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Thermal carry-over: lasting impacts of early life heat stress on morphology and flight performance in solitary bee Osmia bicornis.

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Title: Thermal carry-over: lasting impacts of early life heat stress on morphology and flight performance in solitary bee Osmia bicornis.
Authors: Gudowska, Agnieszka1 (AUTHOR) gudowska@isez.pan.krakow.pl, Tofilski, Adam2 (AUTHOR) rotofils@cyf-kr.edu.pl, Moroń, Dawid1 (AUTHOR) dawidmoron@protonmail.com, Vallejo-Marin, Mario (AUTHOR) mario.vallejo-marin@ebc.uu.se; mv9@stir.ac.uk, Nicvert, Lisa (AUTHOR) lisa.nicvert@fondationbiodiversite.fr, Brosnan, Sarah Frances (AUTHOR) sarah.brosnan@gmail.com
Source: Proceedings of the Royal Society B: Biological Sciences. 7/1/2026, Vol. 293 Issue 2074, p1-9. 9p.
Subjects: Morphology, Bees, Aerodynamics, Global warming, Physiological effects of temperature, Pollinators
Abstract: Climate warming is increasing the frequency and intensity of heatwaves, yet the lasting effects of short, extreme thermal events during development on pollinators remain poorly understood. Early life heat stress may generate persistent carry-over effects that influence adult morphology and performance, with consequences for fitness and ecosystem functioning. We experimentally tested how moderate and extreme developmental heatwaves affect adult morphology and flight performance in the red mason bee (Osmia bicornis), a key pollinator across its broad distribution and a model species for solitary bee research. Bees exposed to heat stress emerged with reduced body mass and wing size, with the strongest effects under extreme and prolonged heatwaves. Allometric analyses revealed that heat-stressed bees had systematically smaller wings for a given body mass. These morphological shifts translated into impaired flight performance, including reduced flight initiation, shorter flight distances and lower mean flight speeds under extreme heatwave conditions. In contrast, short moderate heatwaves slightly increased flight speed. Our results demonstrate that developmental heatwaves can induce persistent morphological and functional deficits in pollinators. As extreme thermal events become more frequent, such carry-over effects may reduce pollinator mobility, foraging efficiency and ecosystem service provision, underscoring the need to incorporate thermal extremes into predictions of pollinator resilience. [ABSTRACT FROM AUTHOR]
Copyright of Proceedings of the Royal Society B: Biological Sciences is the property of Royal Society and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 194976129
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Thermal carry-over: lasting impacts of early life heat stress on morphology and flight performance in solitary bee Osmia bicornis.
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  Data: <searchLink fieldCode="AR" term="%22Gudowska%2C+Agnieszka%22">Gudowska, Agnieszka</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> gudowska@isez.pan.krakow.pl</i><br /><searchLink fieldCode="AR" term="%22Tofilski%2C+Adam%22">Tofilski, Adam</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> rotofils@cyf-kr.edu.pl</i><br /><searchLink fieldCode="AR" term="%22Moroń%2C+Dawid%22">Moroń, Dawid</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> dawidmoron@protonmail.com</i><br /><searchLink fieldCode="AR" term="%22Vallejo-Marin%2C+Mario%22">Vallejo-Marin, Mario</searchLink> (AUTHOR)<i> mario.vallejo-marin@ebc.uu.se; mv9@stir.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Nicvert%2C+Lisa%22">Nicvert, Lisa</searchLink> (AUTHOR)<i> lisa.nicvert@fondationbiodiversite.fr</i><br /><searchLink fieldCode="AR" term="%22Brosnan%2C+Sarah+Frances%22">Brosnan, Sarah Frances</searchLink> (AUTHOR)<i> sarah.brosnan@gmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Proceedings+of+the+Royal+Society+B%3A+Biological+Sciences%22">Proceedings of the Royal Society B: Biological Sciences</searchLink>. 7/1/2026, Vol. 293 Issue 2074, p1-9. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Morphology%22">Morphology</searchLink><br /><searchLink fieldCode="DE" term="%22Bees%22">Bees</searchLink><br /><searchLink fieldCode="DE" term="%22Aerodynamics%22">Aerodynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Global+warming%22">Global warming</searchLink><br /><searchLink fieldCode="DE" term="%22Physiological+effects+of+temperature%22">Physiological effects of temperature</searchLink><br /><searchLink fieldCode="DE" term="%22Pollinators%22">Pollinators</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Climate warming is increasing the frequency and intensity of heatwaves, yet the lasting effects of short, extreme thermal events during development on pollinators remain poorly understood. Early life heat stress may generate persistent carry-over effects that influence adult morphology and performance, with consequences for fitness and ecosystem functioning. We experimentally tested how moderate and extreme developmental heatwaves affect adult morphology and flight performance in the red mason bee (Osmia bicornis), a key pollinator across its broad distribution and a model species for solitary bee research. Bees exposed to heat stress emerged with reduced body mass and wing size, with the strongest effects under extreme and prolonged heatwaves. Allometric analyses revealed that heat-stressed bees had systematically smaller wings for a given body mass. These morphological shifts translated into impaired flight performance, including reduced flight initiation, shorter flight distances and lower mean flight speeds under extreme heatwave conditions. In contrast, short moderate heatwaves slightly increased flight speed. Our results demonstrate that developmental heatwaves can induce persistent morphological and functional deficits in pollinators. As extreme thermal events become more frequent, such carry-over effects may reduce pollinator mobility, foraging efficiency and ecosystem service provision, underscoring the need to incorporate thermal extremes into predictions of pollinator resilience. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Proceedings of the Royal Society B: Biological Sciences is the property of Royal Society and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1098/rspb.2026.0069
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      – Code: eng
        Text: English
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        PageCount: 9
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      – SubjectFull: Morphology
        Type: general
      – SubjectFull: Bees
        Type: general
      – SubjectFull: Aerodynamics
        Type: general
      – SubjectFull: Global warming
        Type: general
      – SubjectFull: Physiological effects of temperature
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      – SubjectFull: Pollinators
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    Titles:
      – TitleFull: Thermal carry-over: lasting impacts of early life heat stress on morphology and flight performance in solitary bee Osmia bicornis.
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            NameFull: Gudowska, Agnieszka
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            NameFull: Tofilski, Adam
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            NameFull: Vallejo-Marin, Mario
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            NameFull: Nicvert, Lisa
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            – D: 01
              M: 07
              Text: 7/1/2026
              Type: published
              Y: 2026
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              Value: 293
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              Value: 2074
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            – TitleFull: Proceedings of the Royal Society B: Biological Sciences
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