacontadienes, and methyl-nonacosanes, along with a lower proportion of heptacosene and nonacosene. This finding suggests the importance of the unsaturated and/or branched hydrocarbons in the H. axyridis aggregation process. Subsequently, we conducted behavioral assays to test whether (1) there is seasonal variation in the behavioral response of H. axyridis individuals toward substrate markings deposited by conspecifics in the same physiological state and (2) the observed behavioral modification is due to a change in ladybeetle sensitivity and/or a change in the chemical composition of the substrate marking. The results indicate that overwintering individuals exhibit a stronger "following" response toward conspecific substrate markings. This behavior is linked to both the physiological state of ladybeetles and the specific chemical profile of the marking biomolecules deposited under overwintering conditions.Delphine DurieuxBérénice FassotteMaryse VanderplanckJean-Louis DeneubourgChristophe FischerGeorges LognayEric HaubrugeFrançois J VerheggenPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 4, p e61124 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Delphine Durieux Bérénice Fassotte Maryse Vanderplanck Jean-Louis Deneubourg Christophe Fischer Georges Lognay Eric Haubruge François J Verheggen Substrate marking by an invasive ladybeetle: seasonal changes in hydrocarbon composition and behavioral responses.
description	The multicolored Asian ladybeetle, Harmonia axyridis (Pallas), aggregates inside dwellings during the winter to survive the cold. Recent published reports have highlighted that overwintering individuals use hydrocarbon markings deposited on surfaces by conspecifics to orient toward aggregation sites. In the current study, monthly GC-MS analyses revealed seasonal modifications in the chemical profile of substrate markings deposited by moving individuals. The markings of overwintering ladybeetles contained larger proportions of heptacosadiene, nonacosadiene, hentriacontadienes, and methyl-nonacosanes, along with a lower proportion of heptacosene and nonacosene. This finding suggests the importance of the unsaturated and/or branched hydrocarbons in the H. axyridis aggregation process. Subsequently, we conducted behavioral assays to test whether (1) there is seasonal variation in the behavioral response of H. axyridis individuals toward substrate markings deposited by conspecifics in the same physiological state and (2) the observed behavioral modification is due to a change in ladybeetle sensitivity and/or a change in the chemical composition of the substrate marking. The results indicate that overwintering individuals exhibit a stronger "following" response toward conspecific substrate markings. This behavior is linked to both the physiological state of ladybeetles and the specific chemical profile of the marking biomolecules deposited under overwintering conditions.
format	article
author	Delphine Durieux Bérénice Fassotte Maryse Vanderplanck Jean-Louis Deneubourg Christophe Fischer Georges Lognay Eric Haubruge François J Verheggen
author_facet	Delphine Durieux Bérénice Fassotte Maryse Vanderplanck Jean-Louis Deneubourg Christophe Fischer Georges Lognay Eric Haubruge François J Verheggen
author_sort	Delphine Durieux
title	Substrate marking by an invasive ladybeetle: seasonal changes in hydrocarbon composition and behavioral responses.
title_short	Substrate marking by an invasive ladybeetle: seasonal changes in hydrocarbon composition and behavioral responses.
title_full	Substrate marking by an invasive ladybeetle: seasonal changes in hydrocarbon composition and behavioral responses.
title_fullStr	Substrate marking by an invasive ladybeetle: seasonal changes in hydrocarbon composition and behavioral responses.
title_full_unstemmed	Substrate marking by an invasive ladybeetle: seasonal changes in hydrocarbon composition and behavioral responses.
title_sort	substrate marking by an invasive ladybeetle: seasonal changes in hydrocarbon composition and behavioral responses.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/f56d4aafe78f45f1bc48cf70aab92ab9
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Substrate marking by an invasive ladybeetle: seasonal changes in hydrocarbon composition and behavioral responses.

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