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

PloS one, 2013-10, Vol.8 (10), p.e75923 [Peer Reviewed Journal]

COPYRIGHT 2013 Public Library of Science ;COPYRIGHT 2013 Public Library of Science ;2013 Zhang et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License: https://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;2013 Zhang et al 2013 Zhang et al ;ISSN: 1932-6203 ;EISSN: 1932-6203 ;DOI: 10.1371/journal.pone.0075923 ;PMID: 24116081

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Title:
A single hot event that does not affect survival but decreases reproduction in the diamondback moth, Plutella xylostella
Author: Zhang, Wei ; Zhao, Fei ; Hoffmann, Ary A ; Ma, Chun-Sen
Srygley, Robert B.
Subjects: Adults ; Agricultural production ; Animals ; Biology ; Brassica ; Climate change ; Copulation ; Drosophila ; Drosophila melanogaster ; Egg industry ; Egg production ; Eggs ; Exposure ; Extreme high temperatures ; Fecundity ; Female ; Females ; Fertility - physiology ; Gene expression ; Global warming ; Hatching ; Health aspects ; Heat ; High temperature ; High temperatures ; Hot Temperature ; Insects ; Laboratories ; Longevity - physiology ; Male ; Maternal effects ; Mating ; Mortality ; Moths - physiology ; Oviposition - physiology ; Plant diseases ; Plutella xylostella ; Population ; Population biology ; Reproduction ; Reproduction - physiology ; Survival ; Temperature effects
Is Part Of: PloS one, 2013-10, Vol.8 (10), p.e75923
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.
Publisher: United States: Public Library of Science
Language: English
Identifier: ISSN: 1932-6203
EISSN: 1932-6203
DOI: 10.1371/journal.pone.0075923
PMID: 24116081
Source: Geneva Foundation Free Medical Journals at publisher websites
AUTh Library subscriptions: ProQuest Central
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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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