Cited by 30Physiological and biochemical adaptationsInsect and Arachnid Ecology and BehaviorPlant and animal studies

Influence of Winter Temperature and Simulated Climate Change on Body Mass and Fat Body Depletion During Diapause in Adults of the Solitary Bee, Osmia rufa (Hymenoptera: Megachilidae)

Fliszkiewicz, Monika, Giejdasz, Karol, Wasielewski, Oskar, Krishnan, Natraj·2012·Environmental Entomology

Abstract

The influence of simulated climate change on body weight and depletion of fat body reserves was studied during diapause in the European solitary bee Osmia rufa L. (Hymenoptera: Megachilidae). Insects (females) were reared and collected from outdoor nests from September to March. One cohort of females was weighed and dissected immediately for analyses, whereas another cohort was subjected to simulated warmer temperature (15°C for 7 d) before analyses. A gradual decline in body mass and fat body content was recorded with declining temperatures from September to January in female bees from natural conditions. Temperature increased gradually from January to March with a further decline in body mass and fat body content. The fat body development index dropped from five in September-October (≈ 89% individuals) to four for the period from November to February (≈ 84% individuals) and further to three in March (95% individuals) before emergence. Simulated warmer winter temperature also resulted in a similar decline in body weight and fat body content; however, body weight and fat body content declined faster. The fat body development index dropped to three in December in the majority of individuals and continued at this level until March just before emergence. Taken together, our data indicate an earlier depletion of fat body reserves under simulated climate change conditions that may impact ovarian development and reproductive fitness in O. rufa.

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Crossref · 10.1603/en12004

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Authors
Fliszkiewicz, M., Giejdasz, K., Wasielewski, O., & Krishnan, N.
Affiliations
Poznań University of Life Sciences (PL)
Corresponding author
Wasielewski, Oskar
Venue
Environmental Entomology
Published
2012-12-01
Volume
41
Issue
6
Pages
1621-1630
ISSN
0046-225X (ISSN-L)
OpenAlex
W2055307719
Cited by
30
References
29
Citations by year
2026: 1 · 2025: 7 · 2024: 6 · 2023: 3 · 2021: 5 · 2020: 1 · 2018: 1 · 2017: 3 · 2016: 1 · 2014: 2
FWCI
0.56
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Entomology (publishedVersion)
  • PubMed (publishedVersion)
  • BioOne Complete (BioOne) (submittedVersion)
Funders
National Science Foundation
Topics
  • Physical Sciences › Environmental Science › Ecology › Physiological and biochemical adaptations
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Insect and Arachnid Ecology and Behavior
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Plant and animal studies
Keywords
Osmia rufa, solitary bees, winter temperature, climate change, diapause, body mass, experimental warming, ovarian development, reproductive fitness, Megachilidae
MeSH terms
Animals, Bees, Fat Body, Female, Seasons, Temperature, Body Size, Climate Change

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