A single hot event that does not affect survival but decreases reproduction in the diamondback moth, Plutella xylostella.

Extremely hot events (usually involving a few hours at extreme high temperatures in summer) are expected to increase in frequency in temperate regions under global warming. The impact of these events is generally overlooked in insect population prediction, since they are unlikely to cause widespread...

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Autores principales:	Wei Zhang, Fei Zhao, Ary A Hoffmann, Chun-Sen Ma
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fddc2d0b14454ec88c277316105070e5
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spelling	oai:doaj.org-article:fddc2d0b14454ec88c277316105070e52021-11-18T08:52:00ZA single hot event that does not affect survival but decreases reproduction in the diamondback moth, Plutella xylostella.1932-620310.1371/journal.pone.0075923https://doaj.org/article/fddc2d0b14454ec88c277316105070e52013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24116081/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Extremely hot events (usually involving a few hours at extreme high temperatures in summer) are expected to increase in frequency in temperate regions under global warming. The impact of these events is generally overlooked in insect population prediction, since they are unlikely to cause widespread mortality, however reproduction may be affected by them. In this study, we examined such stress effects in the diamondback moth, Plutella xylostella. We simulated a single extreme hot day (maximum of 40°C lasting for 3, 4 or 5 h) increasingly experienced under field conditions. This event had no detrimental effects on immediate mortality, copulation duration, mating success, longevity or lifetime fecundity, but stressed females produced 21% (after 3 or 4 h) fewer hatched eggs because of a decline in the number and hatching success of eggs laid on the first two days. These negative effects on reproduction were no longer evident in the following days. Male heat exposure led to a similar but smaller effect on fertile egg production, and exposure extended pre-mating period in both sexes. Our results indicate that a single hot day can have detrimental effects on reproduction, particularly through maternal effects on egg hatching, and thereby influence the population dynamics of diamondback moth.Wei ZhangFei ZhaoAry A HoffmannChun-Sen MaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 10, p e75923 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Wei Zhang Fei Zhao Ary A Hoffmann Chun-Sen Ma A single hot event that does not affect survival but decreases reproduction in the diamondback moth, Plutella xylostella.
description	Extremely hot events (usually involving a few hours at extreme high temperatures in summer) are expected to increase in frequency in temperate regions under global warming. The impact of these events is generally overlooked in insect population prediction, since they are unlikely to cause widespread mortality, however reproduction may be affected by them. In this study, we examined such stress effects in the diamondback moth, Plutella xylostella. We simulated a single extreme hot day (maximum of 40°C lasting for 3, 4 or 5 h) increasingly experienced under field conditions. This event had no detrimental effects on immediate mortality, copulation duration, mating success, longevity or lifetime fecundity, but stressed females produced 21% (after 3 or 4 h) fewer hatched eggs because of a decline in the number and hatching success of eggs laid on the first two days. These negative effects on reproduction were no longer evident in the following days. Male heat exposure led to a similar but smaller effect on fertile egg production, and exposure extended pre-mating period in both sexes. Our results indicate that a single hot day can have detrimental effects on reproduction, particularly through maternal effects on egg hatching, and thereby influence the population dynamics of diamondback moth.
format	article
author	Wei Zhang Fei Zhao Ary A Hoffmann Chun-Sen Ma
author_facet	Wei Zhang Fei Zhao Ary A Hoffmann Chun-Sen Ma
author_sort	Wei Zhang
title	A single hot event that does not affect survival but decreases reproduction in the diamondback moth, Plutella xylostella.
title_short	A single hot event that does not affect survival but decreases reproduction in the diamondback moth, Plutella xylostella.
title_full	A single hot event that does not affect survival but decreases reproduction in the diamondback moth, Plutella xylostella.
title_fullStr	A single hot event that does not affect survival but decreases reproduction in the diamondback moth, Plutella xylostella.
title_full_unstemmed	A single hot event that does not affect survival but decreases reproduction in the diamondback moth, Plutella xylostella.
title_sort	single hot event that does not affect survival but decreases reproduction in the diamondback moth, plutella xylostella.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/fddc2d0b14454ec88c277316105070e5
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A single hot event that does not affect survival but decreases reproduction in the diamondback moth, Plutella xylostella.

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